/* SATMath.co Digital SAT Theme Stylesheet */

:root {
  --bg-app: #f4f5f8;
  --bg-card: #ffffff;
  --primary-navy: #1a2b4c;
  --navy-dark: #0f1a30;
  --sat-red: #8b1d2c;
  --sat-red-hover: #6f1622;
  --border-color: #d1d5db;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --option-hover: #f3f4f6;
  --option-selected-bg: #f0f4fd;
  --option-selected-border: #1a2b4c;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Roboto Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

#app-wrapper { width: 100%; min-height: 100vh; }
.portal-view { width: 100%; min-height: 100vh; }
.hidden { display: none !important; }

/* ----------------------------------------------------
   1. STUDENT LOGIN SCREEN
---------------------------------------------------- */
#view-login {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy-dark), var(--primary-navy));
  padding: 20px;
}

.login-card {
  background: #ffffff; border-radius: 16px; width: 100%; max-width: 440px;
  padding: 36px 32px; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  display: flex; flex-direction: column; gap: 24px;
}

.login-header { text-align: center; }
.brand-badge { display: inline-block; background: #fee2e2; color: var(--sat-red); font-weight: 800; font-size: 0.85rem; padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; }
.login-header h2 { font-size: 1.5rem; color: var(--primary-navy); margin-bottom: 6px; }
.login-header p { font-size: 0.9rem; color: var(--text-muted); }

.login-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: #374151; }
.form-group input { padding: 12px 16px; border: 1.5px solid var(--border-color); border-radius: 8px; font-size: 1rem; outline: none; }
.form-group input:focus { border-color: var(--primary-navy); }

.btn-primary-block {
  background-color: var(--sat-red); color: #ffffff; border: none; padding: 14px;
  border-radius: 8px; font-weight: 700; font-size: 1rem; cursor: pointer; transition: background 0.2s;
}
.btn-primary-block:hover { background-color: var(--sat-red-hover); }

.login-footer { text-align: center; border-top: 1px solid #f3f4f6; padding-top: 16px; }
.btn-link { background: transparent; border: none; color: #4b5563; font-weight: 600; font-size: 0.85rem; cursor: pointer; }
.btn-link:hover { color: var(--primary-navy); }

/* ----------------------------------------------------
   2. TEST SELECTION PORTAL
---------------------------------------------------- */
.portal-container { max-width: 1000px; margin: 0 auto; padding: 32px 24px; }
.portal-top-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.user-greeting { font-size: 1.1rem; color: var(--primary-navy); }
.btn-outline-sm { background: transparent; border: 1.5px solid var(--border-color); padding: 6px 14px; border-radius: 6px; font-weight: 600; font-size: 0.85rem; cursor: pointer; }
.test-selection-hero { margin-bottom: 24px; }
.test-selection-hero h2 { font-size: 1.8rem; color: var(--primary-navy); margin-bottom: 6px; }

.test-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.test-card { background: #ffffff; border-radius: 12px; border: 1.5px solid var(--border-color); padding: 24px; display: flex; flex-direction: column; gap: 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.03); }
.test-card h3 { font-size: 1.2rem; color: var(--primary-navy); }
.test-badge { background: #e0e7ff; color: #3730a3; font-size: 0.75rem; font-weight: 700; padding: 2px 8px; border-radius: 4px; align-self: flex-start; }

/* ----------------------------------------------------
   3. BLUEBOOK EXAM WORKSPACE
---------------------------------------------------- */
.sat-header { height: 64px; background-color: #ffffff; border-bottom: 1px solid #e5e7eb; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
.section-title { font-size: 1.15rem; font-weight: 700; color: var(--primary-navy); }
.timer-box { display: flex; flex-direction: column; align-items: center; }
.timer-digits { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 700; }
.btn-hide-timer { background: transparent; border: 1.5px solid var(--sat-red); color: var(--sat-red); padding: 2px 14px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; cursor: pointer; }
.tools-group { display: flex; gap: 16px; }
.tool-btn { background: transparent; border: none; display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--primary-navy); font-size: 0.75rem; font-weight: 600; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.tool-btn:hover { background-color: #f3f4f6; }
.tool-btn-exit { color: var(--sat-red); }
.tool-btn-exit:hover { background-color: #fee2e2; }
.tool-icon { width: 20px; height: 20px; }

