/* ==========================================================================
   IMAMU IT Planner — Dynamic Theme Design System
   ========================================================================== */

/* Dark Theme Variables (Default) */
:root, [data-theme="dark"] {
  --bg: #0B0F17;
  --surface: #141B26;
  --surface-raised: #1B2433;
  --border: #26303F;
  --border-soft: #1E2836;

  --text: #EDEFF4;
  --text-secondary: #8A93A6;
  --text-muted: #5C6579;

  --accent: #6C9BD1;
  --accent-dim: rgba(108, 155, 209, 0.16);
  --bronze: #CB9B63;
  --bronze-dim: rgba(203, 155, 99, 0.16);
  --success: #45A67C;
  --success-dim: rgba(69, 166, 124, 0.22);
  --danger: #CC5C46;
  --danger-dim: rgba(204, 92, 70, 0.22);
  --violet: #9B8AC4;
  --violet-dim: rgba(155, 138, 196, 0.16);

  --font-display: 'El Messiri', 'Segoe UI', Tahoma, sans-serif;
  --font-body: 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-raised: 0 8px 24px -8px rgba(0, 0, 0, 0.45);
  --btn-primary-text: #0B0F17;
  --btn-amber-text: #0B0F17;
  --card-bg-inner: #0B0F17;
}

/* Soft Modern Light Theme Variables (Non-Overbrightened Slate) */
[data-theme="light"] {
  --bg: #EAEFF5;
  --surface: #F3F6FA;
  --surface-raised: #FFFFFF;
  --border: #CBD5E1;
  --border-soft: #E2E8F0;

  --text: #1E293B;
  --text-secondary: #475569;
  --text-muted: #64748B;

  --accent: #2563EB;
  --accent-dim: rgba(37, 99, 235, 0.12);
  --bronze: #B47530;
  --bronze-dim: rgba(180, 117, 48, 0.12);
  --success: #16A34A;
  --success-dim: rgba(22, 163, 74, 0.14);
  --danger: #DC2626;
  --danger-dim: rgba(220, 38, 38, 0.14);
  --violet: #7C3AED;
  --violet-dim: rgba(124, 58, 237, 0.12);

  --shadow-raised: 0 8px 24px -8px rgba(15, 23, 42, 0.12);
  --btn-primary-text: #FFFFFF;
  --btn-amber-text: #FFFFFF;
  --card-bg-inner: #FFFFFF;
}

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

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

button, input, select {
  font-family: inherit;
  color: inherit;
}

.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1; }

a { color: var(--accent); }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ==========================================================================
   Header & Completion Ring
   ========================================================================== */

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  flex-wrap: wrap;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.header-title h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  letter-spacing: 0.2px;
}

.header-title h1::before {
  content: '';
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-inline-end: 8px;
  border-radius: 50%;
  background: var(--bronze);
  vertical-align: middle;
}

.header-title p {
  font-size: 0.74rem;
  color: var(--text-secondary);
  margin-top: 1px;
}

.stats-bar { display: flex; gap: 10px; align-items: center; }

.completion-ring-box {
  position: relative;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.completion-ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--border-soft);
  stroke-width: 3.5;
}

.ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3.5;
  stroke-dasharray: 106.81;
  stroke-dashoffset: 106.81;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.4s ease, stroke 0.25s ease;
}

.ring-text {
  position: absolute;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--text);
}

.stat-box {
  background: var(--surface-raised);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  text-align: center;
  min-width: 74px;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.stat-box .val { font-family: var(--font-mono); font-size: 1rem; font-weight: 600; color: var(--accent); }
.stat-box .lbl { font-size: 0.62rem; color: var(--text-secondary); margin-top: 1px; }
.stat-box.border-yellow { border-color: rgba(203, 155, 99, 0.4); }
.stat-box .val.text-yellow { color: var(--bronze); }
.stat-box .val.text-blue { color: var(--accent); }

.controls { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; }

/* ==========================================================================
   Buttons
   ========================================================================== */

button {
  background: var(--surface-raised);
  color: var(--text);
  font-weight: 600;
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease, color 0.15s ease;
  white-space: nowrap;
}

button i.ti { font-size: 0.95em; }

button:hover { border-color: var(--text-muted); }
button:active { transform: scale(0.97); }

