/* =============================================
   TeknoYönetim - Professional Mobile-First CSS
   Corporate Blue Theme with Glassmorphism
   ============================================= */

:root {
    /* Primary Palette - Corporate Blue */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-darker: #1e40af;
    --primary-light: #60a5fa;
    --primary-lighter: #93c5fd;
    --primary-bg: #eff6ff;
    --primary-bg-alt: #dbeafe;
    --secondary: #0f172a;

    /* Accent Colors */
    --accent-pink: #ec4899;
    --accent-indigo: #6366f1;
    --accent-cyan: #06b6d4;

    /* Status Colors */
    --success: #10b981;
    --success-light: #34d399;
    --success-bg: #ecfdf5;
    --danger: #ef4444;
    --danger-light: #f87171;
    --danger-bg: #fef2f2;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --warning-bg: #fffbeb;
    --info: #3b82f6;
    --info-light: #60a5fa;
    --info-bg: #eff6ff;

    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Radius */
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 20px;
    --radius-xl: 24px;

    /* Shadows - Multi-layered for depth */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.15);
    --shadow-purple: 0 4px 14px rgba(37, 99, 235, 0.25);
    --shadow-purple-lg: 0 8px 25px rgba(37, 99, 235, 0.3);
    --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.04);

    /* Glass */
    --glass-bg: rgba(255,255,255,0.72);
    --glass-border: rgba(255,255,255,0.3);
    --glass-blur: 16px;

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 85px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle background pattern */
body:not(.login-body)::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(180deg, var(--primary-bg) 0%, transparent 100%);
    pointer-events: none;
    z-index: -1;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, select, textarea { font: inherit; }

/* Selection color */
::selection {
    background: var(--primary-lighter);
    color: var(--primary-darker);
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* =============================================
   TOP BAR - Premium Glass Header
   ============================================= */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 40%, #1e40af 100%);
    color: #fff;
    height: 64px;
    safe-area-inset-top: env(safe-area-inset-top);
}

.top-bar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
}

.top-bar-center {
    flex: 1;
    text-align: center;
}

.page-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    border: 1.5px solid rgba(255,255,255,0.2);
    transition: var(--transition);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-role {
    font-size: 0.7rem;
    opacity: 0.75;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
}

.btn-icon:active {
    background: rgba(255,255,255,0.15);
    transform: scale(0.92);
}

.notification-btn {
    position: relative;
}

.badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 800;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.4);
    border: 2px solid var(--primary);
    animation: badgePulse 2s ease infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* =============================================
   MAIN CONTENT
   ============================================= */
.main-content {
    padding: 76px 16px 20px;
    animation: contentFadeIn 0.3s ease;
}

@keyframes contentFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   BOTTOM NAV - Premium Glass Navigation
   ============================================= */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: flex-end;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0,0,0,0.06);
    padding: 4px 4px;
    padding-bottom: max(4px, env(safe-area-inset-bottom));
    box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 0 6px;
    font-size: 0.62rem;
    font-weight: 500;
    color: var(--gray-400);
    transition: var(--transition);
    gap: 3px;
    border-radius: 12px;
    position: relative;
    letter-spacing: 0.02em;
}

.nav-item i {
    font-size: 1.15rem;
    transition: var(--transition);
}

.nav-item.active {
    color: var(--primary);
    font-weight: 700;
}

.nav-item.active i {
    transform: scale(1.1);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 0 0 3px 3px;
}

.nav-item:active {
    transform: scale(0.92);
    background: var(--primary-bg);
}

/* Center FAB Button */
.nav-fab-center {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.4rem;
    margin: 0 4px;
    margin-top: -22px;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35), 0 0 0 4px rgba(37, 99, 235, 0.1);
    transition: var(--transition-bounce);
    flex-shrink: 0;
}

.nav-fab-center:active {
    transform: scale(0.9);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

/* =============================================
   WELCOME CARD - Premium Gradient
   ============================================= */
.welcome-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 50%, #1e40af 100%);
    border-radius: var(--radius-lg);
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-purple-lg);
}

.welcome-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.welcome-card::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -10%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.welcome-text {
    position: relative;
    z-index: 1;
}

.welcome-text h2 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.welcome-text p {
    font-size: 0.78rem;
    opacity: 0.8;
    margin-top: 2px;
}

.welcome-date {
    font-size: 0.78rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    z-index: 1;
    background: rgba(255,255,255,0.12);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(4px);
}

/* =============================================
   STATS GRID - Refined Cards
   ============================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.03);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
}

.stat-blue::before { background: linear-gradient(90deg, var(--info), var(--info-light)); }
.stat-green::before { background: linear-gradient(90deg, var(--success), var(--success-light)); }
.stat-orange::before { background: linear-gradient(90deg, var(--warning), var(--warning-light)); }
.stat-purple::before { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }

.stat-card:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    position: relative;
}

.stat-blue .stat-icon { background: linear-gradient(135deg, #eff6ff, #dbeafe); color: var(--info); }
.stat-green .stat-icon { background: linear-gradient(135deg, #ecfdf5, #d1fae5); color: var(--success); }
.stat-orange .stat-icon { background: linear-gradient(135deg, #fffbeb, #fef3c7); color: var(--warning); }
.stat-purple .stat-icon { background: linear-gradient(135deg, #eff6ff, #dbeafe); color: var(--primary); }

