/* Ana Renk Paleti - Çelik Kapı Teması */
:root {
    /* Çelik/Metal teması */
    --primary-dark: #1A1D23;     /* koyu çelik antrasit */
    --primary-steel: #2C3E50;    /* çelik mavi gri */
    --primary-blue: #34495E;     /* çelik mavisi */
    --steel-silver: #95A5A6;     /* fırçalı gümüş */
    --accent-orange: #E67E22;    /* turuncu vurgu (kapı kolu rengi) */
    --accent-gold: #F39C12;      /* altın vurgu */
    --bg-light: #F8F9FA;         /* temiz beyaz taban */
    --danger-red: #E74C3C;
    --success-green: #27AE60;
    --text-light: #FFFFFF;
    --text-dark: #011222;        /* koyu metin */
    --text-medium: #34495E;      /* orta ton metin */
    --text-muted: #7F8C8D;       /* soluk metin */
    --shadow: rgba(0, 0, 0, 0.15);
    --shadow-light: rgba(0, 0, 0, 0.08);
}

/* Genel Yapı */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Open Sans', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    overflow-x: hidden;
    font-weight: 400;
    line-height: 1.6;
}

/* Login Container */
#auth-container {
    background: linear-gradient(135deg, rgba(31, 34, 39, 0.85) 0%, rgba(74, 78, 84, 0.85) 100%), 
                url('/Media/arslankapi.png') center/cover no-repeat;
    min-height: 100vh;
    position: relative;
    background-attachment: fixed;
}

#auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
    pointer-events: none;
}

#auth-container .container {
    position: relative;
    z-index: 10;
}

    #auth-container .card {
        border: none;
        border-radius: 12px;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(10px);
        background: rgba(255, 255, 255, 0.95);
        position: relative;
        z-index: 20;
        pointer-events: auto;
    }

    #auth-container .card-title {
        font-family: 'Segoe UI', sans-serif;
        font-weight: 700;
        color: var(--text-dark);
        font-size: 1.8rem;
    }

    #auth-container .btn-primary {
        background-color: var(--primary-blue);
        border: none;
        padding: 12px;
        font-weight: 600;
        border-radius: 6px;
        transition: all 0.3s ease;
        position: relative;
        z-index: 30;
        pointer-events: auto;
    }

        #auth-container .btn-primary:hover {
            background-color: var(--accent-orange);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(230, 126, 34, 0.4);
        }

    #auth-container .form-control {
        border-radius: 6px;
        border: 1px solid #ddd;
        padding: 10px 15px;
        position: relative;
        z-index: 25;
        pointer-events: auto;
    }

        #auth-container .form-control:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 0.2rem rgba(31, 58, 147, 0.25);
        }

    #auth-container a {
        position: relative;
        z-index: 30;
        pointer-events: auto;
    }

    #auth-container .btn-success {
        position: relative;
        z-index: 30;
        pointer-events: auto;
    }

/* Product Cards */
.product-card {
    transition: all 0.3s ease;
    border: none;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15) !important;
}

.product-image-container {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 5;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-stats {
    background: var(--bg-light);
    border-radius: 8px;
    padding: 15px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Sidebar Navigation */
nav.bg-dark {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-steel) 100%) !important;
    box-shadow: 2px 0 14px var(--shadow);
    border-right: 1px solid rgba(255,255,255,0.06);
}

nav .fs-4 {
    font-family: 'Segoe UI', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-light) !important;
}

nav .nav-link {
    border-radius: 6px;
    margin: 5px 0;
    padding: 12px 16px;
    transition: all 0.3s ease;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8) !important;
}

    nav .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.1);
        transform: translateX(5px);
    }

    nav .nav-link.active {
        background-color: var(--accent-orange) !important;
        color: var(--text-light) !important;
        box-shadow: 0 4px 8px rgba(243, 156, 18, 0.3);
    }

    nav .nav-link i {
        width: 24px;
        text-align: center;
    }

#logout-btn {
    background-color: var(--danger-red);
    border: none;
    border-radius: 6px;
    padding: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

    #logout-btn:hover {
        background-color: #C0392B;
        transform: scale(1.05);
    }

/* Main Content Area */
#main-content {
    background-color: var(--bg-light);
    min-height: 100vh;
    padding: 20px;
}

    #main-content h1, #main-content h2 {
        font-family: 'Segoe UI', sans-serif;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 24px;
    }

    #main-content h3, #main-content h4 {
        font-family: 'Segoe UI', sans-serif;
        font-weight: 600;
        color: var(--text-medium);
        margin-bottom: 16px;
    }

    #main-content p, #main-content span {
        color: var(--text-medium);
    }

    #main-content .text-muted {
        color: var(--text-muted) !important;
    }

/* Buttons */
.btn {
    border-radius: 6px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-success {
    background-color: var(--success-green);
}

    .btn-success:hover {
        background-color: #229954;
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(39, 174, 96, 0.3);
    }

.btn-info {
    background-color: var(--primary-blue);
    color: white;
}

    .btn-info:hover {
        background-color: var(--accent-orange);
        transform: translateY(-2px);
    }

.btn-primary {
    background-color: var(--primary-blue);
}

    .btn-primary:hover {
        background-color: #153066;
        transform: translateY(-2px);
    }

.btn-danger {
    background-color: var(--danger-red);
}

    .btn-danger:hover {
        background-color: #C0392B;
        transform: translateY(-2px);
    }