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

.btn-blue, .btn-primary { background: var(--accent); border-color: var(--accent); color: var(--btn-primary-text); }
.btn-amber { background: var(--bronze); border-color: var(--bronze); color: var(--btn-amber-text); }
.btn-green { background: var(--success); border-color: var(--success); color: #FFFFFF; }
.btn-purple { background: var(--violet); border-color: var(--violet); color: #FFFFFF; }
.btn-red, .btn-danger { background: transparent; border-color: rgba(204, 92, 70, 0.5); color: var(--danger); }
.btn-red:hover, .btn-danger:hover { background: var(--danger-dim); border-color: var(--danger); }
.btn-gray, .btn-ghost { background: var(--surface-raised); border-color: var(--border); color: var(--text-secondary); }
.lang-btn, .theme-btn { background: transparent; border-color: var(--border); color: var(--text-secondary); }
.lang-btn:hover, .theme-btn:hover { color: var(--text); border-color: var(--text-muted); }

.text-blue { color: var(--accent) !important; }
.text-yellow { color: var(--bronze) !important; }
.text-amber { color: var(--bronze) !important; }
.text-purple { color: var(--violet) !important; }
.border-yellow { border-color: var(--bronze) !important; }

.hidden-input { display: none !important; }

.beta-badge {
  background: var(--danger);
  color: #fff;
  font-size: 0.56rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  margin-inline-start: 4px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  vertical-align: middle;
}

/* ==========================================================================
   Main layout & Modern Collapsible Cards
   ========================================================================== */

.main-container { display: flex; flex: 1; overflow: hidden; }

.sidebar {
  width: 330px;
  flex-shrink: 0;
  background: var(--surface);
  border-inline-start: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 8px;
  overflow-y: hidden;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

/* Modern Collapsible details/summary Styling */
details.modern-details {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  flex-shrink: 0;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

details.modern-details[open] {
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

summary {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  padding: 10px 12px;
  background: var(--surface-raised);
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.2s ease, color 0.2s ease;
}

summary:hover {
  background: var(--border-soft);
  color: var(--accent);
}

summary::-webkit-details-marker { display: none; }
summary::after {
  content: '\ea5f';
  font-family: 'tabler-icons';
  font-size: 0.88em;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}
details[open] summary::after { transform: rotate(180deg); color: var(--accent); }

/* 3-State Stacked Progress Gauge */
.gauge-container {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  background: var(--bg);
  border-top: 1px solid var(--border-soft);
}

.gauge-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gauge-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.gauge-label-row strong {
  color: var(--text);
  font-weight: 600;
}

.stacked-bar-wrap {
  width: 100%;
  height: 7px;
  background: var(--surface-raised);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
}

.stacked-bar-fill {
  height: 100%;
  transition: width 0.35s ease;
}

.stacked-bar-fill.bg-success { background-color: var(--success); }
.stacked-bar-fill.bg-accent { background-color: var(--accent); }

.gauge-sub-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.62rem;
  color: var(--text-muted);
}

.legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.legend-dot.green { background-color: var(--success); }
.legend-dot.blue { background-color: var(--accent); }
.legend-dot.muted { background-color: var(--border); }

/* ==========================================================================
   CUSTOM MODERN DROPDOWN COMPONENT (Fixes blocky rectangular OS selects)
   ========================================================================== */
.selector-box {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 240px;
  overflow-y: auto;
  background: var(--bg);
  border-top: 1px solid var(--border-soft);
}

.selector-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.selector-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--bronze);
  font-weight: 600;
}

.slot-badge {
  font-size: 0.62rem;
  font-family: var(--font-mono);
  padding: 1px 6px;
  border-radius: 100px;
  font-weight: 600;
  display: inline-block;
}

.slot-badge.satisfied { background: var(--success-dim); color: var(--success); border: 1px solid var(--success); }
.slot-badge.planned { background: var(--accent-dim); color: var(--accent); border: 1px solid var(--accent); }
.slot-badge.pending { background: var(--bronze-dim); color: var(--bronze); border: 1px solid var(--bronze); }

