/* ─── Kairova App Styles ─── */
/* Premium warm palette — no gradients */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,600;0,9..144,700;0,9..144,800;1,9..144,400;1,9..144,500&family=Inter:wght@300;400;500;600&display=swap');

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

:root {
  --bg: #FAF8F5;
  --surface: #FFFFFF;
  --surface-2: #F3EFEA;
  --surface-3: #E8E3DC;
  --accent: #2D5A3D;
  --accent-glow: #3D7A54;
  --accent-dim: rgba(45, 90, 61, 0.06);
  --copper: #C4956A;
  --copper-dim: rgba(196, 149, 106, 0.1);
  --warm: #D4654A;
  --warm-dim: rgba(212, 101, 74, 0.08);
  --teal: #5B9EA6;
  --teal-dim: rgba(91, 158, 166, 0.08);
  --green: #4A8C5C;
  --green-dim: rgba(74, 140, 92, 0.08);
  --text: #2C2825;
  --text-muted: #6B6560;
  --text-dim: #A39E98;
  --border: #E8E3DD;
  --border-accent: rgba(45, 90, 61, 0.2);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 6px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
  min-height: 100vh;
  font-weight: 400;
}

/* ─── Layout ─── */
.app-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: 100vh;
}

/* ─── Nav ─── */
.app-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 2rem;
  backdrop-filter: blur(12px);
  background: rgba(250, 248, 245, 0.9);
  border-bottom: 1px solid var(--border);
}
.app-nav .nav-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.app-logo {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.app-nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.user-name {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.btn-logout {
  font-size: 0.75rem;
  color: var(--text-dim);
  background: none;
  border: 1px solid var(--border);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-logout:hover {
  color: var(--warm);
  border-color: rgba(212, 101, 74, 0.3);
}

/* ─── Screens ─── */
.screen {
  display: none;
  padding-top: 5rem;
}
.screen.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Welcome / Auth Screen ─── */
.welcome-screen {
  text-align: center;
  padding-top: 12vh !important;
}
.welcome-icon {
  margin-bottom: 2rem;
}
.welcome-screen h1 {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 2.2rem;
  letter-spacing: -1px;
  margin-bottom: 0.75rem;
  color: var(--text);
}
.welcome-screen p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 400px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* ─── Forms ─── */
.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.3px;
}
.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-input::placeholder {
  color: var(--text-dim);
}
textarea.form-input {
  min-height: 80px;
  resize: vertical;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(45, 90, 61, 0.18);
}
.btn-primary:hover {
  background: var(--accent-glow);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(45, 90, 61, 0.22);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--border-accent);
  background: var(--surface-2);
}
.btn-ghost {
  background: none;
  color: var(--text-muted);
  padding: 0.85rem 1.5rem;
}
.btn-ghost:hover {
  color: var(--text);
}
.btn-block {
  width: 100%;
}
.btn-row {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

/* ─── Auth form ─── */
.auth-form {
  max-width: 380px;
  margin: 0 auto;
}

/* ─── Onboarding ─── */
.onboarding-header {
  margin-bottom: 2.5rem;
}
.step-indicator {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.step-dot {
  width: 100%;
  height: 3px;
  border-radius: 100px;
  background: var(--surface-3);
  transition: background 0.3s;
}
.step-dot.active {
  background: var(--accent);
}
.step-dot.completed {
  background: var(--green);
}
.onboarding-header h2 {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.8rem;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.onboarding-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ─── Goal cards ─── */
.goal-entry {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  position: relative;
  transition: box-shadow 0.2s;
}
.goal-entry:hover {
  box-shadow: 0 4px 12px rgba(45, 40, 35, 0.04);
}
.goal-entry .goal-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: 'Fraunces', serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--surface-3);
}
.goal-entry .form-group {
  margin-bottom: 1rem;
}
.goal-entry .form-group:last-child {
  margin-bottom: 0;
}

