/* =========================================================
   Med-Q | Block 2 — Stylesheet
   ---------------------------------------------------------
   1. Variables & themes
   2. Base / layout
   3. Top bar (profile + settings button)
   4. Header banner
   5. Sections & subject cards
   6. Footer
   7. Profile edit modal
   8. Settings dropdown
   ========================================================= */


/* =========================================================
   1. VARIABLES & THEMES
   ========================================================= */
:root {
  --bg-color: #161616;
  --card-bg: rgba(26, 28, 30, 0.7);
  --header-bg: #1e293b;
  --header-text: #38bdf8;
  --accent-hdsf: #f1f5f9;
  --text-main: #f1f5f9;
  --text-dim: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease,
    color 0.2s ease;

  --settings-item-icon: #fff;
  --settings-item-sub: #A2A2A2;
  --border-theory-practical: rgba(255, 255, 255, 0.03);
}

/* Light theme variables.
   "light-mode-pre" is set on <html> before the page paints to avoid a flash. */
body.light-mode,
html.light-mode-pre body {
  --bg-color: #f0f2f5;
  --card-bg: rgba(255, 255, 255, 0.85);
  --header-bg: #2D2D2D;
  --header-text: #ffffff;
  --text-main: #1a1c1e;
  --text-dim: #555e6b;
  --border-color: rgba(0, 0, 0, 0.1);
  --settings-item-icon: #2D2D2D;
  --settings-item-sub: #999;
  --border-theory-practical: rgba(0, 0, 0, 0.04);

  background-color: #eef2f7;
}


/* =========================================================
   2. BASE / LAYOUT
   ========================================================= */
* { box-sizing: border-box; }

body {
  font-family: 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  margin: 0;
  padding: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.main-header,
.year-selection-container,
.year-content,
.site-footer {
  position: relative;
  z-index: 1;
}

.year-content { display: block; width: 100%; }

.sections-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: none;
}

#profile-file-input { display: none; }


/* =========================================================
   3. TOP BAR
   ========================================================= */
.top-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 4px;
  margin-bottom: 5px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex-shrink: 1;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* ----- Profile area ----- */
.profile-area {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 10px;
  padding: 3px 6px 3px 0;
  transition: background 0.2s ease;
  user-select: none;
  min-width: 0;
  flex-shrink: 1;
}

.profile-area:hover { background: rgba(255, 255, 255, 0.05); }

body.light-mode .profile-area:hover,
html.light-mode-pre body .profile-area:hover {
  background: rgba(0, 0, 0, 0.05);
}

.app-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--accent-hdsf);
  letter-spacing: -0.03em;
  font-family: 'Segoe UI', sans-serif;
  overflow: hidden;
  flex-shrink: 0;
  transition: border-color 0.2s ease;
}

.app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.app-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 480px) {
  .app-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
    font-size: 1rem;
  }
  .profile-area { align-items: center; }
  .top-bar-right { flex-shrink: 0; }
}

/* ----- Icon button (settings) ----- */
.top-bar-icon-btn {
  width: 46px;
  height: 46px;
  border-radius: 9px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
}

.top-bar-icon-btn:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(40, 42, 45, 0.9);
}

.top-bar-icon-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-dim);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.2s ease;
}

.top-bar-icon-btn:hover svg { stroke: var(--text-main); }

body.light-mode .top-bar-icon-btn,
html.light-mode-pre body .top-bar-icon-btn {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--border-color);
}

body.light-mode .top-bar-icon-btn svg,
html.light-mode-pre body .top-bar-icon-btn svg {
  stroke: var(--text-dim);
}

body.light-mode .top-bar-icon-btn:hover svg,
html.light-mode-pre body .top-bar-icon-btn:hover svg {
  stroke: var(--text-main);
}

body.light-mode .top-bar-icon-btn:hover,
html.light-mode-pre body .top-bar-icon-btn:hover {
  background: rgba(255, 255, 255, 1);
  border-color: #121212;
}


/* =========================================================
   4. HEADER BANNER
   ========================================================= */
.main-header {
  width: 100%;
  background: var(--header-bg);
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--header-bg);
  margin-bottom: 10px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

body.light-mode .main-header,
html.light-mode-pre body .main-header {
  background: #2D2D2D;
  border-color: #2D2D2D;
}