.custom-select {
  position: relative;
  width: 100%;
}

.custom-select-trigger {
  width: 100%;
  padding: 7px 10px;
  background-color: var(--surface-raised);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.74rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.custom-select-trigger:hover {
  border-color: var(--accent);
}

.custom-select.open .custom-select-trigger {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.custom-select-trigger span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.custom-select-trigger i {
  font-size: 0.85em;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.custom-select.open .custom-select-trigger i {
  transform: rotate(180deg);
}

.custom-select-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  inset-inline: 0;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  max-height: 200px;
  overflow-y: auto;
  box-shadow: var(--shadow-raised);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.custom-select.open .custom-select-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.custom-option {
  padding: 7px 10px;
  font-size: 0.72rem;
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.custom-option:hover {
  background-color: var(--accent-dim);
  color: var(--accent);
}

.custom-option.selected {
  background-color: var(--accent);
  color: var(--btn-primary-text);
  font-weight: 600;
}

.custom-option.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  font-style: italic;
}

/* Course Pool & Filter Pills */
.pool-section { display: flex; flex-direction: column; flex: 1; min-height: 0; margin-top: 4px; gap: 7px; }
.pool-header-row { display: flex; align-items: center; justify-content: space-between; }
.pool-title { font-size: 0.82rem; color: var(--text); font-weight: 700; font-family: var(--font-display); }

.pool-pills-row {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.pool-pill {
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 12px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.pool-pill:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.pool-pill.active {
  background: var(--accent);
  color: var(--btn-primary-text);
  border-color: var(--accent);
  font-weight: 600;
}

.pool-search-input {
  width: 100%;
  padding: 7px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.76rem;
  outline: none;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.pool-search-input:focus { border-color: var(--accent); }

.course-pool {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: var(--surface-raised);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

/* ==========================================================================
   Board — horizontal Kanban (desktop default)
   ========================================================================== */

.board {
  flex: 1;
  padding: 12px;
  overflow: auto;
  display: flex;
  flex-direction: row;
  gap: 12px;
  align-items: flex-start;
}

.term-column {
  min-width: 260px;
  max-width: 260px;
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  max-height: 100%;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.term-column.summer-term { border-style: dashed; border-color: rgba(203, 155, 99, 0.55); }

.term-column.term-all-passed {
  border-color: var(--success) !important;
  box-shadow: 0 0 0 1px rgba(69, 166, 124, 0.25);
}

.term-column.term-all-passed .term-head {
  background: var(--success-dim) !important;
  border-bottom-color: rgba(69, 166, 124, 0.35);
}

.term-head {
  padding: 10px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--surface-raised);
  border-start-start-radius: var(--radius-md);
  border-start-end-radius: var(--radius-md);
  transition: background 0.25s ease;
}

.term-title-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; gap: 6px; }

.term-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.84rem;
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  color: var(--text);
}

.term-title:hover { color: var(--accent); }

.edit-title-btn { font-size: 0.68rem; opacity: 0.55; transition: opacity 0.2s; }
.term-title:hover .edit-title-btn { opacity: 1; }

/* Enhanced Term Progress Bar */
.term-progress-bar-wrap {
  width: 100%;
  height: 4px;
  background: var(--bg);
  border-radius: 4px;
  margin-top: 6px;
  overflow: hidden;
}

.term-progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease, background-color 0.25s ease;
}

.bg-blue { background: var(--accent) !important; }
.bg-amber { background: var(--bronze) !important; }
.bg-red { background: var(--danger) !important; }

/* Enhanced Term Action Buttons */
.term-nav-btns { display: flex; gap: 5px; align-items: center; flex-shrink: 0; }

.term-nav-btn {
  background: var(--surface-raised);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 4px 7px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.term-nav-btn i.ti { font-size: 1.05rem; }

.term-nav-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
  background: var(--bg);
}

.delete-term-btn {
  color: var(--danger);
  background: var(--danger-dim);
  border-color: rgba(204, 92, 70, 0.4);
}

.delete-term-btn:hover {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

.pass-all-btn {
  color: var(--success);
  background: var(--success-dim);
  border-color: rgba(69, 166, 124, 0.4);
  font-weight: 700;
}