.sat-main { overflow-y: auto; padding: 24px; display: flex; justify-content: center; min-height: calc(100vh - 128px); }

/* Regular MCQ Question Container */
.question-container {
  width: 100%; max-width: 860px; background: #ffffff; border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04); padding: 32px; display: flex; flex-direction: column; gap: 24px;
}

/* SPR Split Screen Layout Container */
.question-container.spr-split-mode {
  max-width: 1180px;
}

.question-top-bar { display: flex; justify-content: space-between; align-items: center; }
.q-badge-group { display: flex; align-items: center; gap: 12px; }
.q-number-badge { background-color: var(--sat-red); color: #ffffff; font-weight: 700; font-size: 1.1rem; width: 32px; height: 32px; border-radius: 6px; display: flex; align-items: center; justify-content: center; }
.domain-tag { background: #f3f4f6; color: #4b5563; font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 12px; }
.q-actions { display: flex; gap: 12px; }
.icon-toggle-btn { background: #ffffff; border: 1px solid var(--border-color); border-radius: 8px; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: #4b5563; }
.icon-toggle-btn.active { background-color: #fee2e2; border-color: var(--sat-red); color: var(--sat-red); }

.diagram-area { display: flex; justify-content: center; margin-bottom: 16px; background: #f9fafb; padding: 12px; border-radius: 8px; }
.question-text { font-size: 1.1rem; line-height: 1.6; color: #1f2937; }
.answer-area { display: flex; flex-direction: column; gap: 14px; }

.option-card { display: flex; align-items: center; padding: 16px 20px; border: 1.5px solid var(--border-color); border-radius: 12px; background-color: #ffffff; cursor: pointer; transition: all 0.15s; position: relative; }
.option-card:hover { background-color: var(--option-hover); }
.option-card.selected { background-color: var(--option-selected-bg); border-color: var(--option-selected-border); }
.option-letter { width: 32px; height: 32px; border-radius: 50%; border: 1.5px solid #6b7280; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.95rem; margin-right: 18px; flex-shrink: 0; }
.option-card.selected .option-letter { background-color: var(--primary-navy); color: #ffffff; border-color: var(--primary-navy); }
.option-card.eliminated { opacity: 0.45; text-decoration: line-through; }
.btn-eliminate-cross { position: absolute; right: 16px; background: transparent; border: none; color: var(--sat-red); font-weight: 700; cursor: pointer; display: none; }
.eliminator-mode-active .btn-eliminate-cross { display: block; }

/* ----------------------------------------------------
   AUTHENTIC SPR (STUDENT PRODUCED RESPONSE) LAYOUT
---------------------------------------------------- */
.spr-split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 860px) {
  .spr-split-layout {
    grid-template-columns: 1fr;
  }
}

.spr-instructions-panel {
  background: #f9fafb;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  font-size: 0.88rem;
  color: #374151;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.spr-instructions-panel h4 {
  font-size: 0.95rem;
  color: var(--primary-navy);
  font-weight: 700;
}

.spr-instructions-panel ul {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.spr-instructions-panel ul li strong {
  color: #111827;
}

.spr-examples-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 6px;
  font-size: 0.8rem;
}

.spr-examples-table th, .spr-examples-table td {
  border: 1px solid #d1d5db;
  padding: 6px 10px;
  text-align: left;
  vertical-align: top;
}

.spr-examples-table th {
  background-color: #e5e7eb;
  font-weight: 700;
  color: #111827;
}

