/* ============================================
   PEAKPOINT SAT PREP - Mistakes Log
   ============================================ */

.mistakes-screen {
  background:
    radial-gradient(circle at 86% 5%, rgba(14, 165, 233, 0.14), transparent 34%),
    linear-gradient(180deg, #ffffff 0, var(--bg-primary) 360px);
}

.mistakes-main {
  background: transparent;
}

.mistakes-screen.sidebar-collapsed .mistakes-main {
  margin-left: 58px;
}

.mistakes-inner {
  width: min(1260px, calc(100% - 56px));
  margin: 0 auto;
  padding: 44px 0 84px;
}

.mistakes-hero {
  margin-bottom: 22px;
}

.mistakes-hero h1 {
  font-size: clamp(2.35rem, 5vw, 4rem);
  letter-spacing: 0;
  margin-top: 7px;
}

.mistakes-hero p {
  max-width: 760px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: 10px;
}

.mistake-stats article,
.mistakes-toolbar,
.mistakes-list-panel,
.pattern-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  box-shadow: var(--card-shadow);
}

.mistake-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.mistake-stats article {
  min-height: 108px;
  border-radius: 22px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, #ffffff, var(--surface-2));
}

.mistake-stats span {
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 800;
}

.mistake-stats strong {
  display: block;
  margin-top: 4px;
  font-size: 1.9rem;
}

.mistake-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  box-shadow: inset 0 -5px 0 var(--accent-deep), 0 16px 28px -18px rgba(3, 105, 161, 0.65);
  position: relative;
  flex: 0 0 auto;
}

.mistake-stat-icon::before,
.mistake-stat-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.error-mark::before {
  inset: 11px;
  border-radius: 50%;
}

.error-mark::after {
  width: 6px;
  height: 20px;
  left: 21px;
  top: 14px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 12px 0 var(--accent);
}

.repeat-mark::before {
  width: 27px;
  height: 17px;
  left: 11px;
  top: 15px;
  border: 4px solid currentColor;
  border-left-color: transparent;
  border-radius: 999px;
  background: transparent;
}

.repeat-mark::after {
  width: 9px;
  height: 9px;
  right: 9px;
  top: 10px;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.mastered-mark::before {
  width: 25px;
  height: 14px;
  left: 12px;
  top: 17px;
  border-left: 5px solid currentColor;
  border-bottom: 5px solid currentColor;
  transform: rotate(-45deg);
  background: transparent;
}

.mistakes-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: center;
  border-radius: 24px;
  padding: 18px;
  margin-bottom: 20px;
}

.mistake-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mistake-tabs button,
.mistakes-section-head button,
.mistake-actions button,
.pattern-card a {
  font-family: var(--font-display);
  font-weight: 800;
  transition: transform 0.18s var(--easing), background 0.18s var(--easing), color 0.18s var(--easing), box-shadow 0.18s var(--easing);
}

.mistake-tabs button {
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border-default);
  background: var(--surface-2);
  color: var(--text-heading);
  padding: 0 16px;
}

.mistake-tabs button.active {
  background: var(--accent-deep);
  color: #fff;
  border-color: var(--accent-deep);
  box-shadow: inset 0 -3px 0 #075985;
}

.mistakes-search input {
  width: 100%;
  min-height: 44px;
  border-radius: 999px;
  border: 1.5px solid var(--border-default);
  background: var(--bg-primary);
  color: var(--text-heading);
  font-family: var(--font-display);
  font-weight: 700;
  padding: 0 18px;
}

.mistakes-search input:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--glow-soft);
}

.mistakes-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  align-items: start;
}

.mistakes-list-panel {
  border-radius: 24px;
  padding: 24px;
}

.mistakes-section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}

.mistakes-section-head h2 {
  margin-top: 6px;
  font-size: 1.45rem;
}

.mistakes-section-head button {
  min-height: 38px;
  border-radius: 999px;
  border: 1px solid var(--border-default);
  background: var(--surface-2);
  color: var(--text-heading);
  padding: 0 14px;
}

.mistakes-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.mistake-card {
  min-height: 286px;
  display: flex;
  flex-direction: column;
  border-radius: 20px;
  border: 1px solid var(--border-soft);
  background:
    radial-gradient(circle at 90% 12%, rgba(14, 165, 233, 0.14), transparent 32%),
    linear-gradient(135deg, #ffffff, var(--surface-2));
  padding: 18px;
  transition: transform 0.2s var(--easing), box-shadow 0.2s var(--easing), opacity 0.2s var(--easing);
}

