:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --shadow: rgba(0, 0, 0, 0.1);
    --modal-bg: #ffffff;
    --modal-text: #212529;
    --select-bg: #ffffff;
    --select-text: #212529;
    --select-border: #ced4da;
}

[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-card: #252525;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --border-color: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
    --modal-bg: #2d2d2d;
    --modal-text: #e9ecef;
    --select-bg: #2d2d2d;
    --select-text: #e9ecef;
    --select-border: #404040;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

main {
    flex: 1;
}

.card {
    border: none;
    border-radius: 10px;
    background-color: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 2px 8px var(--shadow);
    transition: all 0.3s ease;
}

.video-card {
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

    .video-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px var(--shadow);
    }

    .video-card img {
        height: 200px;
        object-fit: cover;
    }

.card-body {
    background-color: var(--bg-card);
}

.format-list {
    max-height: 600px;
    overflow-y: auto;
}

.format-item {
    transition: all 0.2s;
    background-color: var(--bg-secondary);
    border-color: var(--border-color) !important;
}

    .format-item:hover {
        background-color: var(--bg-primary);
        border-color: #dc3545 !important;
        transform: translateX(5px);
        box-shadow: 0 2px 8px var(--shadow);
    }

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

    .loading-overlay .spinner-border {
        width: 3rem;
        height: 3rem;
    }

.card-header {
    border-radius: 10px 10px 0 0 !important;
}

.btn-danger {
    background-color: #ff0000;
    border-color: #ff0000;
}

    .btn-danger:hover {
        background-color: #cc0000;
        border-color: #cc0000;
    }

/* Karanlık Mod Toggle */
.theme-toggle {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 1000;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 10px 20px;
    cursor: pointer;
    box-shadow: 0 2px 10px var(--shadow);
    transition: all 0.3s ease;
}

    .theme-toggle:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 15px var(--shadow);
    }

    .theme-toggle i {
        font-size: 1.2rem;
        color: var(--text-primary);
    }

/* SELECT ve COMBOBOX Karanlık Mod */
.form-select,
select {
    background-color: var(--select-bg) !important;
    color: var(--select-text) !important;
    border-color: var(--select-border) !important;
    transition: all 0.3s ease;
}

    .form-select:focus,
    select:focus {
        background-color: var(--select-bg) !important;
        color: var(--select-text) !important;
        border-color: #dc3545 !important;
        box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    }

    .form-select option,
    select option {
        background-color: var(--select-bg);
        color: var(--select-text);
    }

[data-theme="dark"] .form-select,
[data-theme="dark"] select {
    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='%23e9ecef' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

/* Modal Karanlık Mod */
.modal-dark {
    background-color: var(--modal-bg);
    color: var(--modal-text);
    border: 1px solid var(--border-color);
}

    .modal-dark .modal-body {
        background-color: var(--modal-bg);
        color: var(--modal-text);
    }

.modal-text {
    color: var(--modal-text);
}

[data-theme="dark"] .modal-backdrop {
    background-color: rgba(0, 0, 0, 0.8);
}

[data-theme="dark"] .progress {
    background-color: var(--bg-secondary);
}

/* Progress List */
.download-progress-list {
    max-height: 300px;
    overflow-y: auto;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 15px;
}

.download-item {
    padding: 8px 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    background-color: var(--bg-card);
    border-left: 3px solid #6c757d;
    transition: all 0.3s ease;
}

    .download-item.downloading {
        border-left-color: #ffc107;
        animation: pulse 1.5s ease-in-out infinite;
    }

    .download-item.completed {
        border-left-color: #28a745;
    }

    .download-item.error {
        border-left-color: #dc3545;
    }

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* Navbar Dark Mode */
.navbar-dark {
    background-color: #000000 !important;
}

[data-theme="dark"] .navbar-dark {
    background-color: #000000 !important;
}

/* Text Colors */
.text-muted {
    color: var(--text-secondary) !important;
}

/* Form Controls */
.form-control {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-color);
}

