/* ============================================
   EDUCOAST - IEB DOCUMENT PAGE
   Professional UI v2.0
   ============================================ */

/* --- CSS Variables / Theme --- */
:root {
    --edu-blue-900: #1e3a8a;
    --edu-blue-800: #1e40af;
    --edu-blue-700: #1d4ed8;
    --edu-blue-600: #2563eb;
    --edu-blue-500: #3b82f6;
    --edu-blue-400: #60a5fa;
    --edu-blue-100: #dbeafe;
    --edu-blue-50:  #eff6ff;

    --text-dark:    #0f172a;
    --text-body:    #1e293b;
    --text-muted:   #64748b;
    --text-light:   #94a3b8;

    --border-light: #e2e8f0;
    --border-focus: #3b82f6;

    --bg-page:      #f0f4f8;
    --bg-card:      #ffffff;
    --bg-subtle:    #f8fafc;
    --bg-input:     #f8fafc;

    --shadow-sm:    0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:    0 4px 12px rgba(0,0,0,0.07), 0 2px 6px rgba(0,0,0,0.04);
    --shadow-lg:    0 10px 30px rgba(0,0,0,0.09), 0 4px 12px rgba(0,0,0,0.05);
    --shadow-blue:  0 4px 14px rgba(29, 78, 216, 0.25);

    --radius-sm:    6px;
    --radius-md:    10px;
    --radius-lg:    14px;
    --radius-xl:    20px;
    --radius-full:  9999px;

    --transition:   all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-page);
    color: var(--text-body);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   LAYOUT
   ============================================ */
.main-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
    max-width: 1180px;
    margin: 32px auto;
    padding: 0 20px;
    align-items: start;
}

/* ============================================
   CARD
   ============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.p-25 { padding: 24px; }

/* ============================================
   DOCUMENT HEADER
   ============================================ */
.doc-header-wrap {
    display: flex;
    gap: 22px;
    padding: 28px;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, #ffffff 0%, var(--edu-blue-50) 100%);
    position: relative;
    overflow: hidden;
}

/* Decorative background accent */
.doc-header-wrap::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, var(--edu-blue-100) 0%, transparent 70%);
    pointer-events: none;
}

.doc-thumbnail {
    width: 85px;
    height: 110px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
    transition: var(--transition);
}

.doc-thumbnail:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.doc-title-section {
    flex: 1;
    min-width: 0;
}

.doc-title-section h1 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--edu-blue-900);
    margin: 0 0 14px 0;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

/* ============================================
   META BADGES
   ============================================ */
.doc-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    margin-bottom: 4px;
}

.doc-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-light);
    padding: 4px 11px;
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.doc-meta span:hover {
    background: var(--edu-blue-100);
    border-color: var(--edu-blue-400);
    color: var(--edu-blue-800);
    transform: translateY(-1px);
}

.doc-meta span svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

/* ============================================
   RATING AREA
   ============================================ */
.header-rating-area {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding: 10px 14px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    width: fit-content;
}

.header-rating-area .interactive-stars {
    margin: 0;
    justify-content: flex-start;
}

.header-rating-area  p {
    font-weight: 500;
    color: #475569;
}

.header-rating-area .interactive-stars svg {
    width: 20px;
    height: 20px;
}

.header-rating-area .rating-stats {
    text-align: left;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Stars */
.interactive-stars {
    display: flex;
    gap: 3px;
    cursor: pointer;
    color: #cbd5e1;
    margin: 10px 0;
    justify-content: center;
}

.interactive-stars svg {
    width: 22px;
    height: 22px;
    fill: none;
    transition: var(--transition);
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}

.interactive-stars svg.active,
.interactive-stars:hover svg {
    transform: scale(1.15);
}

.star-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.star-wrap:hover {
    transform: scale(1.2);
}

.rating-stats {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* default (empty) */
#interactive-stars .star-wrap svg {
  fill: none !important;
  stroke: #cbd5e1 !important;
}

/* filled */
#interactive-stars .star-wrap svg.is-filled {
  fill: #facc15 !important;
  stroke: #facc15 !important;
}

/* ============================================
   PDF VIEWER
   ============================================ */
.pdf-viewer-wrapper {
    background: #e8edf2;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    position: relative;
}

.canvas-container {
    width: 100%;
    height: 78vh;
    overflow-y: auto;
    background: #dde3ea;
    padding: 16px;
    scroll-behavior: smooth;

