/* ========================================
   Button Components - DRY Refactored
   ======================================== */

/* ========================================
   1. BASE BUTTON STYLES
   ======================================== */

.btn,
button[type="button"],
button[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border: none;
    border-radius: 5px;
    background-color: transparent;
    color: var(--color-text-primary);
    text-decoration: none;
    font-family: var(--font-primary);
    font-size: var(--text-button);
    font-weight: var(--font-medium);
    line-height: var(--leading-tight);
    cursor: pointer;
    transition: all 0.2s ease;
    box-sizing: border-box;
    white-space: nowrap;
}

button:disabled,
.btn:disabled,
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========================================
   2. BUTTON SIZE VARIANTS
   ======================================== */

.btn-sm {
    padding: 6px 12px;
    font-size: var(--text-small);
    min-height: 32px;
}

.btn-lg {
    padding: 15px 40px;
    font-size: var(--text-button);
    min-height: 48px;
}

/* ========================================
   3. BUTTON COLOR VARIANTS
   ======================================== */

/* Primary (Green - Brand Color) */
.btn-primary {
    background-color: var(--color-brand-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: #45a049;
}

/* Secondary (Gray) */
.btn-secondary {
    background-color: #555;
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #666;
}

/* Ghost/Outline */
.btn-ghost {
    background-color: transparent;
    border: 1px solid var(--color-border-primary);
    color: var(--color-text-disabled);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-bg-input);
    color: var(--color-text-muted);
    border-color: var(--color-border-secondary);
}

.btn-ghost.active {
    background-color: var(--color-bg-input);
    color: var(--color-brand-primary);
    border-color: var(--color-brand-primary);
}

/* Transparent */
.btn-transparent {
    background-color: transparent;
    color: inherit;
    padding: 5px 10px;
}

.btn-transparent:hover:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.1);
}

/* ========================================
   4. HEADER NAVIGATION BUTTONS
   ======================================== */

/* Base Header Button Style */
.btn-header {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0.5rem 1rem;
    height: 36px;
    text-decoration: none;
    font-size: var(--text-body);
    font-weight: var(--font-semibold);
    border-radius: 6px;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

/* ========================================
   Header Navigation Buttons - Unified Design
   ======================================== */

/* Admin Button */
.btn-admin-header {
    background-color: rgba(76, 175, 80, 0.12);
    color: var(--color-brand-primary);
    border: 1px solid rgba(76, 175, 80, 0.25);
}

.btn-admin-header:hover {
    background-color: rgba(76, 175, 80, 0.2);
    border-color: var(--color-brand-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.2);
}

/* Favorites Button */
.btn-favorites-header {
    background-color: rgba(243, 156, 18, 0.12);
    color: var(--color-accent-orange);
    border: 1px solid rgba(243, 156, 18, 0.25);
}

.btn-favorites-header:hover {
    background-color: rgba(243, 156, 18, 0.2);
    border-color: var(--color-accent-orange);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.2);
}

/* Analytics Button */
.btn-analytics-header {
    background-color: rgba(26, 115, 232, 0.12);
    color: var(--color-accent-blue);
    border: 1px solid rgba(26, 115, 232, 0.25);
}

.btn-analytics-header:hover {
    background-color: rgba(26, 115, 232, 0.2);
    border-color: var(--color-accent-blue);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.2);
}

/* Google Sign-In */
.btn-google-signin {
    background-color: #4285F4;
    color: white;
    padding: 0.75rem 1.5rem;
}

.btn-google-signin:hover {
    background-color: #357ae8;
}

/* Navigation Link Containers */
.admin-nav-link {
    margin-left: auto;
    margin-right: 1rem;
}

.favorites-nav-link,
.analytics-nav-link {
    margin-right: 1rem;
}

/* ========================================
   5. FILTER & VIEW TOGGLE BUTTONS
   ======================================== */

/* Base Filter Button */
.filter-btn,
.filter-btn-compact {
    padding: 10px 16px;
    border: 1px solid var(--color-border-secondary);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn-compact:hover {
    background: #333333;
    border-color: #555;
}

.filter-btn.active,
.filter-btn-compact.active {
    background: #3b82f6;
    border-color: #3b82f6;
    font-weight: var(--font-semibold);
}

/* Compact variant specific styles */
.filter-btn-compact {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    line-height: 1;
}

/* View Toggle & Date Filter share base ghost style */
.view-toggle-btn,
.date-filter-btn {
    background-color: transparent;
    color: var(--color-text-disabled);
    border: 1px solid var(--color-border-primary);
    padding: 8px 12px;
    border-radius: 5px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--text-body);
    line-height: var(--leading-tight);
    transition: all 0.2s ease;
}

.view-toggle-btn:hover,
.date-filter-btn:hover {
    background-color: var(--color-bg-input);
    color: var(--color-text-muted);
    border-color: var(--color-border-secondary);
}