.stat-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.stat-value {
    font-size: 1rem;
    font-weight: 800;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.72rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* =============================================
   ALERTS - Enhanced
   ============================================= */
.alert {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.84rem;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

.alert a {
    margin-left: auto;
    font-weight: 700;
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    transition: var(--transition);
}

.alert-warning {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    color: #92400e;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-warning a { background: rgba(245, 158, 11, 0.15); }
.alert-warning a:active { background: rgba(245, 158, 11, 0.25); }

.alert-success { background: linear-gradient(135deg, #ecfdf5, #d1fae5); color: #065f46; border: 1px solid rgba(16, 185, 129, 0.2); }
.alert-danger { background: linear-gradient(135deg, #fef2f2, #fee2e2); color: #991b1b; border: 1px solid rgba(239, 68, 68, 0.2); }
.alert-info { background: linear-gradient(135deg, #eff6ff, #dbeafe); color: #1e40af; border: 1px solid rgba(59, 130, 246, 0.2); }

/* =============================================
   SECTION TITLE - Refined
   ============================================= */
.section-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 14px;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
    border-radius: 2px;
}

/* =============================================
   MODULE GRID (Ana Sayfa Kartları) - Premium
   ============================================= */
.module-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 28px;
}

.module-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px 12px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.03);
}

.module-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    opacity: 0;
    background: linear-gradient(135deg, rgba(37,99,235,0.04), rgba(99,102,241,0.04));
    transition: var(--transition);
}

.module-card:active {
    transform: scale(0.94) translateY(2px);
    box-shadow: var(--shadow-lg);
}

.module-card:active::after {
    opacity: 1;
}

.module-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.module-red { background: linear-gradient(135deg, #f87171, #ef4444); box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3); }
.module-green { background: linear-gradient(135deg, #34d399, #10b981); box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3); }
.module-blue { background: linear-gradient(135deg, #60a5fa, #3b82f6); box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3); }
.module-purple { background: linear-gradient(135deg, #60a5fa, #2563eb); box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3); }
.module-teal { background: linear-gradient(135deg, #2dd4bf, #14b8a6); box-shadow: 0 4px 12px rgba(20, 184, 166, 0.3); }
.module-yellow { background: linear-gradient(135deg, #fbbf24, #f59e0b); box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3); }

.module-name {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--gray-700);
    text-align: center;
    position: relative;
    z-index: 1;
    letter-spacing: -0.01em;
}

/* =============================================
   MODULE GRID 2-COL (Dashboard Büyük Kartlar)
   ============================================= */
.module-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 28px;
}

.module-card-lg {
    background: #fff;
    border-radius: 18px;
    padding: 22px 16px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.04);
}

.module-card-lg:active {
    transform: scale(0.96) translateY(2px);
    box-shadow: var(--shadow-lg);
}

.module-icon-lg {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    transition: var(--transition);
}

.module-name-lg {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-700);
    text-align: center;
    letter-spacing: -0.01em;
}

/* Module icon color variants */
.icon-red { background: linear-gradient(135deg, #f87171, #ef4444); box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3); }
.icon-green { background: linear-gradient(135deg, #34d399, #10b981); box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3); }
.icon-blue { background: linear-gradient(135deg, #60a5fa, #3b82f6); box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3); }
.icon-cyan { background: linear-gradient(135deg, #22d3ee, #06b6d4); box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3); }
.icon-purple { background: linear-gradient(135deg, #a78bfa, #8b5cf6); box-shadow: 0 4px 14px rgba(139, 92, 246, 0.3); }
.icon-pink { background: linear-gradient(135deg, #f472b6, #ec4899); box-shadow: 0 4px 14px rgba(236, 72, 153, 0.3); }
.icon-orange { background: linear-gradient(135deg, #fbbf24, #f59e0b); box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3); }
.icon-teal { background: linear-gradient(135deg, #2dd4bf, #14b8a6); box-shadow: 0 4px 14px rgba(20, 184, 166, 0.3); }

/* =============================================
   QUICK ACTIONS - Polished
   ============================================= */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 28px;
}

.quick-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    background: #fff;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.quick-btn i {
    color: var(--primary);
    font-size: 0.9rem;
}

.quick-btn:active {
    background: var(--primary-bg);
    border-color: var(--primary-light);
    transform: scale(0.97);
}

/* =============================================
   BRAND GRID - Enhanced Cards
   ============================================= */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.brand-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px 16px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-bounce);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
}

.brand-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(180deg, var(--primary-bg) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.brand-card:active {
    transform: scale(0.96);
    box-shadow: var(--shadow-lg);
}

.brand-card:active::before {
    opacity: 1;
}

.brand-logo {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.brand-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.06));
}

.brand-logo .brand-initial {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary-bg), var(--primary-bg-alt));
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: var(--shadow-inner);
    border: 2px solid rgba(124,58,237,0.08);
}