    .form-control:focus {
        background-color: var(--bg-card);
        color: var(--text-primary);
        border-color: #dc3545;
        box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    }

/* Badges */
[data-theme="dark"] .badge {
    background-color: var(--bg-secondary) !important;
}

/* Scrollbar Styling */
.format-list::-webkit-scrollbar,
.download-progress-list::-webkit-scrollbar {
    width: 8px;
}

.format-list::-webkit-scrollbar-track,
.download-progress-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

.format-list::-webkit-scrollbar-thumb,
.download-progress-list::-webkit-scrollbar-thumb {
    background: #dc3545;
    border-radius: 10px;
}

    .format-list::-webkit-scrollbar-thumb:hover,
    .download-progress-list::-webkit-scrollbar-thumb:hover {
        background: #c82333;
    }

/* Alert Dark Mode */
[data-theme="dark"] .alert-danger {
    background-color: #721c24;
    border-color: #f5c6cb;
    color: #f8d7da;
}

[data-theme="dark"] .alert-info {
    background-color: #0c5460;
    border-color: #bee5eb;
    color: #d1ecf1;
}

[data-theme="dark"] .alert-warning {
    background-color: #856404;
    border-color: #ffeaa7;
    color: #fff3cd;
}

/* Footer */
.footer {
    background-color: var(--bg-secondary) !important;
    color: var(--text-secondary);
}

/* Input Group */
[data-theme="dark"] .input-group .btn {
    border-color: var(--border-color);
}

/* Animation for theme switch */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Spinner Animation */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.spinner-border {
    animation: spin 0.75s linear infinite !important;
}

/* Modal Animation */
.modal.fade .modal-dialog {
    transform: scale(0.8);
    transition: transform 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: scale(1);
}

/* Progress Bar Animation */
@keyframes progress-bar-stripes {
    0% {
        background-position: 1rem 0;
    }

    100% {
        background-position: 0 0;
    }
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

/* Progress bar */
.progress {
    background-color: var(--bg-secondary);
}

/* Playlist Styles */
.playlist-video-card {
    transition: all 0.2s ease;
    cursor: pointer;
}

    .playlist-video-card:hover {
        transform: translateX(5px);
        box-shadow: 0 2px 8px var(--shadow);
    }

    .playlist-video-card .form-check-input {
        width: 1.5em;
        height: 1.5em;
        cursor: pointer;
    }

        .playlist-video-card .form-check-input:checked {
            background-color: #dc3545;
            border-color: #dc3545;
        }

#selectedCount {
    font-weight: bold;
    color: #fff;
}

/* Playlist Search Card */
.playlist-search-card {
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

    .playlist-search-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px var(--shadow);
    }

    .playlist-search-card img {
        height: 200px;
        object-fit: cover;
    }

/* Branding Styles */
.brand-main {
    font-size: 1.25rem;
    font-weight: bold;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: normal;
    margin-top: -2px;
}

.navbar-brand .brand-subtitle {
    color: rgba(255, 255, 255, 0.5);
}

.footer .brand-subtitle {
    color: var(--text-secondary);
    font-size: 0.7rem;
}

.card-body .brand-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Geri git butonu */
.btn-outline-secondary {
    transition: all 0.3s ease;
}

    .btn-outline-secondary:hover {
        transform: translateX(-3px);
    }

    .btn-outline-secondary i {
        transition: transform 0.3s ease;
    }

    .btn-outline-secondary:hover i.bi-arrow-left-circle {
        transform: translateX(-3px);
    }

/* Scroll Loading */
#scrollLoading {
    padding: 40px 0;
}

    #scrollLoading .spinner-border {
        width: 3rem;
        height: 3rem;
    }

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Playlist Video Card Animation */
.playlist-video-card {
    animation: fadeInUp 0.3s ease-in-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* End Message */
#endMessage {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}