/* CADO Profile Hub — Save My Exams style learning dashboard */

.profile-page {
  max-width: 1180px;
  margin: 0 auto;
}

.ph-hub {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  animation: ph-fade-in 0.35s ease;
}

@keyframes ph-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero */
.ph-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 1rem 1.5rem;
  padding: 1.5rem 1.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.ph-hero-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  grid-column: 1;
  position: relative;
}

.ph-avatar-wrap { flex-shrink: 0; }

.ph-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  font-size: 2rem;
  background: var(--bg-muted);
  border: 2px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.ph-avatar:hover {
  transform: scale(1.05);
  border-color: var(--primary);
}

.ph-hero-name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  margin: 0 0 0.2rem;
}

.ph-hero-meta,
.ph-hero-hint {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}

.ph-hero-stats {
  display: flex;
  gap: 1.25rem;
  grid-column: 2;
  grid-row: 1;
  align-items: center;
}

.ph-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 5rem;
}

.ph-stat-val {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.ph-stat-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ph-hero-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.ph-btn-revision--urgent {
  border-color: #f59e0b;
  color: #f59e0b;
}

/* Avatar picker */
.ph-avatar-picker {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.65rem;
  margin-top: 0.35rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg, 0 8px 24px rgba(0,0,0,0.12));
}

.ph-avatar-opt {
  width: 2.25rem;
  height: 2.25rem;
  font-size: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-muted);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.ph-avatar-opt.is-active,
.ph-avatar-opt:hover {
  border-color: var(--primary);
}

/* Layout grid */
.ph-main-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.25rem;
  align-items: start;
}

.ph-main-col,
.ph-side-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Sections */
.ph-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}

.ph-section-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.ph-section-head h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0;
  flex: 1;
}

.ph-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  background: var(--bg-muted);
  color: var(--text-muted);
}

.ph-pill--urgent {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
}

[data-theme="dark"] .ph-pill--urgent {
  color: #fbbf24;
}

.ph-empty {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Revision */
.ph-revision-section {
  border-left: 3px solid #f59e0b;
}

.ph-rev-group { margin-bottom: 1rem; }
.ph-rev-group:last-child { margin-bottom: 0; }

.ph-rev-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}

.ph-rev-label--overdue { color: #dc2626; }
[data-theme="dark"] .ph-rev-label--overdue { color: #f87171; }

.ph-rev-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ph-rev-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  background: var(--bg-muted);
  border-radius: var(--radius-md);
  transition: background 0.15s ease;
}

.ph-rev-item:hover { background: var(--bg); }

.ph-rev-icon { font-size: 1.25rem; flex-shrink: 0; }

.ph-rev-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.ph-rev-topic {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ph-rev-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.ph-rev-list--compact .ph-rev-item {
  padding: 0.45rem 0.6rem;
}

/* Weak hint */
.ph-hint-card {
  display: flex;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(6, 182, 212, 0.06));
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
}

.ph-hint-icon { font-size: 1.5rem; flex-shrink: 0; }

.ph-hint-card strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
}

.ph-hint-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.ph-hint-card em {
  font-style: normal;
  font-weight: 600;
  color: var(--text);
}

/* Subject cards */
.ph-subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.ph-subject-card {
  padding: 1.1rem;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.ph-subject-card:hover {
  border-color: var(--sub-color, var(--primary));
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.ph-subject-card.is-active {
  border-color: var(--sub-color, var(--primary));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--sub-color, var(--primary)) 25%, transparent);
}

.ph-subject-card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.ph-subject-icon { font-size: 1.5rem; line-height: 1; }

.ph-subject-titles { flex: 1; min-width: 0; }

.ph-subject-titles h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.ph-subject-code {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--sub-color, var(--primary));
}

/* Progress ring */
.ph-ring { flex-shrink: 0; transform: rotate(-90deg); }

.ph-ring-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 4;
}

.ph-ring-fill {
  fill: none;
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s ease;
}

.ph-ring-text {
  transform: rotate(90deg);
  transform-origin: center;
  font-size: 11px;
  font-weight: 700;
  fill: var(--text);
}