.brand-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gray-700);
    position: relative;
    z-index: 1;
}

.brand-count {
    font-size: 0.72rem;
    color: var(--gray-400);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* =============================================
   PRODUCT LIST - Professional Items
   ============================================= */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.product-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
}

.product-item:active {
    background: var(--gray-50);
    transform: scale(0.99);
    box-shadow: var(--shadow-md);
}

.product-image {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid var(--gray-100);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-image i {
    font-size: 1.4rem;
    color: var(--gray-300);
}

.product-info {
    flex: 1;
    min-width: 0;
}

.product-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: -0.01em;
}

.product-model {
    font-size: 0.73rem;
    color: var(--gray-500);
    margin-top: 1px;
}

.product-price {
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--primary);
    margin-top: 2px;
    letter-spacing: -0.02em;
}

.product-meta {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
}

.condition-badge {
    font-size: 0.62rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.condition-sifir {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.condition-ikinci_el {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.15);
}

/* =============================================
   SEARCH BAR - Premium
   ============================================= */
.search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    background: #fff;
    padding: 10px 14px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1.5px solid transparent;
    transition: var(--transition);
}

.search-bar:focus-within {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md), 0 0 0 3px rgba(37, 99, 235, 0.08);
}

.search-bar input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 0.88rem;
    background: transparent;
    color: var(--gray-800);
}

.search-bar input::placeholder {
    color: var(--gray-400);
}

.search-bar > i {
    color: var(--gray-300);
    font-size: 1rem;
}

.search-bar .search-actions {
    display: flex;
    gap: 8px;
}

.search-bar .search-actions button {
    color: var(--gray-500);
    font-size: 1.1rem;
    padding: 4px;
}

/* =============================================
   MODAL - Premium Bottom Sheet
   ============================================= */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: #fff;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    width: 100%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 8px 20px 24px;
    animation: slideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-content::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--gray-300);
    border-radius: 2px;
    margin: 8px auto 16px;
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0.5; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
    color: var(--gray-800);
}

.modal-option {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-700);
    background: #fff;
    transition: var(--transition);
}

.modal-option i {
    font-size: 1.2rem;
    color: var(--primary);
    width: 28px;
    text-align: center;
}

.modal-option:active {
    background: var(--primary-bg);
    border-color: var(--primary-light);
    transform: scale(0.98);
}

.modal-cancel {
    display: block;
    width: 100%;
    padding: 14px;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-500);
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    margin-top: 6px;
    transition: var(--transition);
}

.modal-cancel:active {
    background: var(--gray-200);
}

/* =============================================
   BARKOD / IMEI TARAYICI
   ============================================= */
.scan-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 0.72rem;
    margin-left: 6px;
    cursor: pointer;
    vertical-align: middle;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.scan-btn:active {
    transform: scale(0.9);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.2);
}

.scan-btn-lg {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    width: 42px;
    height: 40px;
    font-size: 1.05rem;
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition);
    box-shadow: var(--shadow-purple);
}

.scan-btn-lg:active {
    transform: scale(0.9);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

/* Dinamik IMEI alanları */
.imei-row { margin-bottom: 10px; }
.imei-row label { font-size: 0.82rem; font-weight: 600; color: var(--gray-600); margin-bottom: 4px; display: block; }
.imei-input-group { display: flex; gap: 8px; align-items: center; }
.imei-input-group .form-control { flex: 1; }
.scan-btn-imei {
    flex-shrink: 0; width: 44px; height: 44px;
    border-radius: 10px; border: 1px solid var(--gray-200);
    background: var(--primary-bg); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; cursor: pointer; transition: var(--transition);
}
.scan-btn-imei:active { transform: scale(0.93); background: var(--primary-bg-alt); }

/* Satış sepeti / fatura listesi */
.cart-item {
    display: flex; align-items: center; gap: 10px;
    padding: 12px; background: #fff;
    border: 1px solid var(--gray-100);
    border-radius: 12px; margin-bottom: 6px;
}
.cart-item-num {
    width: 24px; height: 24px; border-radius: 50%;
    background: var(--primary-bg); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 700; flex-shrink: 0;
}
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-weight: 700; font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-detail { font-size: 0.72rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 1px; }
.cart-item-detail span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-price { font-weight: 800; font-size: 0.85rem; color: var(--primary); white-space: nowrap; }
.cart-item-remove {
    width: 28px; height: 28px; border-radius: 8px; border: none;
    background: var(--danger-bg); color: var(--danger);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem; cursor: pointer; flex-shrink: 0;
}
.cart-item-remove:active { transform: scale(0.9); }

