:root {
            --bg-color: #f6f7f9;
            --card-bg: #ffffff;
            --border-color: #e5e7eb;
            --text-color: #1f2937;
            --text-muted: #4b5563;
            --accent-color: #1c4e8a; /* kitapisler.com Red */
            --accent-hover: #143c6c;
            --secondary-color: #cc4a06; /* Dark Orange */
            --secondary-hover: #bf360c;
        }

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

        body {
            font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        .alert {
            text-align: center !important;
        }

        h1, h2, h3, h4, h5, h6, .display-4, .navbar-brand {
            font-family: 'Plus Jakarta Sans', system-ui, sans-serif !important;
            letter-spacing: -0.025em;
        }

        /* Clean e-commerce card styling */
        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            transition: all 0.2s ease;
        }

        .glass-card:hover {
            box-shadow: 0 4px 10px rgba(202, 42, 23, 0.08);
            border-color: rgba(202, 42, 23, 0.2);
        }

        .btn-premium {
            background-color: var(--accent-color);
            border: 1px solid var(--accent-color);
            color: white;
            padding: 8px 20px;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.15s ease;
        }

        .btn-premium:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: white;
        }

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

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

        /* Premium Dashboard UI & Admin Styles */
        .premium-card {
            background: #ffffff;
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: hidden;
        }

        .premium-card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            border-color: rgba(230, 81, 0, 0.2);
        }

        .premium-card-header {
            background-color: #f8fafc;
            border-bottom: 1px solid #e2e8f0;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .premium-card-title {
            font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
            font-weight: 700;
            font-size: 16px;
            color: #1e293b;
            margin-bottom: 0;
        }

        .premium-card-body {
            padding: 24px;
        }

        .premium-label {
            font-weight: 600;
            color: #475569;
            font-size: 13px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .premium-input {
            background-color: #f8fafc !important;
            border: 1.5px solid #cbd5e1 !important;
            color: #0f172a !important;
            border-radius: 8px !important;
            padding: 10px 14px !important;
            font-size: 14px !important;
            font-weight: 500 !important;
            transition: all 0.2s ease-in-out !important;
        }

        .premium-input:focus {
            background-color: #ffffff !important;
            border-color: var(--secondary-color) !important;
            box-shadow: 0 0 0 4px rgba(230, 81, 0, 0.12) !important;
            outline: none !important;
        }

        .premium-select {
            background-color: #f8fafc !important;
            border: 1.5px solid #cbd5e1 !important;
            color: #0f172a !important;
            border-radius: 8px !important;
            padding: 10px 14px !important;
            font-size: 14px !important;
            font-weight: 500 !important;
            transition: all 0.2s ease-in-out !important;
            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='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
            background-repeat: no-repeat !important;
            background-position: right 12px center !important;
            background-size: 12px 12px !important;
            appearance: none !important;
        }

        .premium-select:focus {
            background-color: #ffffff !important;
            border-color: var(--secondary-color) !important;
            box-shadow: 0 0 0 4px rgba(230, 81, 0, 0.12) !important;
        }

        .btn-gradient-primary {
            background: var(--accent-color) !important;
            border: 1px solid var(--accent-color) !important;
            color: white !important;
            font-weight: 600;
            transition: all 0.25s ease;
            box-shadow: 0 4px 12px rgba(202, 42, 23, 0.2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-gradient-primary:hover {
            background: var(--accent-hover) !important;
            border-color: var(--accent-hover) !important;
            color: white !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(202, 42, 23, 0.35);
        }

        .btn-gradient-secondary {
            background: #e2e8f0;
            color: #334155;
            border: 1px solid #cbd5e1;
            font-weight: 600;
            transition: all 0.2s ease;
        }

        .btn-gradient-secondary:hover {
            background: #cbd5e1;
            color: #1e293b;
        }

        .section-icon {
            background: rgba(230, 81, 0, 0.1);
            color: var(--secondary-color);
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 16px;
        }

        .form-section-divider {
            height: 1px;
            background: radial-gradient(circle, #e2e8f0 0%, rgba(226,232,240,0) 100%);
            margin: 24px 0;
        }

        /* Live Image Preview Container */
        .image-preview-wrapper {
            background: #f8fafc;
            border: 2px dashed #cbd5e1;
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            min-height: 240px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: all 0.2s ease;
        }

        .image-preview-wrapper:hover {
            border-color: var(--secondary-color);
            background: #f1f5f9;
        }

        .preview-img {
            max-width: 100%;
            max-height: 200px;
            object-fit: contain;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.2s ease;
        }