.view-toggle-btn.active {
    background-color: var(--color-bg-input);
    color: var(--color-brand-primary);
    border-color: var(--color-brand-primary);
}

/* Date filter specific */
.date-filter-btn {
    gap: 8px;
}

.date-filter-btn .dropdown-arrow {
    font-size: 10px;
    transition: transform 0.2s ease;
}

.date-filter-btn.active .dropdown-arrow {
    transform: rotate(180deg);
}

/* ========================================
   6. ACTION BUTTONS (Copy, Download, etc.)
   ======================================== */

/* Small action buttons (copy, download, console-clear) */
.copy-btn,
.download-btn,
.console-clear-btn {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: var(--text-small);
    font-weight: var(--font-medium);
    line-height: var(--leading-tight);
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn,
.download-btn {
    background-color: #555;
    color: white;
    border: none;
}

.copy-btn:hover,
.download-btn:hover {
    background-color: #666;
}

.copy-btn:focus,
.download-btn:focus {
    outline: 2px solid var(--color-brand-primary);
    outline-offset: 2px;
}

.console-clear-btn {
    background-color: transparent;
    color: #888;
    border: 1px solid var(--color-border-secondary);
    padding: 4px 10px;
}

.console-clear-btn:hover {
    background-color: var(--color-bg-input);
    color: var(--color-text-muted);
    border-color: #555;
}

/* ========================================
   7. SPECIALIZED BUTTONS
   ======================================== */

/* Submit Button (Full Width Forms) */
.btn-submit {
    width: 100%;
    padding: 15px 40px;
    background-color: var(--color-brand-primary);
    color: white;
    font-weight: var(--font-semibold);
}

.btn-submit:hover:not(:disabled) {
    background-color: #45a049;
}

/* Batch Analyze Inline */
.batch-analyze-inline {
    height: 36px;
    min-width: 200px;
    padding: 8px 16px;
    font-size: 14px;
}

.batch-analyze-inline:disabled,
.batch-analyze-inline.btn-disabled {
    background: #333;
    color: #666;
    border: 1px solid var(--color-border-secondary);
}

.batch-analyze-inline:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

/* Settings Toggle (Icon Button) */
.settings-toggle-btn {
    width: 38px;
    min-width: 38px;
    height: 38px;
    padding: 0;
    background-color: transparent;
    border: 1px solid var(--color-border-primary);
    font-size: 16px;
}

.settings-toggle-btn:hover {
    background-color: var(--color-bg-input);
    border-color: var(--color-brand-primary);
}

/* Favorite Button (Star Icon) */
.favorite-btn {
    background: transparent;
    border: none;
    padding: 5px 10px;
    font-size: 28px;
    color: #666666;
    border-radius: 4px;
}

.favorite-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffcc00;
}

.favorite-btn.favorited {
    color: #ffcc00;
}

/* Watch on YouTube Button */
.watch-youtube-btn {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background-color: #FF0000;
    color: white;
    padding: 10px 20px;
    font-weight: var(--font-bold);
}

.watch-youtube-btn:hover {
    background-color: #CC0000;
}

/* Timeline Button */
.btn-timeline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-secondary);
    border-radius: 6px;
    color: var(--color-text-primary);
    font-size: 15px;
    text-decoration: none;
    margin-bottom: 12px;
}

.btn-timeline:hover {
    background: #333333;
    border-color: #555555;
    transform: translateX(2px);
    text-decoration: none;
}

/* ========================================
   8. TRANSCRIPT BUTTONS
   ======================================== */

/* Base Transcript Button */
.transcript-btn,
.transcript-btn-sm {
    background-color: #4a9c6d;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.transcript-btn {
    padding: 8px 16px;
    font-size: var(--text-body);
    font-weight: var(--font-medium);
    display: inline-block;
}

.transcript-btn-sm {
    padding: 3px 6px;
    font-size: 11px;
    line-height: 1.2;
    display: inline-block;
    vertical-align: middle;
}

.transcript-btn:hover,
.transcript-btn-sm:hover {
    background-color: #3d8a5d;
}

.transcript-btn-load {
    background-color: #6b7280;
}

.transcript-btn-load:hover {
    background-color: #4b5563;
}

/* ========================================
   9. UTILITY CLASSES
   ======================================== */

.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.btn-icon {
    font-size: inherit;
    line-height: 1;
}

/* ========================================
   10. RESPONSIVE STYLES
   ======================================== */

@media (max-width: 768px) {
    .btn-header,
    .btn-admin-header,
    .btn-favorites-header,
    .btn-analytics-header {
        padding: 0.4rem 0.75rem;
        font-size: var(--text-small);
    }

    .favorites-count-badge {
        padding: 1px 6px;
        font-size: 0.65rem;
    }

    .btn-google-signin {
        padding: 0.6rem 1.2rem;
        font-size: var(--text-small);
    }
}