/* Gruplanmış fatura görünümü */
.cart-group {
    background: #fff; border: 1px solid var(--gray-100);
    border-radius: 14px; margin-bottom: 8px; overflow: hidden;
}
.cart-group-header {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px; border-bottom: 1px solid var(--gray-50);
}
.cart-group-name { font-weight: 800; font-size: 0.9rem; }
.cart-group-meta { font-size: 0.72rem; color: var(--text-muted); display: flex; gap: 8px; flex-wrap: wrap; }
.cart-group-badge {
    flex-shrink: 0; padding: 4px 10px; border-radius: 20px;
    background: var(--primary-bg); color: var(--primary);
    font-size: 0.75rem; font-weight: 700;
}
.cart-imei-list { padding: 0 14px; }
.cart-imei-row {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 0; border-bottom: 1px dashed var(--gray-50);
}
.cart-imei-row:last-child { border-bottom: none; }
.cart-imei-code { flex: 1; font-size: 0.8rem; font-weight: 600; font-family: monospace; letter-spacing: 0.5px; }
.cart-imei-remove {
    width: 24px; height: 24px; border-radius: 6px; border: none;
    background: var(--danger-bg); color: var(--danger);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.6rem; cursor: pointer; flex-shrink: 0;
}
.cart-imei-remove:active { transform: scale(0.9); }
.imei-pick-btn { padding:6px 12px;background:#fff;border:1.5px solid var(--primary);border-radius:10px;font-size:0.8rem;font-weight:700;font-family:monospace;color:var(--primary);cursor:pointer;letter-spacing:0.5px;transition:all 0.15s; }
.imei-pick-btn:active { transform:scale(0.93);background:var(--primary);color:#fff; }

/* Cari Fatura Geçmişi */
.invoice-tabs { display:flex; gap:8px; margin-bottom:12px; }
.inv-tab {
    flex:1; padding:10px 8px; border-radius:12px; border:1.5px solid var(--gray-200);
    background:#fff; font-size:0.82rem; font-weight:600; color:var(--text-muted);
    display:flex; align-items:center; justify-content:center; gap:6px; cursor:pointer;
    transition:all 0.15s;
}
.inv-tab.active { background:var(--primary); color:#fff; border-color:var(--primary); }
.inv-tab-count {
    background:rgba(0,0,0,0.1); padding:1px 7px; border-radius:10px; font-size:0.72rem;
}
.inv-tab.active .inv-tab-count { background:rgba(255,255,255,0.25); }
.invoice-card {
    background:#fff; border-radius:14px; margin-bottom:10px;
    box-shadow:var(--shadow); overflow:hidden; cursor:pointer;
}
.invoice-header {
    display:flex; align-items:center; gap:10px; padding:14px;
}
.invoice-icon {
    width:40px; height:40px; border-radius:10px; display:flex;
    align-items:center; justify-content:center; flex-shrink:0;
}
.inv-chevron {
    color:var(--text-muted); font-size:0.75rem; transition:transform 0.2s; margin-left:4px;
}
.invoice-detail {
    padding:0 14px 14px; border-top:1px solid var(--gray-100);
}
.invoice-product-row {
    display:flex; align-items:center; gap:8px; padding:6px 0;
    font-size:0.82rem; color:var(--text-primary);
}
.invoice-product-row i { width:16px; text-align:center; font-size:0.75rem; }
.cart-group-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px; background: var(--gray-50);
    font-size: 0.8rem; color: var(--text-muted);
}

#scannerModal .modal-content {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 90vh;
}

#scannerPreview {
    border-radius: var(--radius);
    overflow: hidden;
}

#scannerPreview video {
    border-radius: var(--radius);
}

/* =============================================
   FORMS - Premium Styling
   ============================================= */
.form-section-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--gray-700);
    margin: 24px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--gray-100);
    letter-spacing: -0.01em;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--gray-600);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.form-control {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: #fff;
    transition: var(--transition);
    color: var(--gray-800);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
    background: #fff;
}

.form-control:hover:not(:focus) {
    border-color: var(--gray-300);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    transition: var(--transition);
}

.input-icon:focus-within i {
    color: var(--primary);
}

.input-icon input {
    padding-left: 42px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 14px;
    padding-right: 42px;
    cursor: pointer;
}

textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

/* Form row for side-by-side fields */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* =============================================
   BUTTONS - Premium
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 22px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn:active { transform: scale(0.96); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: var(--shadow-purple);
}

.btn-primary:active {
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: #fff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: #fff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: #fff;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

.btn-outline {
    background: #fff;
    border: 1.5px solid var(--gray-300);
    color: var(--gray-700);
    box-shadow: var(--shadow-xs);
}

.btn-outline:active {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: 9px 16px;
    font-size: 0.8rem;
    border-radius: 8px;
}

/* =============================================
   FLASH MESSAGES - Enhanced
   ============================================= */
.flash {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    animation: flashSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-md);
}

.flash-success { background: linear-gradient(135deg, #ecfdf5, #d1fae5); color: #065f46; border: 1px solid rgba(16, 185, 129, 0.15); }
.flash-error { background: linear-gradient(135deg, #fef2f2, #fee2e2); color: #991b1b; border: 1px solid rgba(239, 68, 68, 0.15); }
.flash-info { background: linear-gradient(135deg, #eff6ff, #dbeafe); color: #1e40af; border: 1px solid rgba(59, 130, 246, 0.15); }
.flash-warning { background: linear-gradient(135deg, #fffbeb, #fef3c7); color: #92400e; border: 1px solid rgba(245, 158, 11, 0.15); }

