/* Import design tokens from main stylesheet */
:root {
    --color-primary: #0d6efd;
    --color-primary-dark: #0a58ca;
    --color-text-primary: #222222;
    --color-text-secondary: #717171;
    --color-background-secondary: #F7F7F7;
    --color-border-light: #EBEBEB;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.12);
}

/* Admin-specific overrides */
.table-responsive {
    margin-top: var(--space-5);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.table {
    margin-bottom: 0;
}

.table thead {
    background-color: var(--color-background-secondary);
}

.table thead th {
    font-weight: 600;
    color: var(--color-text-primary);
    border-bottom: 2px solid var(--color-border-light);
    padding: var(--space-4);
}

.table tbody td {
    padding: var(--space-4);
    vertical-align: middle;
}

/* Form styles */
.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-label {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-control, .form-select {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    padding: var(--space-3) var(--space-4);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 56, 92, 0.1);
}

.video-preview {
    max-width: 100%;
    margin-top: var(--space-3);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

/* Login page styles */
.card {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: box-shadow 0.3s, transform 0.3s;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12) !important;
    transform: translateY(-2px);
}

/* Drag and drop zone */
.drag-drop-zone {
    border: 2px dashed var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    text-align: center;
    background-color: var(--color-background-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    margin-bottom: var(--space-4);
}

.drag-drop-zone:hover {
    border-color: var(--color-primary);
    background-color: #fff5f7;
}

.drag-drop-zone.dragover {
    border-color: var(--color-primary);
    background-color: #ffe8ed;
    box-shadow: 0 0 10px rgba(255, 56, 92, 0.2);
}

.drag-drop-zone i.bi-cloud-upload {
    font-size: 2.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    display: block;
}

.drag-drop-zone p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

.drag-drop-zone input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

/* File upload messages */
.alert {
    margin-top: var(--space-3);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    animation: fadeIn 0.3s ease-in;
    border: none;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}