.header-info h3 { margin: 0; font-size: 1.45rem; color: var(--header-text); font-weight: 800; }
.header-info p  { margin: 6px 0 0; color: var(--header-text); font-size: 0.9rem; font-weight: 600; }


/* =========================================================
   5. SECTIONS & SUBJECT CARDS
   ========================================================= */
.section-container { width: 100%; margin-bottom: 60px; }

/* ----- Section title ----- */
.category-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 12px 0 20px 0;
  padding: 7px 14px;
  border-radius: 6px;
  align-items: center;
  background: #D5D5D5;
}

.endblock-theme {
  border-color: var(--accent-hdsf);
  color: #121212;
}

body.light-mode .category-title,
html.light-mode-pre body .category-title {
  background: rgba(26, 28, 30, 0.7);
}

body.light-mode .endblock-theme,
html.light-mode-pre body .endblock-theme {
  border-color: var(--accent-hdsf);
  color: var(--accent-hdsf);
}

/* ----- Card grid ----- */
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  width: 100%;
}

.subject-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px;
  transition: background-color 0.2s ease,
              border-color 0.2s ease,
              transform 0.2s ease;
  transform: translateZ(0);
  will-change: transform;
}

.subject-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(40, 42, 45, 0.8);
  transform: translateY(-2px);
}

body.light-mode .subject-card,
html.light-mode-pre body .subject-card {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 0, 0, 0.07);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

body.light-mode .subject-card:hover,
html.light-mode-pre body .subject-card:hover {
  background: rgba(255, 255, 255, 0.98);
  border-color: #121212;
}

.card-header h1 { font-size: 1.1rem; margin: 0 0 15px 0; color: var(--text-main); }

/* ----- Links + badge ----- */
.links-container { display: flex; flex-direction: column; gap: 4px; }

.mcq-link {
  color: var(--text-dim);
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-theory-practical);
  text-decoration: none;
  cursor: pointer;
}

.mcq-link:last-child { border-bottom: none; }
.mcq-link:hover { color: var(--accent-hdsf); font-weight: 500; }

body.light-mode .mcq-link:hover,
html.light-mode-pre body .mcq-link:hover { color: black; }

.badge {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(38, 41, 43, 0.8);
  color: var(--accent-hdsf);
  font-weight: 500;
}

body.light-mode .badge,
html.light-mode-pre body .badge {
  background: rgba(242, 244, 246, 0.95);
  color: #121212;
}


/* =========================================================
   6. FOOTER
   ========================================================= */
.site-footer {
  margin-top: auto;
  padding: 20px;
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.6;
}


/* =========================================================
   7. PROFILE EDIT MODAL
   ========================================================= */
#profile-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9000;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 70px 0 0 15px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

#profile-modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

#profile-modal {
  background: #111111;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 14px;
  padding: 22px 20px 18px;
  width: 260px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.65);
  transform: translateY(-8px) scale(0.97);
  transition: transform 0.22s ease, opacity 0.22s ease;
  opacity: 0;
}

#profile-modal-backdrop.open #profile-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.pm-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: #666;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px 0;
}

.pm-image-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.pm-avatar-preview {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  overflow: hidden;
  flex-shrink: 0;
  background: #222;
}

.pm-avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pm-pick-btn {
  flex: 1;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: #ccc;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.pm-pick-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.pm-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #555;
  margin-bottom: 7px;
  display: block;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pm-input {
  width: 100%;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: #f1f5f9;
  font-size: 0.9rem;
  font-family: 'Segoe UI', Roboto, sans-serif;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
  margin-bottom: 18px;
}

.pm-input:focus {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

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

.pm-btn {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  transition: background 0.15s ease, transform 0.1s ease;
}

.pm-btn:active { transform: scale(0.97); }

.pm-btn-cancel {
  background: rgba(255, 255, 255, 0.07);
  color: #888;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.pm-btn-cancel:hover {
  background: rgba(255, 255, 255, 0.11);
  color: #bbb;
}