.pass-all-btn:hover {
  background: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

.term-meta-row { display: flex; justify-content: space-between; align-items: center; gap: 6px; flex-wrap: wrap; }

.chip {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.chip.exceeded { color: var(--danger); border-color: rgba(204, 92, 70, 0.5); }
.chip-bronze { color: var(--bronze); border-color: rgba(203, 155, 99, 0.35); }
.term-column.term-all-passed .chip-bronze { color: var(--success); border-color: rgba(69, 166, 124, 0.4); }

.term-limit-input {
  width: 34px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  text-align: center;
  border-radius: 4px;
  font-size: 0.68rem;
  padding: 1px 2px;
}

.term-dropzone {
  padding: 8px;
  min-height: 130px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border 0.2s ease, background-color 0.2s ease;
}

/* Active Drag-and-Drop Highlights */
body.dragging-active .term-dropzone {
  border: 2px dashed var(--accent);
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Course cards & Focus Mode Dimming
   ========================================================================== */

.course-card {
  background: var(--card-bg-inner);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 9px;
  cursor: grab;
  position: relative;
  user-select: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease, background-color 0.25s ease, opacity 0.2s ease;
}

.course-card:active { cursor: grabbing; }

/* Focus Mode Dimming */
.course-card.dimmed {
  opacity: 0.25 !important;
  filter: grayscale(40%);
}

.course-card.card-passed {
  border-inline-end: 3px solid var(--success);
  opacity: 0.88;
}

.course-card.card-error,
.course-card.prereq-error {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 1px rgba(204, 92, 70, 0.35);
}

.course-card.active-target { border-color: var(--accent) !important; transform: scale(1.02); opacity: 1 !important; z-index: 10; }
.course-card.highlight-prereq { border-color: var(--bronze) !important; box-shadow: 0 0 0 2px rgba(203, 155, 99, 0.4); opacity: 1 !important; z-index: 10; }
.course-card.highlight-postreq { border-color: var(--violet) !important; box-shadow: 0 0 0 2px rgba(155, 138, 196, 0.4); opacity: 1 !important; z-index: 10; }

.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 6px; }
.card-top .code { font-weight: 600; font-size: 0.7rem; color: var(--accent); letter-spacing: 0.2px; }
.card-top .hrs { font-size: 0.64rem; color: var(--text-secondary); background: var(--surface-raised); padding: 1px 5px; border-radius: 8px; }

.card-title {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8rem;
  margin: 4px 0 5px;
  line-height: 1.28;
  color: var(--text);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.62rem;
  color: var(--text-muted);
  line-height: 1.3;
  margin-bottom: 3px;
}

.tag i.ti { font-size: 0.95em; }
.tag.tag-danger { color: var(--danger); font-weight: 600; }

.card-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 5px;
  padding-top: 5px;
  border-top: 1px dashed var(--border-soft);
}

.passed-toggle {
  font-size: 0.64rem;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: var(--text-secondary);
}

.passed-toggle input { accent-color: var(--success); }

.grade-select {
  background: var(--surface-raised);
  color: var(--bronze);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.64rem;
  padding: 1px 3px;
  outline: none;
}

/* Shortcuts Grid Modal */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.shortcut-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
}

.shortcut-item kbd {
  font-family: var(--font-mono);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--accent);
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 13, 0.75);
  backdrop-filter: blur(2px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-content {
  background: var(--surface);
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 18px;
  color: var(--text);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-raised);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.modal-large { max-width: 860px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 10px;
  gap: 10px;
}

.modal-header h2, .modal-header h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; }

.close-btn { font-size: 1.3rem; cursor: pointer; color: var(--text-secondary); line-height: 1; padding: 2px 6px; }
.close-btn:hover { color: var(--text); }

.modal-body { margin-top: 12px; display: flex; flex-direction: column; gap: 12px; font-size: 0.8rem; line-height: 1.45; }
.modal-desc { color: var(--text-secondary); font-size: 0.8rem; }

.input-group { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.input-group label { font-size: 0.76rem; color: var(--text-secondary); font-weight: 600; }

.modal-input {
  padding: 9px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.88rem;
  font-family: var(--font-mono);
}

