/**
 * Embedded Homework Answers Styles for Vault Viewer
 * Native homework answers display without iframes
 */

:root {
    --homework-answers-primary: var(--primary-color, #C90C0F);
    --homework-answers-secondary: var(--secondary-color, #FAB719);
    --homework-answers-text: #1f2937;
    --homework-answers-font-multiplier: 1.0;
}

/* Vault viewer: layout from homework accessibility_profile (API metadata.vault_embed_layout_classes) */
.homework-answers-native-container.vault-embed-layout-large-print {
    --homework-answers-font-multiplier: 1.22;
}

.homework-answers-native-container.vault-embed-layout-low-clutter .homework-answer-text {
    line-height: 1.55;
}

.homework-answers-native-container.vault-embed-layout-cream-buff {
    background: rgba(255, 247, 230, 0.1);
    border-radius: 10px;
}

/* Key vocabulary / stems (homework answers slide; matches projector-style contrast) */
.homework-answers-access-vocab {
    width: 100%;
    max-width: min(960px, 100%);
    margin: 0 auto 1.5rem;
    padding: 0.75rem 1rem;
    text-align: left;
    border: 2px solid var(--homework-answers-secondary, #FAB719);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    box-sizing: border-box;
}

.homework-answers-access-vocab h4 {
    margin: 0 0 0.4rem;
    font-size: calc(1rem * var(--homework-answers-font-multiplier, 1));
    color: var(--homework-answers-secondary, #FAB719);
}

.homework-answers-access-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
}

.homework-answers-access-keyword {
    background: var(--homework-answers-secondary, #FAB719);
    color: #1f2937;
    border-radius: 999px;
    padding: 0.15em 0.55em;
    font-size: calc(0.82rem * var(--homework-answers-font-multiplier, 1));
    font-weight: 700;
}

.homework-answers-access-stems {
    margin: 0.25rem 0 0;
    padding-left: 1.25rem;
    font-size: calc(0.95rem * var(--homework-answers-font-multiplier, 1));
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.95);
}

.homework-answers-native-container {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
}

.homework-answers-error {
    padding: 40px;
    text-align: center;
    color: #dc2626;
    font-size: calc(1.2rem * var(--homework-answers-font-multiplier));
}

.homework-answers-error i {
    font-size: calc(3rem * var(--homework-answers-font-multiplier));
    margin-bottom: 20px;
    display: block;
}

.homework-answers-loading {
    padding: 40px;
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: calc(1.2rem * var(--homework-answers-font-multiplier, 1));
}

.homework-answers-loading p {
    margin: 0;
}

.homework-answers-container {
    width: 100%;
    max-width: min(1200px, calc(100vw - 240px));
    height: 100%;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
    background: transparent;
    color: white;
    font-family: 'Rockwell', 'Times New Roman', serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.homework-answers-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.homework-answers-tab {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: calc(0.8rem * var(--homework-answers-font-multiplier)) calc(1.5rem * var(--homework-answers-font-multiplier));
    border-radius: 12px;
    font-size: calc(1.1rem * var(--homework-answers-font-multiplier));
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Rockwell', serif;
}

.homework-answers-tab:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.homework-answers-tab.active {
    background: var(--homework-answers-secondary);
    border-color: var(--homework-answers-secondary);
    color: var(--homework-answers-text);
}

.homework-answers-content {
    width: 100%;
    position: relative;
}

.homework-answers-section {
    display: none;
}

.homework-answers-section.active {
    display: block;
}

/* When showing all sections, add spacing between them */
.homework-answers-section.active + .homework-answers-section.active {
    margin-top: 40px;
}

.homework-answers-section-header {
    font-size: calc(1.8rem * var(--homework-answers-font-multiplier));
    font-weight: bold;
    color: var(--homework-answers-secondary);
    text-align: center;
    margin-bottom: 25px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.homework-answers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    align-items: start;
}

.homework-answer-item {
    background: white;
    border-radius: 12px;
    padding: calc(1rem * var(--homework-answers-font-multiplier));
    border-left: 4px solid var(--homework-answers-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 80px;
    transition: transform 0.2s ease;
    position: relative;
    overflow: hidden;
}

/* Colored overlays for each section */
.homework-answer-item-spiral::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(201, 12, 15, 0.25); /* Red overlay - #C90C0F with 25% opacity */
    pointer-events: none;
    z-index: 0;
}

.homework-answer-item-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 183, 25, 0.25); /* Amber overlay - #FAB719 with 25% opacity */
    pointer-events: none;
    z-index: 0;
}

.homework-answer-item-apply::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(40, 167, 69, 0.25); /* Green overlay - #28a745 with 25% opacity */
    pointer-events: none;
    z-index: 0;
}

/* Ensure content appears above overlay */
.homework-answer-item > * {
    position: relative;
    z-index: 1;
}

.homework-answer-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.homework-answer-number {
    font-size: calc(1.2rem * var(--homework-answers-font-multiplier));
    font-weight: bold;
    color: var(--homework-answers-primary);
    margin-bottom: 5px;
}

.homework-answer-text {
    font-size: calc(2.5rem * var(--homework-answers-font-multiplier));
    line-height: 1.6;
    color: var(--homework-answers-text);
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: left;
}

.homework-answer-diagram {
    margin-top: 10px;
    text-align: center;
}

.homework-diagram-image {
    max-width: 100%;
    height: 200px;
    max-height: 200px;
    width: auto;
    object-fit: contain;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.homework-diagram-image:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Mathematical notation styling */
.homework-answer-text .katex {
    font-size: inherit;
}

.homework-answer-text .katex-display {
    margin: 0.5rem 0;
}

/* Diagram modal */
.homework-diagram-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    cursor: pointer;
}

.homework-diagram-modal img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
}

.homework-diagram-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    line-height: 1;
}

.homework-diagram-close:hover {
    color: #ccc;
}

/* Responsive design */
@media (max-width: 1024px) {
    .homework-answers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet view (769px–1024px): match narrower sidebar (160px + 40px padding) */
@media (min-width: 769px) and (max-width: 1024px) {
    .homework-answers-container {
        max-width: min(1200px, calc(100vw - 200px));
    }
}

@media (max-width: 768px) {
    .homework-answers-container {
        padding: 10px;
    }
    
    .homework-answers-grid {
        grid-template-columns: 1fr;
    }
    
    .homework-answer-item {
        text-align: center;
    }
    
    .homework-answer-text {
        text-align: center;
    }
}