.spr-workspace-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.spr-input-clean {
  width: 140px;
  padding: 10px 14px;
  font-size: 1.25rem;
  font-family: var(--font-mono);
  font-weight: 600;
  border: 2px solid var(--primary-navy);
  border-radius: 6px;
  outline: none;
  background: #ffffff;
}

.spr-answer-preview-box {
  margin-top: 12px;
  font-size: 0.95rem;
  color: #374151;
}

.spr-answer-preview-box strong {
  color: var(--primary-navy);
}

.spr-preview-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--sat-red);
  margin-left: 6px;
}

.sat-footer { height: 64px; background-color: #ffffff; border-top: 1px solid #e5e7eb; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
.brand-logo { font-weight: 800; font-size: 1.35rem; color: #111827; }
.logo-dot { color: var(--sat-red); }
.nav-grid-btn { background-color: var(--sat-red); color: #ffffff; border: none; padding: 8px 20px; border-radius: 20px; font-weight: 600; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; cursor: pointer; }
.footer-right { display: flex; gap: 12px; }
.nav-btn { background-color: #ffffff; border: 1.5px solid var(--sat-red); color: var(--sat-red); padding: 8px 18px; border-radius: 20px; font-weight: 600; font-size: 0.9rem; display: flex; align-items: center; gap: 6px; cursor: pointer; }
.nav-btn:hover:not(:disabled) { background-color: var(--sat-red); color: #ffffff; }
.nav-btn:disabled { opacity: 0.4; cursor: not-allowed; border-color: #9ca3af; color: #9ca3af; }

/* ----------------------------------------------------
   4. MODULE TRANSITION SCREEN
---------------------------------------------------- */
#view-module-transition { display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--navy-dark), var(--primary-navy)); padding: 20px; }
.transition-card { background: #ffffff; border-radius: 16px; width: 100%; max-width: 480px; padding: 40px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.transition-icon { font-size: 3rem; }
.transition-details { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.info-pill { background: #f3f4f6; padding: 10px; border-radius: 8px; font-size: 0.95rem; }

/* ----------------------------------------------------
   5. RESULTS & COLLEGE BOARD ANALYTICS
---------------------------------------------------- */
.results-container { max-width: 900px; margin: 0 auto; padding: 32px 24px; display: flex; flex-direction: column; gap: 24px; }
.results-header-banner { background: linear-gradient(135deg, var(--navy-dark), var(--primary-navy)); color: #ffffff; padding: 24px; border-radius: 12px; display: flex; justify-content: space-between; align-items: center; }
.banner-right-actions { display: flex; gap: 12px; }
.btn-outline-white { background: transparent; border: 1.5px solid #ffffff; color: #ffffff; padding: 8px 16px; border-radius: 6px; font-weight: 600; cursor: pointer; }
.btn-outline-white:hover { background: rgba(255,255,255,0.15); }
.score-summary-card { background: #ffffff; border-radius: 12px; border: 1px solid var(--border-color); padding: 24px; display: flex; align-items: center; justify-content: space-between; }
.score-hero { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.score-number { font-size: 3.5rem; font-weight: 800; color: var(--sat-red); line-height: 1; }
.score-max { font-size: 1.5rem; color: var(--text-muted); font-weight: 600; }
.score-subtitle { width: 100%; font-size: 0.85rem; color: var(--text-muted); }

.score-breakdown-grid { display: flex; gap: 16px; }
.breakdown-box { background: #f9fafb; padding: 12px 18px; border-radius: 8px; text-align: center; }
.stat-value { font-size: 1.25rem; font-weight: 700; display: block; }
.color-green { color: #10b981; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); }

.analytics-card { background: #ffffff; border-radius: 12px; border: 1px solid var(--border-color); padding: 24px; }
.analytics-desc { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; margin-bottom: 20px; }
.domain-progress-item { margin-bottom: 16px; }
.domain-info { display: flex; justify-content: space-between; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.progress-track { height: 10px; background: #e5e7eb; border-radius: 5px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary-navy); border-radius: 5px; transition: width 0.4s; }