.ph-subject-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.ph-subject-metrics strong {
  color: var(--text);
  font-weight: 700;
}

.ph-readiness {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.ph-readiness-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.ph-readiness-bar {
  flex: 1;
  height: 5px;
  background: var(--bg);
  border-radius: 100px;
  overflow: hidden;
}

.ph-readiness-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 0.4s ease;
}

.ph-readiness-pct {
  font-size: 0.78rem;
  font-weight: 700;
  min-width: 2.25rem;
  text-align: right;
}

/* Topic panel */
.ph-topic-panel { animation: ph-fade-in 0.25s ease; }

.ph-close-panel {
  background: none;
  border: none;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 0.25rem;
}

.ph-topic-summary {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: -0.5rem 0 1rem;
}

.ph-topic-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 420px;
  overflow-y: auto;
}

.ph-topic-row {
  display: grid;
  grid-template-columns: 2rem 1fr auto auto;
  gap: 0.65rem;
  align-items: center;
  padding: 0.65rem 0.75rem;
  background: var(--bg-muted);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--border);
}

.ph-topic-row--learning { border-left-color: #3b82f6; }
.ph-topic-row--revision { border-left-color: #f59e0b; }
.ph-topic-row--mastered { border-left-color: #10b981; }
.ph-topic-row--not_started { border-left-color: var(--border); opacity: 0.85; }

.ph-topic-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
}

.ph-topic-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.ph-topic-name {
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ph-topic-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.ph-topic-mastery {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 4.5rem;
}

.ph-topic-bar {
  width: 3rem;
  height: 4px;
  background: var(--bg);
  border-radius: 100px;
  overflow: hidden;
}

.ph-topic-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 100px;
}

.ph-topic-mastery > span {
  font-size: 0.72rem;
  font-weight: 700;
  min-width: 2rem;
}

.ph-topic-actions {
  display: flex;
  gap: 0.35rem;
}

/* Timeline */
.ph-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ph-timeline-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.ph-timeline-item:last-child { border-bottom: none; }

.ph-timeline-icon {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-muted);
  border-radius: 50%;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.ph-timeline-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.ph-timeline-label {
  font-size: 0.85rem;
  font-weight: 600;
}

.ph-timeline-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.ph-timeline-time {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Badges */
.ph-badge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.ph-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.65rem 0.35rem;
  background: var(--bg-muted);
  border-radius: var(--radius-md);
  opacity: 0.45;
  filter: grayscale(0.6);
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.ph-badge.is-earned {
  opacity: 1;
  filter: none;
}

.ph-badge-icon { font-size: 1.35rem; }

.ph-badge-name {
  font-size: 0.65rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}

/* Settings */
.ph-settings-form,
.ph-auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ph-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
}

.ph-field > span {
  font-weight: 600;
  color: var(--text-muted);
}

.ph-pref-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ph-pref-chip {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.ph-pref-chip input { display: none; }

.ph-pref-chip span {
  font-size: 0.78rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-muted);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.ph-pref-chip input:checked + span {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, var(--bg-muted));
}

.ph-account-block {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.ph-account-greeting { margin: 0 0 0.25rem; font-size: 0.9rem; }
.ph-account-email { margin: 0 0 0.75rem; font-size: 0.85rem; color: var(--text-muted); }
.ph-note { font-size: 0.85rem; color: var(--text-muted); margin: 0 0 0.75rem; }

/* Responsive */
@media (max-width: 960px) {
  .ph-main-grid {
    grid-template-columns: 1fr;
  }

  .ph-side-col {
    order: 3;
  }

  .ph-hero {
    grid-template-columns: 1fr;
  }

  .ph-hero-stats {
    grid-column: 1;
    grid-row: auto;
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .ph-subject-grid {
    grid-template-columns: 1fr;
  }

  .ph-topic-row {
    grid-template-columns: 1.5rem 1fr;
    grid-template-rows: auto auto;
  }

  .ph-topic-mastery,
  .ph-topic-actions {
    grid-column: 2;
  }

  .ph-topic-actions {
    justify-content: flex-start;
  }

  .ph-badge-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ph-hero-stats {
    flex-wrap: wrap;
  }
}