@keyframes flashSlideIn {
    from { opacity: 0; transform: translateY(-12px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* =============================================
   LOGIN PAGE - Premium Glassmorphism
   ============================================= */
.login-body {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 40%, #0f172a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-body::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(167,139,250,0.2), transparent 70%);
    border-radius: 50%;
    animation: loginGlow 6s ease infinite alternate;
}

.login-body::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -15%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99,102,241,0.15), transparent 70%);
    border-radius: 50%;
    animation: loginGlow 8s ease infinite alternate-reverse;
}

@keyframes loginGlow {
    from { transform: scale(1); opacity: 0.7; }
    to { transform: scale(1.2); opacity: 1; }
}

.login-container {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.login-header {
    text-align: center;
    color: #fff;
    margin-bottom: 32px;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(16px);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.login-header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.login-header p {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: 4px;
}

.login-form {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--radius-xl);
    padding: 28px 24px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.15);
}

@supports not (backdrop-filter: blur(1px)) {
    .login-form {
        background: rgba(30, 27, 75, 0.85);
    }
}

.login-form .form-group {
    margin-bottom: 16px;
}

.login-form .input-icon i {
    color: rgba(255,255,255,0.5);
}

.login-form input {
    width: 100%;
    padding: 15px 14px 15px 44px;
    border: 1.5px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.06);
    color: #fff;
    font-size: 0.95rem;
    transition: var(--transition);
}

.login-form input::placeholder {
    color: rgba(255,255,255,0.4);
}

.login-form input:focus {
    outline: none;
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.06);
}

.login-form .btn-primary {
    margin-top: 8px;
    padding: 15px;
    font-size: 1rem;
    background: #fff;
    color: var(--primary);
    font-weight: 800;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    letter-spacing: -0.01em;
}

.login-form .btn-primary:active {
    background: var(--gray-100);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.login-footer {
    text-align: center;
    color: rgba(255,255,255,0.4);
    font-size: 0.75rem;
    margin-top: 24px;
}

/* =============================================
   TABLES - Clean & Modern
   ============================================= */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.03);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    background: #fff;
}

.table th {
    background: var(--gray-50);
    font-weight: 700;
    color: var(--gray-600);
    padding: 12px 14px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 2px solid var(--gray-200);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:active {
    background: var(--gray-50);
}

/* =============================================
   CONTACT / CARI LIST - Polished
   ============================================= */
.contact-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
}

.contact-item:active {
    transform: scale(0.99);
    box-shadow: var(--shadow-lg);
}

.contact-avatar {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-avatar.tedarikci { background: linear-gradient(135deg, #dbeafe, #bfdbfe); color: #2563eb; }
.contact-avatar.bayi { background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #059669; }
.contact-avatar.musteri { background: linear-gradient(135deg, #fce7f3, #fbcfe8); color: #db2777; }

.contact-info {
    flex: 1;
    min-width: 0;
}

.contact-name {
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: -0.01em;
}

.contact-type {
    font-size: 0.72rem;
    color: var(--gray-500);
    font-weight: 500;
}

.contact-balance {
    text-align: right;
}

.contact-balance .amount {
    font-weight: 800;
    font-size: 0.88rem;
    letter-spacing: -0.02em;
}

.contact-balance .amount.positive { color: var(--success); }
.contact-balance .amount.negative { color: var(--danger); }

.contact-balance .label {
    font-size: 0.68rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* =============================================
   TABS - Premium Segmented Control
   ============================================= */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: 18px;
    overflow-x: auto;
    border: 1px solid var(--gray-200);
}

.tab {
    flex: 1;
    padding: 10px 16px;
    text-align: center;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-500);
    border-radius: 8px;
    white-space: nowrap;
    transition: var(--transition);
}

.tab.active {
    background: #fff;
    color: var(--primary);
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.tab:active {
    transform: scale(0.97);
}

/* =============================================
   EMPTY STATE - Friendly
   ============================================= */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray-400);
}

.empty-state i {
    font-size: 3.5rem;
    margin-bottom: 16px;
    opacity: 0.4;
    background: linear-gradient(135deg, var(--gray-300), var(--gray-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.empty-state p {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-500);
}

/* =============================================
   LOADING
   ============================================= */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =============================================
   FAB (Floating Action Button) - Premium
   ============================================= */
.fab {
    position: fixed;
    bottom: 85px;
    right: 16px;
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: var(--shadow-purple-lg), 0 0 0 4px rgba(37, 99, 235, 0.1);
    z-index: 50;
    transition: var(--transition-bounce);
}

.fab:active {
    transform: scale(0.88) rotate(-90deg);
    box-shadow: var(--shadow-purple);
}

/* =============================================
   CHART STYLES (Reports)
   ============================================= */
.chart-container {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.03);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 160px;
    padding-top: 20px;
}

.chart-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
}

.chart-bar {
    width: 100%;
    border-radius: 8px 8px 0 0;
    min-height: 4px;
    transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    background: linear-gradient(to top, var(--primary), var(--primary-light)) !important;
    position: relative;
}

.chart-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.2), transparent);
    border-radius: 8px 8px 0 0;
}

.chart-bar-value {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--gray-500);
    margin-bottom: 4px;
    white-space: nowrap;
}

.chart-bar-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--gray-400);
    margin-top: 8px;
}

/* =============================================
   FILTER BAR (Stok sayfası)
   ============================================= */
.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    overflow-x: auto;
    padding: 2px 0;
    -webkit-overflow-scrolling: touch;
}

.filter-chip {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    border: 1.5px solid var(--gray-200);
    background: #fff;
    color: var(--gray-600);
    transition: var(--transition);
    flex-shrink: 0;
}

.filter-chip.active,
.filter-chip:active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: var(--shadow-purple);
}

/* =============================================
   PROFILE PAGE
   ============================================= */
.profile-header {
    text-align: center;
    padding: 24px;
    background: #fff;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.03);
}

.profile-avatar-lg {
    width: 80px;
    height: 80px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 12px;
    box-shadow: var(--shadow-purple);
}

.profile-name {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.profile-role {
    font-size: 0.78rem;
    color: var(--gray-500);
    font-weight: 500;
}

.menu-list {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 16px;
    border: 1px solid rgba(0,0,0,0.03);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.menu-item:last-child {
    border-bottom: none;
}

.menu-item:active {
    background: var(--gray-50);
}

.menu-item i {
    width: 20px;
    text-align: center;
    color: var(--gray-500);
    font-size: 1rem;
}

.menu-item span {
    flex: 1;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--gray-700);
}

.menu-item .menu-arrow {
    color: var(--gray-300);
    font-size: 0.8rem;
}

.menu-item.danger i,
.menu-item.danger span {
    color: var(--danger);
}

/* =============================================
   TRANSACTION LIST (Cari Hesap Ekstresi)
   ============================================= */
.transaction-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
}

.transaction-item:last-child {
    border-bottom: none;
}

.transaction-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.transaction-icon.income {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    color: var(--success);
}

.transaction-icon.expense {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    color: var(--danger);
}

.transaction-info {
    flex: 1;
    min-width: 0;
}

.transaction-desc {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
}

.transaction-date {
    font-size: 0.72rem;
    color: var(--gray-500);
}

.transaction-amount {
    font-weight: 800;
    font-size: 0.88rem;
    letter-spacing: -0.02em;
}

.transaction-amount.positive { color: var(--success); }
.transaction-amount.negative { color: var(--danger); }

/* =============================================
   SUMMARY CARDS (Cari Hesap Üst Kartlar)
   ============================================= */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.summary-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.03);
}

/* =============================================
   TOAST NOTIFICATION
   ============================================= */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--gray-800);
    color: #fff;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    backdrop-filter: blur(16px);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* =============================================
   UTILITIES
   ============================================= */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.8rem; }
.text-xs { font-size: 0.72rem; }
.fw-bold { font-weight: 700; }
.fw-800 { font-weight: 800; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.p-2 { padding: 16px; }
.d-flex { display: flex; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.hidden { display: none !important; }

/* Divider */
.divider {
    height: 1px;
    background: var(--gray-100);
    margin: 16px 0;
}

/* Card base */
.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.03);
}

/* =============================================
   RESPONSIVE - Tablet & Desktop
   ============================================= */
@media (min-width: 768px) {
    .main-content {
        max-width: 768px;
        margin: 0 auto;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .module-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .brand-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .quick-actions {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .brand-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .bottom-nav {
        max-width: 768px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .top-bar {
        max-width: 768px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: 0 0 var(--radius) var(--radius);
    }
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* Stagger animation for lists */
.product-item, .contact-item, .module-card, .stat-card, .brand-card {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.module-card:nth-child(1), .stat-card:nth-child(1), .brand-card:nth-child(1), .product-item:nth-child(1) { animation-delay: 0.03s; }
.module-card:nth-child(2), .stat-card:nth-child(2), .brand-card:nth-child(2), .product-item:nth-child(2) { animation-delay: 0.06s; }
.module-card:nth-child(3), .stat-card:nth-child(3), .brand-card:nth-child(3), .product-item:nth-child(3) { animation-delay: 0.09s; }
.module-card:nth-child(4), .stat-card:nth-child(4), .brand-card:nth-child(4), .product-item:nth-child(4) { animation-delay: 0.12s; }
.module-card:nth-child(5), .stat-card:nth-child(5), .brand-card:nth-child(5), .product-item:nth-child(5) { animation-delay: 0.15s; }
.module-card:nth-child(6), .stat-card:nth-child(6), .brand-card:nth-child(6), .product-item:nth-child(6) { animation-delay: 0.18s; }

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* =============================================
   GİZLİLİK MODU - Tutarları gizle
   ============================================= */
body.privacy-mode .stat-value,
body.privacy-mode .product-meta .fw-bold,
body.privacy-mode .product-meta .text-xs,
body.privacy-mode #profitInfo,
body.privacy-mode #totalDisplay,
body.privacy-mode #purchaseTotalDisplay,
body.privacy-mode .chart-bar-value,
body.privacy-mode .balance-amount {
    filter: blur(10px);
    user-select: none;
    pointer-events: none;
    transition: filter 0.2s ease;
}