    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--edu-blue-400) transparent;
}

.canvas-container::-webkit-scrollbar {
    width: 6px;
}

.canvas-container::-webkit-scrollbar-track {
    background: transparent;
}

.canvas-container::-webkit-scrollbar-thumb {
    background: var(--edu-blue-400);
    border-radius: var(--radius-full);
}

.pdf-page {
    margin-bottom: 16px;
    display: block;
    width: 100%;
    transition: var(--transition);
}

.pdf-page:hover {
    transform: scale(1.003);
}

.pdf-page canvas {
    width: 100% !important;
    height: auto !important;
    display: block;
    border-radius: var(--radius-md);
    box-shadow: 0 6px 20px rgba(0,0,0,0.10);
    background: white;
}

/* Fullscreen button */
.viewer-overlay-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 50;
    background: rgba(15, 23, 42, 0.65);
    color: white;
    border-radius: var(--radius-full);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    transition: var(--transition);
}

.viewer-overlay-btn:hover {
    background: rgba(15, 23, 42, 0.9);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.viewer-overlay-btn svg {
    width: 16px;
    height: 16px;
}

/* Not PDF */
.not-pdf-message {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--text-muted);
    background: var(--bg-subtle);
    font-size: 0.9rem;
    gap: 8px;
    flex-direction: column;
}

/* ============================================
   ACTION BAR
   ============================================ */
.action-bar {
    padding: 18px 28px;
    background: var(--bg-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    gap: 16px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--edu-blue-700), var(--edu-blue-600));
    color: #fff;
    padding: 10px 22px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-blue);
    letter-spacing: 0.01em;
}

.btn-download:hover {
    background: linear-gradient(135deg, var(--edu-blue-900), var(--edu-blue-700));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(29, 78, 216, 0.35);
    color: #fff;
}

.btn-download:active {
    transform: translateY(0);
}

.btn-download svg {
    width: 16px;
    height: 16px;
}

/* Share */
.share-section {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.share-btn {
    background: var(--bg-subtle);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--edu-blue-700);
    cursor: pointer;
    transition: var(--transition);
}

.share-btn:hover {
    background: var(--edu-blue-100);
    border-color: var(--edu-blue-400);
    transform: scale(1.12);
    box-shadow: var(--shadow-sm);
}

.share-btn svg {
    width: 15px;
    height: 15px;
}

/* ============================================
   DISCUSSION SECTION
   ============================================ */
.discussion-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--edu-blue-900);
    margin: 0 0 22px 0;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.discussion-title svg {
    width: 20px;
    height: 20px;
    color: var(--edu-blue-500);
}

/* Form */
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--bg-input);
    color: var(--text-body);
    margin-bottom: 10px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-control::placeholder {
    color: var(--text-light);
}

textarea.form-control {
    resize: vertical;
    min-height: 90px;
}

/* NEW: Discussion name/email row (desktop) */
.discussion-fields {
    display: grid;
    grid-template-columns: 1fr 1fr; /* name + email on one row (desktop/tablet) */
    gap: 10px;
    margin-bottom: 10px;
}

/* Prevent grid children from overflowing on narrow widths */
.discussion-fields .form-control {
    min-width: 0;
    margin-bottom: 0; /* spacing handled by grid gap */
}

.btn-submit {
    background: linear-gradient(135deg, var(--text-dark), #334155);
    color: white;
    padding: 11px 20px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    width: 100%;
    transition: var(--transition);
    letter-spacing: 0.01em;
    box-shadow: var(--shadow-sm);
}

.btn-submit:hover {
    background: linear-gradient(135deg, #0f172a, var(--text-dark));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   COMMENTS
   ============================================ */
.comments-list {
    margin-top: 10px;
}

.comment-box {
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    margin-bottom: 10px;
    transition: var(--transition);
    background: var(--bg-subtle);
}

.comment-box:hover {
    background: var(--edu-blue-50);
    border-color: var(--edu-blue-100);
    transform: translateX(3px);
}

.comment-box:last-child {
    margin-bottom: 0;
}

.comment-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    gap: 10px;
}

.comment-head strong {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 6px;
}

.comment-head strong svg {
    width: 14px;
    height: 14px;
    color: var(--edu-blue-500);
}

.comment-head small {
    font-size: 0.75rem;
    color: var(--text-light);
    white-space: nowrap;
    background: var(--bg-card);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-light);
}