.pm-btn-save {
  background: #f1f5f9;
  color: #111;
}

.pm-btn-save:hover { background: #ffffff; }


/* =========================================================
   8. SETTINGS DROPDOWN
   ========================================================= */
.settings-dropdown-wrapper {
  position: relative;
  display: inline-block;
}

#settings-btn.dropdown-open {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(40, 42, 45, 0.9);
}

#settings-btn.dropdown-open svg { stroke: var(--text-main); }

body.light-mode #settings-btn.dropdown-open,
html.light-mode-pre body #settings-btn.dropdown-open {
  border-color: #121212;
  background: rgba(255, 255, 255, 1);
}

body.light-mode #settings-btn.dropdown-open svg,
html.light-mode-pre body #settings-btn.dropdown-open svg {
  stroke: var(--text-main);
}

/* ----- Panel ----- */
.settings-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #111111;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 14px;
  overflow: hidden;
  min-width: 200px;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px) scale(0.97);
  transition: opacity 0.22s ease, transform 0.22s ease;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.65);
}

.settings-dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

body.light-mode .settings-dropdown,
html.light-mode-pre body .settings-dropdown {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.13);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

/* ----- Panel header ----- */
.settings-dropdown-header {
  padding: 14px 16px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #555;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

body.light-mode .settings-dropdown-header,
html.light-mode-pre body .settings-dropdown-header {
  border-bottom-color: rgba(0, 0, 0, 0.08);
  color: #999;
}

.settings-close-btn {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background 0.15s ease;
}

.settings-close-btn:hover { background: rgba(255, 255, 255, 0.1); }

body.light-mode .settings-close-btn:hover,
html.light-mode-pre body .settings-close-btn:hover {
  background: rgba(0, 0, 0, 0.08);
}

.settings-close-btn svg {
  width: 10px;
  height: 10px;
  stroke: #666;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  flex-shrink: 0;
}

.settings-close-btn:hover svg { stroke: #aaa; }

body.light-mode .settings-close-btn:hover svg,
html.light-mode-pre body .settings-close-btn:hover svg {
  stroke: #444;
}

/* ----- Items ----- */
.settings-item {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 16px;
  transition: background 0.15s ease;
  text-decoration: none;
}

.settings-item:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.settings-item:hover { background: rgba(255, 255, 255, 0.06); }

body.light-mode .settings-item:not(:last-child),
html.light-mode-pre body .settings-item:not(:last-child) {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

body.light-mode .settings-item:hover,
html.light-mode-pre body .settings-item:hover {
  background: rgba(0, 0, 0, 0.04);
}

/* ----- Item icon ----- */
.settings-item-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.settings-item:hover .settings-item-icon {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

body.light-mode .settings-item-icon,
html.light-mode-pre body .settings-item-icon {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.1);
}

body.light-mode .settings-item:hover .settings-item-icon,
html.light-mode-pre body .settings-item:hover .settings-item-icon {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.18);
}

.settings-item-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--settings-item-icon);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.15s ease;
}

.settings-item:hover .settings-item-icon svg { stroke: var(--settings-item-icon); }

body.light-mode .settings-item:hover .settings-item-icon svg,
html.light-mode-pre body .settings-item:hover .settings-item-icon svg {
  stroke: #111;
}

.settings-item-icon svg.contact-icon {
  stroke: var(--settings-item-icon);
  fill: #aaa;
  transition: fill 0.15s ease;
}

.settings-item:hover .settings-item-icon svg.contact-icon { fill: #fff; }

body.light-mode .settings-item:hover .settings-item-icon svg.contact-icon,
html.light-mode-pre body .settings-item:hover .settings-item-icon svg.contact-icon {
  fill: #111;
}

/* ----- Item text ----- */
.settings-item-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-item-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #e2e8f0;
  transition: color 0.15s ease;
}

.settings-item-sub {
  font-size: 0.73rem;
  color: var(--settings-item-sub);
  font-weight: 500;
}

body.light-mode .settings-item-label,
html.light-mode-pre body .settings-item-label {
  color: #1a1c1e;
}

body.light-mode .settings-item-sub,
html.light-mode-pre body .settings-item-sub {
  color: #999;
}