.modal-input:focus { border-color: var(--accent); }

.full-width-btn { width: 100%; justify-content: center; padding: 9px; margin-top: 8px; }

.result-box { background: var(--bg); border: 1px solid var(--border); padding: 12px; border-radius: var(--radius-sm); margin-top: 10px; display: none; }

.help-item h3 { font-size: 0.85rem; margin-bottom: 3px; }
.help-item p { font-size: 0.78rem; color: var(--text-secondary); }

/* Reset modal options */
.reset-options-list { display: flex; flex-direction: column; gap: 8px; }

.reset-option-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: start;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  gap: 2px;
  width: 100%;
  font-weight: 400;
}

.reset-option-btn strong { font-size: 0.85rem; font-family: var(--font-body); }
.reset-option-btn span { font-size: 0.72rem; color: var(--text-secondary); }

.btn-red-outline:hover { border-color: var(--danger); }
.btn-amber-outline:hover { border-color: var(--bronze); }
.btn-blue-outline:hover { border-color: var(--accent); }
.btn-purple-outline:hover { border-color: var(--violet); }

/* PDF audit modal */
.audit-summary-counts {
  display: flex;
  gap: 14px;
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--bg);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
}

.audit-list-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 8px; }
.audit-column-title { font-weight: 700; margin-bottom: 6px; border-bottom: 1px solid var(--border-soft); padding-bottom: 4px; font-size: 0.85rem; }
.audit-items-box { max-height: 250px; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.audit-item { padding: 5px 8px; border-radius: 4px; font-size: 0.72rem; background: var(--bg); border: 1px solid var(--border); }
.audit-item.passed { border-inline-start: 3px solid var(--success); }
.audit-item.failed { border-inline-start: 3px solid var(--danger); }

/* Custom alert / confirm */
.custom-alert-text { font-size: 0.86rem; line-height: 1.5; color: var(--text); }
.custom-alert-buttons { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

/* Action sheet */
.action-sheet-buttons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 10px; }
.action-sheet-btn { padding: 9px; font-size: 0.76rem; border-radius: var(--radius-sm); background: var(--bg); color: var(--text); border: 1px solid var(--border); text-align: center; }
.action-sheet-btn.active { background: var(--accent); color: var(--btn-primary-text); border-color: var(--accent); font-weight: 600; }

.mobile-actions-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.mobile-actions-grid button { padding: 10px 6px; font-size: 0.76rem; font-weight: 600; justify-content: center; }

@media (min-width: 769px) {
  .no-desktop-tool { display: none !important; }
}

/* ==========================================================================
   Critical Path — transit-line visualizer
   ========================================================================== */

.path { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px; margin-bottom: 12px; }
.path-chain-title { font-family: var(--font-display); font-weight: 600; color: var(--bronze); font-size: 0.9rem; margin-bottom: 12px; }

.route { display: flex; flex-wrap: wrap; align-items: center; gap: 0; }

.stop {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 20px;
  border: 2px solid var(--border);
  background: var(--surface-raised);
  color: var(--text-secondary);
  white-space: nowrap;
}

.stop i.ti { font-size: 0.95em; }
.stop.done { border-color: var(--success); color: var(--success); background: var(--success-dim); }
.stop.current { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.stop.locked { border-color: var(--border); color: var(--text-muted); }

.line {
  width: 22px;
  height: 2px;
  background: var(--border);
  flex-shrink: 0;
}

.path-branch-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface-raised);
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
  margin: 4px 0 4px 8px;
}

[dir="rtl"] .path-branch-group { margin: 4px 8px 4px 0; }

.path-branch-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.branch-tag {
  font-size: 0.64rem;
  color: var(--bronze);
  font-weight: 700;
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
  min-width: 88px;
  text-align: center;
}

/* ==========================================================================
   Mobile-only chrome
   ========================================================================== */

.mobile-controls-toggle, .mobile-term-tabs, .mobile-stats-footer { display: none; }

/* ==========================================================================
   Print
   ========================================================================== */

.print-only { display: none !important; }

@media print {
  .no-print { display: none !important; }
  .print-only { display: block !important; }
  body { background: #fff !important; color: #000 !important; height: auto !important; overflow: visible !important; }
  .main-container { overflow: visible !important; display: block !important; }
  .board { display: grid !important; grid-template-columns: repeat(3, 1fr) !important; gap: 12px !important; overflow: visible !important; padding: 0 !important; }
  .term-column { min-width: 100% !important; max-width: 100% !important; background: #fff !important; border: 1px solid #999 !important; color: #000 !important; break-inside: avoid; page-break-inside: avoid; }
  .term-head { background: #f2f2f2 !important; color: #000 !important; border-bottom: 1px solid #aaa !important; }
  .course-card { background: #fff !important; border: 1px solid #ccc !important; color: #000 !important; }
  .card-top .code { color: #0044cc !important; }
  .card-title { color: #000 !important; }
  .card-top .hrs { background: #eee !important; color: #000 !important; }
  .tag { color: #a15c00 !important; }
  .print-summary-header { border-bottom: 2px solid #000; padding-bottom: 12px; margin-bottom: 15px; font-family: 'Segoe UI', Tahoma, sans-serif; }
  .print-title-block h1 { font-size: 1.3rem; margin-bottom: 2px; color: #000; }
  .print-title-block p { font-size: 0.85rem; color: #444; }
  .print-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; font-size: 0.8rem; background: #f9f9f9; padding: 8px; border: 1px solid #ddd; }
  .print-tracks-row { margin-top: 8px; font-size: 0.78rem; color: #333; }
}

/* ==========================================================================
   Mobile responsive (< 768px)
   ========================================================================== */

@media (max-width: 768px) {
  body { height: auto !important; min-height: 100vh; overflow-y: auto !important; padding-bottom: 54px; }
  header { flex-direction: column !important; align-items: stretch !important; gap: 9px !important; padding: 10px 14px !important; }
  .header-title { text-align: center; }

  .desktop-controls, .stats-bar { display: none !important; }
  .mobile-controls-toggle { display: flex !important; justify-content: space-between; align-items: center; width: 100%; gap: 8px; }
  .mobile-controls-toggle #btn-mobile-actions { flex: 1; justify-content: center; }

  .mobile-term-tabs {
    display: flex !important;
    overflow-x: auto;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 7px 8px;
    gap: 6px;
    position: sticky;
    top: 0;
    z-index: 100;
    -webkit-overflow-scrolling: touch;
  }

  .m-tab-btn {
    white-space: nowrap;
    background: var(--bg);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: 14px;
    font-size: 0.74rem;
    font-weight: 600;
  }

  .m-tab-btn.active { background: var(--accent); color: var(--btn-primary-text); border-color: var(--accent); }

  .main-container { flex-direction: column !important; height: auto !important; overflow: visible !important; }
  .sidebar { width: 100% !important; border-inline-start: none !important; border-bottom: 2px solid var(--border) !important; overflow-y: visible !important; }
  .board { flex-direction: column !important; width: 100% !important; overflow: visible !important; padding: 8px 10px !important; }
  .term-column { min-width: 100% !important; max-width: 100% !important; width: 100% !important; max-height: none !important; margin-bottom: 8px; }

  .term-column.m-hidden, .sidebar.m-hidden { display: none !important; }

  .mobile-stats-footer {
    display: flex !important;
    position: fixed;
    bottom: 0;
    inset-inline: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 7px 14px;
    justify-content: space-around;
    align-items: center;
    z-index: 999;
    box-shadow: 0 -6px 16px rgba(0, 0, 0, 0.2);
  }

  .m-stat { font-size: 0.74rem; display: flex; gap: 4px; align-items: center; font-family: var(--font-mono); }
  .m-lbl { color: var(--text-secondary); font-family: var(--font-body); }
  .m-val { font-weight: 700; }

  .action-sheet-content {
    position: fixed !important;
    bottom: 0 !important;
    inset-inline: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    border-end-end-radius: 0 !important;
    border-end-start-radius: 0 !important;
    animation: slideUp 0.25s ease-out;
  }

  @keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

  .audit-list-grid { grid-template-columns: 1fr; }
  .shortcuts-grid { grid-template-columns: 1fr; }
}