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

/* Tables */
.table {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px var(--shadow-light);
}

.table-dark {
    background-color: var(--primary-steel) !important;
    color: var(--text-light) !important;
}

.table-dark th {
    color: var(--text-light) !important;
    font-weight: 600;
}

.table thead th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    border: none;
    color: var(--text-light);
    background-color: var(--primary-steel);
}

.table tbody td {
    color: var(--text-medium);
    font-weight: 400;
}

.table tbody tr {
    transition: all 0.2s ease;
}

    .table tbody tr:hover {
        background-color: rgba(31, 58, 147, 0.05);
        transform: scale(1.01);
    }

.table td {
    vertical-align: middle;
    padding: 12px;
}

/* Cards */
.card {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-light);
    margin-bottom: 20px;
    background-color: white;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-steel), var(--steel-silver));
    color: var(--text-light);
    font-weight: 600;
    border-radius: 8px 8px 0 0 !important;
    padding: 15px 20px;
}

.card-body {
    padding: 20px;
    color: var(--text-medium);
}

.card-title {
    color: var(--text-dark);
    font-weight: 600;
}

.card-text {
    color: var(--text-medium);
}

/* Stats Cards */
.stat-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-steel) 100%);
    color: var(--text-light);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 12px var(--shadow);
    transition: all 0.3s ease;
}

    .stat-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }

    .stat-card i {
        font-size: 2.5rem;
        opacity: 0.9;
        color: var(--text-light);
    }

    .stat-card .stat-value {
        font-size: 2rem;
        font-weight: 700;
        margin: 10px 0;
        color: var(--text-light);
    }

    .stat-card .stat-label {
        font-size: 0.9rem;
        opacity: 0.9;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-light);
    }

/* Forms */
.form-control, .form-select {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 10px 15px;
    transition: all 0.3s ease;
}

    .form-control:focus, .form-select:focus {
        border-color: var(--primary-blue);
        box-shadow: 0 0 0 0.2rem rgba(31, 58, 147, 0.25);
    }

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

/* Badges */
.badge {
    padding: 6px 12px;
    border-radius: 4px;
    font-weight: 600;
}

/* Alert Colors */
.text-danger {
    color: var(--danger-red) !important;
    font-weight: 600;
}

.text-success {
    color: var(--success-green) !important;
    font-weight: 600;
}

.text-warning {
    color: var(--accent-orange) !important;
    font-weight: 600;
}

.text-primary {
    color: var(--primary-blue) !important;
    font-weight: 500;
}

.text-secondary {
    color: var(--text-muted) !important;
}

/* Dark background text overrides */
.bg-dark .text-muted,
.table-dark .text-muted,
.card-header .text-muted {
    color: rgba(255, 255, 255, 0.7) !important;
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: var(--danger-red);
    color: var(--danger-red);
}

.alert-success {
    background-color: rgba(39, 174, 96, 0.1);
    border-color: var(--success-green);
    color: var(--success-green);
}

.alert-warning {
    background-color: rgba(230, 126, 34, 0.1);
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

/* Icon colors for better visibility */
.fa-exclamation-triangle,
.fa-exclamation-circle,
.fa-check-circle,
.fa-info-circle {
    color: inherit !important;
}

/* Text center error messages */
.text-center.text-danger,
.text-center .text-danger {
    color: var(--danger-red) !important;
    font-weight: 600;
}

/* Dark backgrounds - force light text */
.bg-dark,
.table-dark,
.navbar-dark,
.card-header {
    color: var(--text-light) !important;
}

.bg-dark *,
.table-dark *,
.navbar-dark *,
.card-header * {
    color: inherit;
}

/* Loading Spinner */
.spinner-border {
    border-color: var(--primary-blue);
    border-right-color: transparent;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-steel);
    border-radius: 4px;
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--primary-dark);
    }

/* Hover Effects */
.hover-shadow {
    transition: all 0.3s ease;
}

.hover-shadow:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15) !important;
}

/* Background Gradients */
.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Toast Container */
.toast-container {
    z-index: 9999;
}

.toast {
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Table Responsive Improvements */
.table-responsive {
    border-radius: 8px;
    overflow: hidden;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 300px;
    margin: 20px 0;
}

/* Dashboard Specific */
.dashboard-card {
    border-left: 4px solid var(--primary-blue);
}

.dashboard-card.success {
    border-left-color: var(--success-green);
}

.dashboard-card.warning {
    border-left-color: var(--accent-orange);
}

.dashboard-card.danger {
    border-left-color: var(--danger-red);
}

/* Print Styles */
@media print {
    nav, .btn, #logout-btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        background-color: white;
    }
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        width: 100% !important;
        min-height: auto !important;
    }

    #app-container {
        flex-direction: column !important;
    }
    
    .stat-card {
        margin-bottom: 15px;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.875rem;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* Loading State */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
}

/* Empty State */
.empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.6;
    color: var(--steel-silver);
}

.empty-state h4 {
    color: var(--text-medium);
    font-weight: 600;
    margin-bottom: 10px;
}

/* Status Indicators */
.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-indicator.active {
    background-color: var(--success-green);
    box-shadow: 0 0 8px var(--success-green);
}

.status-indicator.inactive {
    background-color: #999;
}

.status-indicator.warning {
    background-color: var(--accent-orange);
    box-shadow: 0 0 8px var(--accent-orange);
}