.comment-body {
    color: #475569;
    font-size: 0.88rem;
    line-height: 1.6;
    margin: 0;
}

/* No comments placeholder */
#no-comments {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 30px 0;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-subtle);
}

/* ============================================
   SIDEBAR
   ============================================ */
aside {
    position: sticky;
    top: 20px;
}

.sidebar-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--edu-blue-100);
    color: var(--edu-blue-900);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Rec Items */
.rec-item {
    display: flex;
    gap: 12px;
    text-decoration: none;
    margin-bottom: 12px;
    color: inherit;
    padding: 8px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: var(--transition);
    background: transparent;
}

.rec-item:hover {
    background: var(--edu-blue-50);
    border-color: var(--edu-blue-100);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.rec-item:last-child {
    margin-bottom: 0;
}

.rec-img {
    width: 48px;
    height: 62px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    flex-shrink: 0;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.rec-item:hover .rec-img {
    transform: scale(1.06);
    box-shadow: var(--shadow-md);
}

.rec-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.rec-text h5 {
    margin: 0;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--edu-blue-900);
    line-height: 1.35;

    /* Truncate long titles */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rec-text span {
    font-size: 0.73rem;
    color: var(--text-light);
    font-weight: 500;
    background: var(--edu-blue-50);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    width: fit-content;
    border: 1px solid var(--edu-blue-100);
}

/* Loading state */
#rec-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}

#rec-loading p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

#rec-loading p::before {
    content: '';
    width: 14px;
    height: 14px;
    border: 2px solid var(--edu-blue-200);
    border-top-color: var(--edu-blue-500);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
}

/* Load more button */
.btn-load-more {
    background: transparent;
    border: 1.5px solid var(--border-color, #e2e8f0);
    color: var(--text-muted, #64748b);
    padding: 9px 22px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.btn-load-more:hover {
    background: var(--primary, #3b82f6);
    border-color: var(--primary, #3b82f6);
    color: #fff;
}

.btn-load-more:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* Apply subtle entrance */
.comment-box {
    animation: fadeIn 0.3s ease forwards;
}

.rec-item {
    animation: slideIn 0.3s ease forwards;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .main-wrapper {
        grid-template-columns: 1fr 280px;
        gap: 20px;
    }
}

@media (max-width: 900px) {
    .main-wrapper {
        grid-template-columns: 1fr;
        margin: 20px auto;
    }

    aside {
        position: static;
    }

    .doc-header-wrap {
        padding: 20px;
        gap: 16px;
    }

    .doc-title-section h1 {
        font-size: 1.2rem;
    }

    .action-bar {
        flex-direction: column;
        gap: 14px;
        align-items: stretch;
        padding: 16px 20px;
    }

    .btn-download {
        justify-content: center;
    }

    .share-section {
        justify-content: center;
    }

    .canvas-container {
        height: 65vh;
    }

    .header-rating-area {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 600px) {
    .main-wrapper {
        padding: 0 12px;
        margin: 16px auto;
    }

    .doc-header-wrap {
        flex-direction: column;
        align-items: flex-start;
    }

    .doc-thumbnail {
        width: 70px;
        height: 90px;
    }

    .doc-title-section h1 {
        font-size: 1.1rem;
    }

    .doc-meta {
        gap: 6px;
    }

    .doc-meta span {
        font-size: 0.75rem;
        padding: 3px 9px;
    }

    .canvas-container {
        height: 55vh;
        padding: 10px;
    }

    .p-25 {
        padding: 16px;
    }

    .discussion-title {
        font-size: 1rem;
    }

    .header-rating-area {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* KEY REQUIREMENT:
       Desktop: name/email in a row (already done above)
       Mobile: name/email stacked in a column */
    .discussion-fields {
        grid-template-columns: 1fr;
    }
}

/* Comment links: readable + no overflow on long URLs */
.comment-body a{
  color: #3b82f6;
  text-underline-offset: 2px;
  font-weight: 500;
  text-decoration:  none;
  /* Wrapping rules for very long links */
  overflow-wrap: anywhere;   /* modern, best */
  word-break: break-word;    /* fallback */
  white-space: normal;
  transition: all 0.3s;
}

.comment-body a:hover{
  color: #2f7fff;
  text-decoration: underline;
}

/* Extra safety: allow the whole comment text to wrap too */
.comment-body{
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.doc-blurb{
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 70ch;
}