/**
 * PinkCode Lesson Notes Section - Styles
 * 
 * Tabbed notes system with collapsible cards
 * 
 * @package PinkCodeLessonBeautifier
 */

/* ============================================
   NOTES PANEL
   ============================================ */
.pinkcode-notes-panel {
    background: var(--pinkcode-white);
    border-radius: var(--pinkcode-radius);
    box-shadow: var(--pinkcode-shadow-md);
    margin: 30px 0;
    overflow: hidden;
    position: relative;
    z-index: 5;
}

.pinkcode-notes-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 25px;
    background: linear-gradient(135deg, var(--pinkcode-primary), var(--pinkcode-secondary));
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pinkcode-notes-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(1, 207, 221, 0.3);
}

.pinkcode-notes-icon {
    flex-shrink: 0;
}

.pinkcode-notes-label {
    flex: 1;
    text-align: left;
}

.pinkcode-chevron {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.pinkcode-notes-toggle[aria-expanded="true"] .pinkcode-chevron {
    transform: rotate(180deg);
}

.pinkcode-notes-saved {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ============================================
   TABS NAVIGATION
   ============================================ */
.pinkcode-notes-tabs {
    display: flex;
    gap: 4px;
    padding: 0 16px;
    border-bottom: 1px solid #e5e7eb;
    background: white;
    overflow-x: auto;
}

/* Webkit scrollbar styling for better browser support */
.pinkcode-notes-tabs::-webkit-scrollbar {
    height: 4px;
}

.pinkcode-notes-tabs::-webkit-scrollbar-track {
    background: #f3f4f6;
}

.pinkcode-notes-tabs::-webkit-scrollbar-thumb {
    background: var(--pinkcode-primary);
    border-radius: 10px;
}

.pinkcode-notes-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--pinkcode-text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 44px; /* Touch target */
}

.pinkcode-notes-tab:hover {
    color: var(--pinkcode-text);
    background: var(--pinkcode-bg);
}

.pinkcode-notes-tab.active {
    color: var(--pinkcode-text);
    border-bottom-color: currentColor;
}

.pinkcode-tab-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* ============================================
   TAB PANELS
   ============================================ */
.pinkcode-notes-panels {
    padding: 25px;
}

.pinkcode-notes-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.pinkcode-panel-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pinkcode-text);
    margin: 0;
    padding-left: 15px;
    border-left: 4px solid var(--pinkcode-primary);
}

.pinkcode-panel-actions {
    display: flex;
    gap: 10px;
}

.pinkcode-add-card,
.pinkcode-insert-timestamp {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--pinkcode-bg);
    border: 1px solid var(--pinkcode-border);
    border-radius: var(--pinkcode-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pinkcode-text);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pinkcode-add-card:hover {
    background: linear-gradient(135deg, rgba(1, 207, 221, 0.1), rgba(69, 123, 157, 0.1));
    border-color: var(--pinkcode-primary);
    transform: translateY(-2px);
}

.pinkcode-insert-timestamp {
    padding: 8px;
}

.pinkcode-insert-timestamp:hover {
    background: var(--pinkcode-primary);
    border-color: var(--pinkcode-primary);
    color: white;
}

/* ============================================
   CARDS CONTAINER
   ============================================ */
.pinkcode-cards-container {
    min-height: 100px;
}

.pinkcode-empty-message {
    text-align: center;
    color: var(--pinkcode-text-light);
    font-style: italic;
    padding: 40px 20px;
}

/* ============================================
   NOTE CARDS
   ============================================ */
.pinkcode-note-card {
    background: var(--pinkcode-white);
    border: 1px solid var(--pinkcode-border);
    border-left: 4px solid var(--pinkcode-primary);
    border-radius: var(--pinkcode-radius-sm);
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.pinkcode-note-card:hover {
    box-shadow: var(--pinkcode-shadow-sm);
}

.pinkcode-note-card.collapsed .pinkcode-card-body {
    display: none;
}

.pinkcode-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: var(--pinkcode-bg);
    border-bottom: 1px solid var(--pinkcode-border);
    cursor: pointer;
}

.pinkcode-card-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--pinkcode-text);
    margin: 0;
}

.pinkcode-card-actions {
    display: flex;
    gap: 8px;
}

.pinkcode-delete-card {
    padding: 6px;
    background: transparent;
    border: none;
    color: var(--pinkcode-text-light);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.pinkcode-delete-card:hover {
    background: #ef4444;
    color: white;
}

.pinkcode-card-body {
    padding: 15px;
}

.pinkcode-note-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--pinkcode-border);
    border-radius: var(--pinkcode-radius-sm);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--pinkcode-text);
    resize: vertical;
    min-height: 100px;
    transition: border-color 0.3s ease;
}

.pinkcode-note-textarea:focus {
    outline: none;
    border-color: var(--pinkcode-primary);
    box-shadow: 0 0 0 3px rgba(1, 207, 221, 0.1);
}

/* Timestamp hint for users */
.pinkcode-note-textarea::placeholder {
    color: var(--pinkcode-text-light);
    opacity: 0.7;
}

.pinkcode-card-body::after {
    content: "💡 Tip: Click on any timestamp [00:00:00] in your notes to seek the video to that time!";
    display: block;
    margin-top: 10px;
    padding: 8px 12px;
    background: linear-gradient(135deg, rgba(1, 207, 221, 0.1) 0%, rgba(147, 51, 234, 0.1) 100%);
    border-left: 3px solid var(--pinkcode-primary);
    border-radius: 4px;
    font-size: 0.8125rem;
    color: var(--pinkcode-text-light);
    line-height: 1.4;
}

.pinkcode-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.pinkcode-char-count {
    font-size: 0.75rem;
    color: var(--pinkcode-text-light);
}

/* ============================================
   NOTES FOOTER
   ============================================ */
.pinkcode-notes-footer {
    display: flex;
    gap: 12px;
    padding: 20px 25px;
    background: var(--pinkcode-bg);
    border-top: 2px solid var(--pinkcode-border);
}

.pinkcode-export-notes,
.pinkcode-share-notes {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--pinkcode-white);
    border: 2px solid var(--pinkcode-primary);
    border-radius: var(--pinkcode-radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--pinkcode-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pinkcode-export-notes:hover {
    background: var(--pinkcode-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--pinkcode-shadow-md);
}

.pinkcode-share-notes {
    border-color: var(--pinkcode-secondary);
    color: var(--pinkcode-secondary);
}

.pinkcode-share-notes:hover {
    background: var(--pinkcode-secondary);
    color: white;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .pinkcode-notes-toggle {
        padding: 15px 20px;
        font-size: 0.9375rem;
    }
    
    .pinkcode-notes-tabs {
        padding: 10px 15px 0;
    }
    
    .pinkcode-notes-tab {
        padding: 10px 15px;
        font-size: 0.875rem;
    }
    
    .pinkcode-notes-panels {
        padding: 20px 15px;
    }
    
    .pinkcode-panel-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .pinkcode-add-card,
    .pinkcode-insert-timestamp {
        width: 100%;
        justify-content: center;
    }
    
    .pinkcode-notes-footer {
        flex-direction: column;
        gap: 10px;
    }
    
    .pinkcode-export-notes,
    .pinkcode-share-notes {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   VIDEO SEEK INDICATOR
   ============================================ */
.pinkcode-seek-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 20px 30px;
    border-radius: 12px;
    font-size: 1.25rem;
    font-weight: 600;
    z-index: 999999;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 10px;
}