.feedback-box { background: #eff6ff; border-left: 4px solid #3b82f6; padding: 16px; border-radius: 8px; margin-top: 20px; }
.feedback-box h4 { font-size: 0.95rem; color: #1e40af; margin-bottom: 6px; }
.feedback-box p { font-size: 0.9rem; color: #1e3a8a; line-height: 1.5; }

.review-card { background: #ffffff; border-radius: 12px; border: 1px solid var(--border-color); padding: 24px; }
.item-review-card { border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.item-review-card.correct { border-left: 5px solid #10b981; }
.item-review-card.incorrect { border-left: 5px solid #ef4444; }
.item-review-card.omitted { border-left: 5px solid #f59e0b; }
.review-explanation { background: #f9fafb; padding: 12px; border-radius: 6px; margin-top: 12px; font-size: 0.9rem; line-height: 1.5; }

/* ----------------------------------------------------
   6. ADMIN DASHBOARD & EASY DIRECT LINK COPY BOX
---------------------------------------------------- */
.admin-container { max-width: 1000px; margin: 0 auto; padding: 32px 24px; display: flex; flex-direction: column; gap: 24px; }
.admin-top-bar { display: flex; justify-content: space-between; align-items: center; }
.admin-top-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.admin-stats-overview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.admin-stat-card { background: #ffffff; padding: 20px; border-radius: 12px; border: 1px solid var(--border-color); text-align: center; }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--primary-navy); display: block; }
.stat-desc { font-size: 0.85rem; color: var(--text-muted); }

.admin-card { background: #ffffff; padding: 24px; border-radius: 12px; border: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 16px; }
.card-header-flex { display: flex; justify-content: space-between; align-items: center; }
.admin-card-desc { font-size: 0.85rem; color: var(--text-muted); }

.btn-pill-mode { background: #dcfce7; color: #166534; border: 1px solid #86efac; font-weight: 700; font-size: 0.8rem; padding: 6px 14px; border-radius: 20px; cursor: pointer; }
.btn-pill-mode.off { background: #fee2e2; color: #991b1b; border-color: #fca5a5; }

.add-pin-form .form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.add-pin-form input { flex: 1; min-width: 180px; padding: 10px 14px; border: 1.5px solid var(--border-color); border-radius: 6px; outline: none; }
.btn-primary-sm { background-color: var(--sat-red); color: #ffffff; border: none; padding: 10px 18px; border-radius: 6px; font-weight: 700; font-size: 0.9rem; cursor: pointer; }

.admin-search-input {
  padding: 8px 14px;
  font-size: 0.85rem;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  outline: none;
  width: 260px;
}
.admin-search-input:focus {
  border-color: var(--primary-navy);
}

/* Easy Copy Direct Link Box */
.copy-link-box {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.input-copy-link {
  padding: 6px 10px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: #f9fafb;
  color: #2563eb;
  width: 280px;
  outline: none;
}

.btn-copy-link {
  background: #2563eb;
  color: #ffffff;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.btn-copy-link:hover {
  background: #1d4ed8;
}

.table-responsive { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.9rem; }
.admin-table th, .admin-table td { padding: 12px 16px; border-bottom: 1px solid #e5e7eb; }
.admin-table th { background: #f9fafb; font-weight: 600; color: #374151; }

.status-active { background: #d1fae5; color: #065f46; font-size: 0.75rem; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
.status-used { background: #fee2e2; color: #991b1b; font-size: 0.75rem; font-weight: 700; padding: 2px 8px; border-radius: 4px; }