        .preview-img:hover {
            transform: scale(1.03);
        }

        .bg-secondary-custom {
            background-color: var(--secondary-color) !important;
        }

        .btn-secondary-custom {
            background-color: var(--secondary-color) !important;
            border-color: var(--secondary-color) !important;
            color: white !important;
            padding: 8px 20px;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.15s ease;
        }

        .btn-secondary-custom:hover {
            background-color: var(--secondary-hover) !important;
            border-color: var(--secondary-hover) !important;
            color: white !important;
        }

        .btn-outline-secondary-custom {
            background-color: transparent !important;
            border: 1px solid var(--secondary-color) !important;
            color: var(--secondary-color) !important;
            padding: 8px 20px;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.15s ease;
        }

        .btn-outline-secondary-custom:hover {
            background-color: rgba(202, 42, 23, 0.05) !important;
            border-color: var(--accent-color) !important;
            color: var(--accent-color) !important;
        }

        .btn-slider-custom {
            background-color: #ffffff !important;
            color: var(--secondary-color) !important;
            border: 1px solid transparent !important;
            transition: all 0.2s ease-in-out;
        }

        .btn-slider-custom:hover {
            background-color: #ffffff !important;
            color: var(--accent-color) !important;
            border-color: var(--accent-color) !important;
            box-shadow: 0 4px 12px rgba(202, 42, 23, 0.15) !important;
        }

        .hover-secondary-custom {
            transition: color 0.15s ease;
        }
        .hover-secondary-custom:hover {
            color: var(--secondary-color) !important;
        }

        .footer {
            margin-top: auto;
            border-top: 1px solid var(--border-color);
            background: var(--card-bg);
            padding: 48px 0 24px 0;
            color: var(--text-color);
            font-size: 14px;
        }
        .footer-heading {
            font-size: 12.5px;
            font-weight: 800;
            color: var(--text-color);
            letter-spacing: 0.75px;
            text-transform: uppercase;
            margin-bottom: 20px;
            font-family: 'Plus Jakarta Sans', system-ui, sans-serif !important;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.15s ease;
            padding: 6px 0;
            display: inline-block;
        }
        .footer-links a:hover {
            color: var(--accent-color);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 12.5px;
        }

        /* Top red bar style */
        .top-bar {
            background-color: #1c4e8a;
            font-size: 12px;
            font-weight: 500;
        }

        .top-bar a {
            color: #ffffff;
            text-decoration: none;
            transition: opacity 0.1s ease;
        }

        .top-bar a:hover {
            opacity: 0.8;
        }

        /* Navigation menu hover styling */
        .hover-red {
            transition: color 0.15s ease, background-color 0.15s ease;
        }
        .hover-red:hover {
            color: #1c4e8a !important;
        }

        /* Remove Bootstrap default dark blue/navy background on dropdown item click/hover/active */
        .dropdown-item:active,
        .dropdown-item:focus,
        .dropdown-item:hover,
        .dropdown-item:focus-visible,
        .dropdown-item.active {
            background-color: rgba(202, 42, 23, 0.08) !important;
            color: #1c4e8a !important;
            outline: none !important;
            box-shadow: none !important;
        }

        /* Autocomplete dropdown dropdown */
        #search-results {
            background: #ffffff;
            border: 1px solid #ccd0d4;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            border-radius: 4px;
            z-index: 1000;
        }

        /* Responsive image swap style */
        .thumbnail-item {
            transition: border-color 0.15s ease;
        }

        /* Fix light form elements and set general background to #fafafa */
        .form-control, .form-select {
            background-color: #fafafa !important;
            color: #1f2937 !important;
            border: 1px solid #ccd0d4 !important;
        }

        .form-control:focus, .form-select:focus {
            background-color: #ffffff !important;
            border-color: #1c4e8a !important;
            box-shadow: 0 0 0 3px rgba(202, 42, 23, 0.15) !important;
        }
        /* Hide scrollbars for responsive horizontal scroll */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;  /* IE and Edge */
            scrollbar-width: none;  /* Firefox */
        }
        
        /* Premium Sub-Navigation Menu Link Styling */
        .nav-menu-link {
            position: relative;
            color: #4b5563 !important;
            font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 16px 12px;
            text-transform: uppercase;
            transition: color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            display: inline-flex;
            align-items: center;
        }
        .nav-menu-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #1c4e8a 0%, #cc4a06 100%);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 3px 3px 0 0;
        }
        .nav-menu-link:hover {
            color: #1c4e8a !important;
        }
        .nav-menu-link:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }