/* ============================================================
   Mock Test Mitra™ — dash.css  (v3)
   Dashboard-specific styles only.
   Depends on: main.css (tokens, header, footer, body base)
               nav.css  (sidebar, topbar, bottom-nav)
   ============================================================ */

/* ── Design tokens ── */
:root {
  --pf-excellent: #22c55e;
  --pf-good:      #3b82f6;
  --pf-moderate:  #f59e0b;
  --pf-poor:      #f97316;
  --pf-weak:      #ef4444;
  --card-radius:  12px;
}

/* ── Error banner ── */
.dash-error-banner {
  margin: var(--sp-3) 0;
  padding: var(--sp-3) var(--sp-4);
  background: #fff0f0;
  color: #721c24;
  border: 1px solid var(--clr-danger);
  border-radius: var(--radius-sm);
  font-size: var(--fs-base);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
[data-theme="dark"] .dash-error-banner {
  background: rgba(220,53,69,0.15);
  color: #f5c6cb;
  border-color: rgba(220,53,69,0.5);
}

/* ── Layout ── */
.dash-wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: var(--sp-7, 28px) var(--sp-5) var(--sp-12);
  min-height: 100vh;
}

/* ── Loading ── */
#dashboard-loading {
  text-align: center;
  padding: var(--sp-20) var(--sp-5);
  color: var(--text-secondary);
  font-size: var(--fs-md);
}

/* ── Top / welcome card ── */
.top-card {
  background: linear-gradient(135deg, #0d47a1 0%, #1565c0 55%, #1976d2 100%);
  border-radius: var(--card-radius);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: 12px;
  box-shadow: 0 6px 24px rgba(13,71,161,0.28);
  position: relative;
  overflow: hidden;
}
.top-card::before {
  content: '';
  position: absolute;
  right: -50px;
  top: -50px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  pointer-events: none;
}
.top-card::after {
  content: '';
  position: absolute;
  right: 80px;
  bottom: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  pointer-events: none;
}
[data-theme="dark"] .top-card {
  background: linear-gradient(135deg, #0a1f4e 0%, #0d3880 55%, #0d47a1 100%);
  box-shadow: 0 6px 24px rgba(0,0,0,0.45);
}

.welcome-name {
  font-family: 'Poppins', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 2px;
  line-height: 1.2;
}
.user-meta {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.8);
  margin: 0;
}

#streak-badge {
  color: #fff !important;
  opacity: 0.95;
}

.btn-signout {
  padding: 9px 22px;
  background: rgba(255,255,255,0.14);
  border: 1.5px solid rgba(255,255,255,0.45);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: var(--fs-base);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur-normal), border-color var(--dur-normal);
  backdrop-filter: blur(4px);
  white-space: nowrap;
  position: relative;
  z-index: 1;
}
.btn-signout:hover {
  background: rgba(255,255,255,0.26);
  border-color: rgba(255,255,255,0.8);
}

/* ── Section label ── */
.section-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin: 0 0 8px;
}

/* ── Overall stats row ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.stat-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--card-radius);
  background: var(--bg);
  border: 1px solid var(--divider-light);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
[data-theme="dark"] .stat-card {
  background: var(--card-bg);
  border-color: var(--border);
}

.stat-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon-wrap svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

/* Per-card colour accent — light */
.stat-card[data-stat="tests"]    .stat-icon-wrap { background: #e3f2fd; color: #1565c0; }
.stat-card[data-stat="subjects"] .stat-icon-wrap { background: #e8f5e9; color: #2e7d32; }
.stat-card[data-stat="avg"]      .stat-icon-wrap { background: #fce4ec; color: #c62828; }
.stat-card[data-stat="best"]     .stat-icon-wrap { background: #fff8e1; color: #f57f17; }
.stat-card[data-stat="pages"]    .stat-icon-wrap { background: #f3e5f5; color: #6a1b9a; }
.stat-card[data-stat="progress"] .stat-icon-wrap { background: #e0f2f1; color: #00695c; }

/* Per-card colour accent — dark */
[data-theme="dark"] .stat-card[data-stat="tests"]    .stat-icon-wrap { background: #112240; color: #90caf9; }
[data-theme="dark"] .stat-card[data-stat="subjects"] .stat-icon-wrap { background: #112211; color: #81c784; }
[data-theme="dark"] .stat-card[data-stat="avg"]      .stat-icon-wrap { background: #2a1010; color: #ef9a9a; }
[data-theme="dark"] .stat-card[data-stat="best"]     .stat-icon-wrap { background: #2a2010; color: #ffcc80; }
[data-theme="dark"] .stat-card[data-stat="pages"]    .stat-icon-wrap { background: #1e0f2a; color: #ce93d8; }
[data-theme="dark"] .stat-card[data-stat="progress"] .stat-icon-wrap { background: #0f2020; color: #80cbc4; }

.stat-text {
  text-align: left;
  min-width: 0;
}

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  display: block;
}

.stat-label {
  font-size: 0.62rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  white-space: nowrap;
}

/* Mini progress bar inside progress stat card */
.stat-mini-bar {
  width: 100%;
  height: 3px;
  background: var(--divider-light);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 3px;
}
.stat-mini-bar-fill {
  height: 100%;
  background: #00695c;
  width: 0%;
  transition: width 0.7s ease;
}
[data-theme="dark"] .stat-mini-bar      { background: #2a2a2a; }
[data-theme="dark"] .stat-mini-bar-fill { background: #80cbc4; }

/* ── Tabs ── */
.dash-tabs { margin-top: var(--sp-1); }

.dash-tab-bar {
  display: flex;
  gap: var(--sp-1);
  flex-wrap: wrap;
  border-bottom: 2px solid var(--divider-light);
  padding-bottom: 0;
  margin-bottom: 0;
}
.dash-tab {
  padding: 8px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.dash-tab:hover  { color: var(--primary); background: var(--surface-alt); }
.dash-tab.active { color: var(--primary); border-bottom-color: var(--primary); background: var(--surface-alt); }
[data-theme="dark"] .dash-tab-bar  { border-color: #2a2a2a; }
[data-theme="dark"] .dash-tab      { color: var(--text-secondary); }
[data-theme="dark"] .dash-tab:hover  { color: var(--primary); background: rgba(255,255,255,0.05); }
[data-theme="dark"] .dash-tab.active { color: var(--primary); border-bottom-color: var(--primary); background: rgba(255,255,255,0.05); }

.dash-tab-panel { display: none; }
.dash-tab-panel.active { display: block; }

/* ── Controls row: search + sort + view toggle ── */
.dash-controls-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 0;
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 140px;
  max-width: 280px;
}
.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--text-secondary);
  pointer-events: none;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}
.search-input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: var(--fs-sm);
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  outline: none;
  box-sizing: border-box;
}
.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13,71,161,0.10);
}
.search-input::placeholder { color: var(--text-secondary); }
[data-theme="dark"] .search-input {
  background: var(--card-bg);
  border-color: #333;
  color: var(--text);
}
[data-theme="dark"] .search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(144,202,249,0.12);
}

.controls-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.sort-select {
  padding: 8px var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: var(--fs-sm);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: border-color var(--dur-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}
.sort-select:hover, .sort-select:focus { border-color: var(--primary); }
[data-theme="dark"] .sort-select {
  background-color: var(--card-bg);
  border-color: #333;
  color: var(--text);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23aaa' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
}

.view-toggle-group {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.view-btn {
  padding: 7px 11px;
  background: var(--bg);
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.view-btn + .view-btn { border-left: 1px solid var(--border); }
.view-btn svg { width: 16px; height: 16px; fill: currentColor; }
.view-btn:hover  { background: var(--surface-alt); color: var(--primary); }
.view-btn.active { background: var(--primary); color: #fff; }
[data-theme="dark"] .view-toggle-group { border-color: #333; }
[data-theme="dark"] .view-btn { background: var(--card-bg); color: var(--text-secondary); }
[data-theme="dark"] .view-btn + .view-btn { border-color: #333; }
[data-theme="dark"] .view-btn:hover  { background: rgba(255,255,255,0.08); color: var(--primary); }
[data-theme="dark"] .view-btn.active { background: var(--primary); color: #fff; }

/* ── Subject cards grid ── */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

/* ── Subject card — side bar + body layout ── */
.subject-card {
  display: flex;
  flex-direction: row;
  background: var(--bg);
  border: 1px solid var(--divider-light);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
}
.subject-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(13,71,161,0.14);
  border-color: rgba(13,71,161,0.2);
}
[data-theme="dark"] .subject-card {
  background: var(--card-bg);
  border-color: rgba(255,255,255,0.07);
}
[data-theme="dark"] .subject-card:hover {
  box-shadow: 0 10px 28px rgba(0,0,0,0.4);
  border-color: rgba(255,255,255,0.14);
}

/* Colored left accent bar */
.sc-side-bar {
  width: 4px;
  flex-shrink: 0;
}

/* Card body */
.sc-body {
  flex: 1;
  padding: 10px 12px 9px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

/* Header row */
.sc-head {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.sc-icon {
  font-size: 1.05rem;
  flex-shrink: 0;
  margin-top: 1px;
  line-height: 1;
}
.sc-info {
  flex: 1;
  min-width: 0;
}
.sc-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin: 0 0 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sc-sub {
  font-size: 0.64rem;
  color: var(--text-secondary);
  opacity: 0.75;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Hero badge — best score */
.sc-badge {
  font-size: 0.88rem;
  font-weight: 700;
  font-family: 'Playfair Display', serif;
  padding: 2px 7px;
  border-radius: 6px;
  flex-shrink: 0;
  line-height: 1.5;
}

/* Performance color classes — badge and text */
.pf-excellent { color: var(--pf-excellent); background: rgba(34,197,94,0.1); }
.pf-good      { color: var(--pf-good);      background: rgba(59,130,246,0.1); }
.pf-moderate  { color: var(--pf-moderate);  background: rgba(245,158,11,0.1); }
.pf-poor      { color: var(--pf-poor);      background: rgba(249,115,22,0.1); }
.pf-weak      { color: var(--pf-weak);      background: rgba(239,68,68,0.1);  }

/* When used as plain text (no background) */
.sc-bar-label.pf-excellent,
.sc-bar-label.pf-good,
.sc-bar-label.pf-moderate,
.sc-bar-label.pf-poor,
.sc-bar-label.pf-weak {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 0.65rem;
  font-weight: 700;
}

/* Progress bar row */
.sc-progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sc-bar {
  flex: 1;
  height: 6px;
  background: var(--divider-light);
  border-radius: 3px;
  overflow: hidden;
}
[data-theme="dark"] .sc-bar { background: rgba(255,255,255,0.09); }
.sc-bar-fill {
  height: 100%;
  border-radius: 3px;
  min-width: 3px;
  transition: width 0.55s ease;
}
.sc-bar-label {
  font-size: 0.65rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Footer */
.sc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.sc-footer-hint {
  font-size: 0.62rem;
  color: var(--text-secondary);
  opacity: 0.65;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sc-cta {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  padding: 3px 9px;
  border-radius: 5px;
  background: rgba(13,71,161,0.07);
  border: 1px solid rgba(13,71,161,0.15);
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.sc-cta:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
[data-theme="dark"] .sc-cta {
  background: rgba(144,202,249,0.08);
  border-color: rgba(144,202,249,0.18);
}
[data-theme="dark"] .sc-cta:hover {
  background: var(--primary);
  color: #121212;
}

/* ── Backward-compat aliases ── */
.pct-good { color: var(--pf-excellent); }
.pct-avg  { color: var(--pf-moderate); }
.pct-low  { color: var(--pf-weak); }

/* ── List view — new card structure ── */
.subjects-grid.list-view { grid-template-columns: 1fr; }
.subjects-grid.list-view .subject-card { flex-direction: row; }
.subjects-grid.list-view .sc-body { flex-direction: row; align-items: center; gap: 12px; }
.subjects-grid.list-view .sc-head { flex: 2; min-width: 0; }
.subjects-grid.list-view .sc-progress-row { flex: 1; min-width: 80px; }
.subjects-grid.list-view .sc-footer { flex-shrink: 0; flex-direction: column; align-items: flex-end; gap: 4px; }

/* ── Study material progress bar ── */
.progress-track {
  margin: 6px 0 0;
  background: var(--divider-light);
  border-radius: 3px;
  height: 5px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}
[data-theme="dark"] .progress-track { background: #2a2a2a; }

/* ── Empty state ── */
.empty-state {
  background: var(--bg);
  border: 2px dashed var(--divider-light);
  border-radius: var(--radius-lg);
  padding: var(--sp-16) var(--sp-5);
  text-align: center;
  color: var(--text-secondary);
  grid-column: 1 / -1;
}
[data-theme="dark"] .empty-state { background: var(--card-bg); border-color: var(--border); }
.empty-state p { margin: var(--sp-2) 0 var(--sp-5); font-size: var(--fs-base); }
.empty-state a {
  display: inline-block;
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-base);
  transition: opacity var(--dur-fast);
}
.empty-state a:hover { opacity: 0.85; }

/* ── Responsive ── */
@media (max-width: 1200px) {
  .stats-row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .subjects-grid { grid-template-columns: 1fr; }
  .top-card { padding: 14px 18px; }
  .welcome-name { font-size: 1.2rem; }
  .dash-controls-row { flex-direction: column; align-items: stretch; }
  .search-wrap { max-width: 100%; }
  .controls-right { margin-left: 0; justify-content: space-between; }
}
@media (max-width: 480px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .dash-wrap { padding: var(--sp-4) var(--sp-3) var(--sp-10); }
}