/* =============================================
   TOGGLE SWITCH
   ============================================= */
.toggle-switch { position:relative; display:inline-block; width:44px; height:24px; cursor:pointer; flex-shrink:0; }
.toggle-switch input { opacity:0; width:0; height:0; }
.toggle-slider { position:absolute; inset:0; background:var(--gray-300); border-radius:24px; transition:var(--transition); }
.toggle-slider::before { content:''; position:absolute; height:18px; width:18px; left:3px; bottom:3px; background:#fff; border-radius:50%; transition:var(--transition); box-shadow:var(--shadow-xs); }
.toggle-switch input:checked + .toggle-slider { background:var(--primary); }
.toggle-switch input:checked + .toggle-slider::before { transform:translateX(20px); }

/* =============================================
   2. EL DURUM KRİTERLERİ
   ============================================= */
.condition-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:10px; }
.condition-item label { font-size:0.8rem; font-weight:600; color:var(--gray-600); margin-bottom:4px; display:block; }
.condition-pills { display:flex; gap:6px; }
.condition-pill {
    flex:1; padding:8px 4px; border:1.5px solid var(--gray-200); border-radius:8px;
    text-align:center; font-size:0.75rem; font-weight:600; cursor:pointer;
    transition:var(--transition); background:#fff;
}
.condition-pill:active { transform:scale(0.95); }
.condition-pill.active-iyi { border-color:var(--success); background:var(--success-bg); color:var(--success); }
.condition-pill.active-orta { border-color:var(--warning); background:var(--warning-bg); color:var(--warning); }
.condition-pill.active-kotu { border-color:var(--danger); background:var(--danger-bg); color:var(--danger); }
.battery-input { display:flex; align-items:center; gap:8px; }
.battery-input input[type=range] { flex:1; accent-color:var(--primary); height:6px; }
.battery-input .battery-val { font-weight:700; font-size:1rem; min-width:44px; text-align:right; color:var(--primary); }

/* 2. El Durum Badge */
.condition-summary {
    display:flex; flex-wrap:wrap; gap:4px; margin-top:3px;
}
.condition-tag {
    font-size:0.65rem; padding:1px 6px; border-radius:4px; font-weight:600;
}
.condition-tag.tag-iyi { background:var(--success-bg); color:var(--success); }
.condition-tag.tag-orta { background:var(--warning-bg); color:var(--warning); }
.condition-tag.tag-kotu { background:var(--danger-bg); color:var(--danger); }

/* =============================================
   QR ETİKET YAZDIRMA
   ============================================= */
.qr-label { text-align:center; padding:16px; }
.qr-label-info { font-size:0.85rem; margin-top:12px; line-height:1.6; }
.qr-label-info strong { display:block; font-size:1rem; }

.product-detail-card {
    background:#fff; border-radius:var(--radius); box-shadow:var(--shadow-sm);
    padding:16px; margin-bottom:12px;
}
.product-detail-card h4 { margin:0 0 10px; font-size:0.9rem; color:var(--primary); }
.detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; font-size:0.85rem; }
.detail-grid .full-width { grid-column:1/-1; }

.print-actions { display:flex; gap:8px; margin-top:16px; }
.print-actions .btn { flex:1; }

@media print {
    body * { visibility:hidden !important; }
    .print-area, .print-area * { visibility:visible !important; }
    .print-area {
        position:absolute; left:0; top:0;
        width:58mm; padding:3mm;
        font-family:Arial,sans-serif;
    }
    .print-area .qr-code-img { width:35mm; height:35mm; }
    .print-area .print-info { font-size:8pt; line-height:1.4; text-align:center; }
    .print-area .print-info strong { font-size:9pt; }
    .no-print { display:none !important; }
}

/* =============================================
   PROFESYONEL BARKOD TARAYICI v3
   ============================================= */
.scan-fs {
    position:fixed; top:0; left:0; right:0; bottom:0;
    z-index:9999; background:#000;
    display:flex; flex-direction:column;
}

/* Kamera - tam ekran */
.scan-cam {
    position:absolute; top:0; left:0; right:0; bottom:0;
    overflow:hidden;
}
.scan-cam, .scan-cam > div {
    width:100% !important; height:100% !important;
}
.scan-cam video {
    width:100% !important; height:100% !important;
    object-fit:cover !important;
}
/* html5-qrcode varsayılan kutuyu gizle */
.scan-cam > div:first-child { border:none !important; }
#scanCam > div > img { display:none !important; }
#scanCam__scan_region { width:100% !important; height:100% !important; }
#scanCam__scan_region > br, #scanCam__header_message { display:none !important; }

/* Karartma overlay */
.scan-dim {
    position:absolute; top:0; left:0; right:0; bottom:0;
    display:flex; flex-direction:column;
    pointer-events:none; z-index:2;
}
.scan-dim-top { height:calc(50% - 100px); background:rgba(0,0,0,0.5); }
.scan-dim-bot { flex:1; background:rgba(0,0,0,0.5); }
.scan-dim-mid { display:flex; height:200px; }
.scan-dim-side { width:24px; background:rgba(0,0,0,0.5); }