.mistake-card.repeated {
  border-color: #facc15;
}

.mistake-card.is-hidden {
  display: none;
}

.mistake-card.is-resolved {
  opacity: 0.45;
}

.mistake-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 42px -30px rgba(3, 105, 161, 0.44), var(--card-shadow);
}

.mistake-card-top,
.mistake-detail-grid,
.mistake-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mistake-card-top {
  justify-content: space-between;
}

.subject-pill,
.repeat-pill,
.date-pill,
.mistake-detail-grid span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 800;
  padding: 0 10px;
}

.subject-pill.math {
  background: #e0f2fe;
  color: var(--accent-deep);
}

.subject-pill.rw {
  background: #dcfce7;
  color: #047857;
}

.repeat-pill {
  background: #fef3c7;
  color: #a16207;
}

.date-pill,
.mistake-detail-grid span {
  background: #fff;
  color: var(--text-muted);
  border: 1px solid var(--border-soft);
}

.mistake-card h3 {
  font-size: 1.18rem;
  margin-top: 18px;
}

.mistake-card p {
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 8px;
}

.mistake-detail-grid {
  margin-top: 16px;
}

.mistake-detail-grid strong {
  margin-right: 5px;
}

.mistake-actions {
  margin-top: auto;
  padding-top: 18px;
}

.mistake-actions button,
.pattern-card a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 0;
  background: var(--accent);
  color: #fff;
  padding: 0 16px;
  box-shadow: inset 0 -4px 0 var(--accent-deep), 0 12px 24px -20px rgba(3, 105, 161, 0.72);
}

.mistake-actions .ghost-action {
  background: #fff;
  color: var(--accent-deep);
  border: 1px solid var(--border-default);
  box-shadow: none;
}

.mistake-actions .notebook-action {
  background: var(--surface-2);
  color: var(--accent-deep);
  border: 1px solid var(--border-default);
  box-shadow: none;
}

.mistake-tabs button:hover,
.mistakes-section-head button:hover,
.mistake-actions button:hover,
.pattern-card a:hover {
  transform: translateY(-1px);
}

.notebook-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(3, 105, 161, 0.18);
  backdrop-filter: blur(10px);
}

.notebook-modal[hidden] {
  display: none;
}

.notebook-panel {
  width: min(560px, 100%);
  position: relative;
  border-radius: 24px;
  border: 1px solid var(--border-default);
  background: #fff;
  padding: 28px;
  box-shadow: 0 30px 70px -28px rgba(3, 105, 161, 0.48), var(--card-shadow);
}

.notebook-panel h2 {
  font-size: 1.55rem;
  margin-top: 8px;
}

.notebook-panel p {
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 8px;
}

.notebook-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  background: var(--surface-2);
  color: var(--text-heading);
  font-size: 1.35rem;
  line-height: 1;
}

.notebook-field {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.notebook-field span {
  color: var(--text-heading);
  font-family: var(--font-display);
  font-weight: 800;
}

.notebook-field textarea {
  width: 100%;
  resize: vertical;
  min-height: 154px;
  border-radius: 18px;
  border: 1.5px solid var(--border-default);
  background: var(--bg-primary);
  color: var(--text-heading);
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.55;
  padding: 14px 16px;
}

.notebook-field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--glow-soft);
}

.notebook-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.notebook-actions button {
  min-height: 42px;
  border-radius: 999px;
  border: 0;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  padding: 0 16px;
  box-shadow: inset 0 -4px 0 var(--accent-deep), 0 12px 24px -20px rgba(3, 105, 161, 0.72);
}

.notebook-actions .ghost-action {
  background: #fff;
  color: var(--accent-deep);
  border: 1px solid var(--border-default);
  box-shadow: none;
}

.mistake-patterns {
  display: grid;
  gap: 16px;
  position: sticky;
  top: 22px;
}

.pattern-card {
  border-radius: 22px;
  padding: 20px;
  background:
    radial-gradient(circle at 88% 12%, rgba(14, 165, 233, 0.15), transparent 35%),
    #fff;
}

.pattern-card h2 {
  font-size: 1.2rem;
  margin-top: 8px;
}

.pattern-card p {
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 8px 0 18px;
}

@media (max-width: 1160px) {
  .mistakes-layout {
    grid-template-columns: 1fr;
  }

  .mistake-patterns {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 880px) {
  .mistakes-inner {
    width: min(100% - 28px, 680px);
  }

  .mistake-stats,
  .mistakes-toolbar,
  .mistakes-list,
  .mistake-patterns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .mistakes-screen.sidebar-collapsed .mistakes-main {
    margin-left: 0;
  }

  .mistakes-inner {
    width: min(100% - 22px, 560px);
    padding-top: 30px;
  }

  .mistakes-section-head {
    flex-direction: column;
  }
}