/* Drawer & Modals */
.grid-drawer { position: fixed; bottom: 64px; left: 50%; transform: translateX(-50%); width: 100%; max-width: 680px; background: #ffffff; border-radius: 16px 16px 0 0; box-shadow: 0 -4px 20px rgba(0,0,0,0.12); z-index: 50; padding: 20px; }
.drawer-header { display: flex; justify-content: space-between; padding-bottom: 10px; border-bottom: 1px solid #f3f4f6; }
.close-btn { background: transparent; border: none; font-size: 1.4rem; cursor: pointer; }
.drawer-legend { display: flex; gap: 16px; font-size: 0.8rem; flex-wrap: wrap; margin-top: 10px; }
.legend-item { display: flex; align-items: center; gap: 6px; }
.badge { width: 14px; height: 14px; border-radius: 3px; }
.legend-current { background: var(--primary-navy); }
.legend-answered { background: #3b82f6; }
.legend-unanswered { background: #e5e7eb; border: 1px solid #9ca3af; }

.grid-cells-container { display: grid; grid-template-columns: repeat(11, 1fr); gap: 10px; max-height: 200px; overflow-y: auto; padding: 10px 0; }
.grid-cell { position: relative; aspect-ratio: 1; border: 1.5px solid var(--border-color); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 700; cursor: pointer; background: #ffffff; transition: all 0.15s; }
.grid-cell.current { background: var(--primary-navy); color: #ffffff; border-color: var(--primary-navy); }
.grid-cell.answered:not(.current) { background: #dbeafe; color: #1e40af; border-color: #93c5fd; }
.grid-cell.bookmarked { border-color: var(--sat-red); }
.grid-cell.bookmarked::after { 
  content: "🔖"; 
  position: absolute; 
  top: -7px; 
  right: -5px; 
  font-size: 0.8rem; 
  line-height: 1; 
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
}

.btn-submit-exam { width: 100%; padding: 12px; background: var(--sat-red); color: #ffffff; border: none; border-radius: 8px; font-weight: 700; cursor: pointer; }

.modal-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.45); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-card { background: #ffffff; border-radius: 12px; width: 90%; max-width: 720px; max-height: 85vh; display: flex; flex-direction: column; overflow: hidden; }
.modal-header { padding: 16px 24px; background: var(--primary-navy); color: #ffffff; display: flex; justify-content: space-between; align-items: center; flex-shrink: 0; }
.modal-close { background: transparent; border: none; color: #ffffff; font-size: 1.6rem; cursor: pointer; }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }

.calc-card {
  width: 92vw;
  max-width: 1000px;
  height: 85vh;
  display: flex;
  flex-direction: column;
}

.calc-body {
  padding: 0;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#desmos-iframe {
  width: 100%;
  height: 100%;
  flex: 1;
  min-height: 0;
  border: none;
  display: block;
}

/* ----------------------------------------------------
   REFERENCE SHEET STYLES
---------------------------------------------------- */
.ref-card {
  max-width: 680px;
  width: 90%;
}

.ref-body {
  padding: 20px;
  max-height: 75vh;
  overflow-y: auto;
}

.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.ref-item {
  background-color: var(--gray-light);
  border: 1px solid var(--gray-border);
  border-radius: 8px;
  padding: 14px 16px;
}

.ref-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 8px;
  border-bottom: 2px solid var(--blue-accent);
  padding-bottom: 4px;
  display: inline-block;
}

.ref-item p {
  font-size: 0.9rem;
  margin: 4px 0;
  color: var(--text-dark);
}

.ref-notes p {
  margin: 4px 0;
  line-height: 1.5;
}

/* ----------------------------------------------------
   PRINT STYLESHEET (@media print)
---------------------------------------------------- */
@media print {
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }

  .banner-right-actions,
  #view-login,
  #view-select-test,
  #view-exam,
  #view-module-transition,
  #view-admin,
  .modal-overlay,
  .grid-drawer {
    display: none !important;
  }

  #view-results {
    display: block !important;
  }

  .results-container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .results-header-banner {
    background: var(--primary-navy) !important;
    color: #ffffff !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .item-review-card {
    page-break-inside: avoid;
  }
}