/* Viewfinder - ekrana göre dinamik */
.scan-vf {
    flex:1; height:200px;
    position:relative;
}

/* Köşe markerları */
.vf-c {
    position:absolute; width:28px; height:28px;
    border-color:#ef4444; border-style:solid; border-width:0;
}
.vf-tl { top:0;left:0; border-top-width:3px; border-left-width:3px; border-radius:6px 0 0 0; }
.vf-tr { top:0;right:0; border-top-width:3px; border-right-width:3px; border-radius:0 6px 0 0; }
.vf-bl { bottom:0;left:0; border-bottom-width:3px; border-left-width:3px; border-radius:0 0 0 6px; }
.vf-br { bottom:0;right:0; border-bottom-width:3px; border-right-width:3px; border-radius:0 0 6px 0; }

/* Başarıda yeşil köşeler */
.vf-ok .vf-c { border-color:#10b981; }

/* Lazer çizgisi */
.scan-laser {
    position:absolute; left:8%; width:84%; height:2px;
    background: linear-gradient(90deg, transparent 0%, #ef4444 15%, #ef4444 85%, transparent 100%);
    box-shadow: 0 0 10px rgba(239,68,68,0.6), 0 0 20px rgba(239,68,68,0.3);
    animation: laserScan 2.2s ease-in-out infinite;
    border-radius: 2px;
}
.scan-laser-ok {
    background: linear-gradient(90deg, transparent 0%, #10b981 15%, #10b981 85%, transparent 100%) !important;
    box-shadow: 0 0 10px rgba(16,185,129,0.6), 0 0 20px rgba(16,185,129,0.3) !important;
}

@keyframes laserScan {
    0%   { top: 8%; }
    50%  { top: 88%; }
    100% { top: 8%; }
}

/* Üst toolbar */
.scan-bar {
    position:absolute; top:0; left:0; right:0;
    display:flex; align-items:center; justify-content:space-between;
    padding: 12px 16px;
    padding-top: max(12px, env(safe-area-inset-top));
    background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, transparent 100%);
    z-index:10;
}
.scan-bar-title {
    color:#fff; font-size:1rem; font-weight:600;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
.scan-btn {
    width:40px; height:40px; border-radius:50%;
    background:rgba(255,255,255,0.15); border:none;
    color:#fff; font-size:1.1rem;
    display:flex; align-items:center; justify-content:center;
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
    cursor:pointer; margin-left:8px;
}
.scan-btn:active { background:rgba(255,255,255,0.3); }
.scan-btn-on { background:rgba(37,99,235,0.8) !important; }

/* Rehber yazı */
.scan-hint {
    position:absolute; z-index:10;
    left:0; right:0;
    top: calc(50% + 115px);
    text-align:center;
    color:rgba(255,255,255,0.9); font-size:0.9rem;
    text-shadow: 0 1px 4px rgba(0,0,0,0.8);
    letter-spacing:0.03em;
    font-weight:500;
}

/* Başarı göstergesi */
.scan-ok {
    position:absolute; z-index:10;
    left:0; right:0;
    top: calc(50% + 115px);
    display:flex; align-items:center; justify-content:center; gap:8px;
    color:#10b981; font-size:1.1rem; font-weight:700;
    text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}
.scan-ok i { font-size:1.4rem; }

/* Alt bölüm */
.scan-bot {
    position:absolute; bottom:0; left:0; right:0;
    padding: 16px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 100%);
    z-index:10;
}
.scan-kbd {
    display:block; width:100%; padding:12px;
    background:rgba(255,255,255,0.12); border:1px solid rgba(255,255,255,0.2);
    border-radius:10px; color:#fff; font-size:0.9rem;
    text-align:center; cursor:pointer;
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
}
.scan-kbd:active { background:rgba(255,255,255,0.25); }
.scan-man {
    display:flex; gap:8px; margin-top:10px;
}
.scan-inp {
    flex:1; padding:14px 16px; border-radius:10px;
    border:1px solid rgba(255,255,255,0.3);
    background:rgba(0,0,0,0.5); color:#fff;
    font-size:1.1rem; outline:none;
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
}
.scan-inp::placeholder { color:rgba(255,255,255,0.4); }
.scan-inp:focus { border-color:#2563eb; }
.scan-go {
    padding:14px 20px; border-radius:10px;
    background:#2563eb; border:none; color:#fff;
    font-size:1.1rem; cursor:pointer;
}
.scan-go:active { background:#1d4ed8; }

/* Hata */
.scan-err {
    position:absolute; top:0; left:0; right:0; bottom:0;
    display:flex; flex-direction:column;
    align-items:center; justify-content:center; gap:16px;
    background:rgba(0,0,0,0.85); color:#fff;
    z-index:20; padding:24px;
}
.scan-err p { font-size:1rem; opacity:0.8; margin:0; }

/* Yeşil flash efekti */
.scan-gflash {
    position:absolute; top:0; left:0; right:0; bottom:0;
    pointer-events:none; z-index:15;
    background:rgba(16,185,129,0); transition:background 0.15s;
}
.scan-gf-on { background:rgba(16,185,129,0.2) !important; }