/* ─── Selection grid ─── */
.select-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.select-card {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.select-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(45, 40, 35, 0.04);
}
.select-card.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.select-card .card-icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}
.select-card .card-title {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  letter-spacing: -0.2px;
}
.select-card .card-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── Chip selector (for struggles) ─── */
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chip {
  padding: 0.6rem 1.2rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  color: var(--text-muted);
}
.chip:hover {
  border-color: var(--border-accent);
  color: var(--text);
}
.chip.selected {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Energy slider ─── */
.time-picker {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.time-picker select {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}
.time-picker select:focus {
  border-color: var(--accent);
}
.range-wrapper {
  margin-top: 0.5rem;
}
.range-wrapper input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 100px;
  background: var(--surface-3);
  outline: none;
}
.range-wrapper input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(45, 90, 61, 0.3);
}
.range-value {
  text-align: center;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.range-label {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ─── Communication style ─── */
.style-cards {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}
.style-card {
  padding: 1.5rem 1rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.style-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 4px 12px rgba(45, 40, 35, 0.04);
}
.style-card.selected {
  border-color: var(--accent);
}
.style-card.selected.gentle { border-color: var(--teal); background: var(--teal-dim); }
.style-card.selected.balanced { border-color: var(--accent); background: var(--accent-dim); }
.style-card.selected.tough { border-color: var(--warm); background: var(--warm-dim); }
.style-card .style-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
.style-card .style-name {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  letter-spacing: -0.2px;
}
.style-card .style-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── Dashboard ─── */
.dashboard-header {
  margin-bottom: 2rem;
}
.dashboard-header h1 {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.5px;
  margin-bottom: 0.25rem;
  color: var(--text);
}
.dashboard-header .date-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-summary {
  background: var(--accent-dim);
  border: 1px solid rgba(45, 90, 61, 0.12);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.plan-summary p {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.7;
}
.plan-summary .energy-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 0.75rem;
}
.energy-badge.high { background: var(--green-dim); color: var(--green); }
.energy-badge.medium { background: rgba(45, 90, 61, 0.06); color: var(--accent); }
.energy-badge.low { background: var(--warm-dim); color: var(--warm); }

/* ─── Progress bar ─── */
.progress-section {
  margin-bottom: 2rem;
}
.progress-bar-wrapper {
  background: var(--surface-3);
  border-radius: 100px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 100px;
  background: var(--accent);
  transition: width 0.5s ease;
}
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ─── Plan tier sections ─── */
.tier-section {
  margin-bottom: 2rem;
}
.tier-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.tier-badge {
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: 'Inter', sans-serif;
}
.tier-badge.must_do { background: var(--warm-dim); color: var(--warm); }
.tier-badge.should_do { background: var(--accent-dim); color: var(--accent); }
.tier-badge.optional { background: var(--teal-dim); color: var(--teal); }
.tier-header h3 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.2px;
}

/* ─── Plan items ─── */
.plan-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  gap: 1rem;
  transition: all 0.2s;
  cursor: default;
}
.plan-item:hover {
  box-shadow: 0 2px 8px rgba(45, 40, 35, 0.04);
  border-color: var(--border-accent);
}
.plan-item.completed {
  opacity: 0.55;
  border-color: rgba(74, 140, 92, 0.2);
  background: rgba(74, 140, 92, 0.02);
}
.plan-item.completed .item-title {
  text-decoration: line-through;
  color: var(--text-dim);
}
.plan-item.skipped {
  opacity: 0.35;
}
.plan-item.skipped .item-title {
  text-decoration: line-through;
}

.item-check {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 2px;
  font-size: 0.8rem;
  background: none;
  color: transparent;
}
.item-check:hover {
  border-color: var(--green);
  background: var(--green-dim);
  color: var(--green);
}
.plan-item.completed .item-check {
  border-color: var(--green);
  background: var(--green-dim);
  color: var(--green);
}
.plan-item.skipped .item-check {
  border-color: var(--text-dim);
  color: var(--text-dim);
}

.item-content {
  flex: 1;
}
.item-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  color: var(--text);
}
.item-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}
.item-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.7rem;
  color: var(--text-dim);
}
.item-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.item-actions {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.item-action-btn {
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-xs);
  font-size: 0.65rem;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}
.item-action-btn:hover {
  border-color: var(--text-muted);
  color: var(--text-muted);
}
.item-action-btn.skip-btn:hover {
  border-color: rgba(212, 101, 74, 0.3);
  color: var(--warm);
}

/* ─── Regenerate ─── */
.regen-section {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
}
.regen-section p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

/* ─── Empty state ─── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}
.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.empty-state h2 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.3px;
}
.empty-state p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* ─── Loading ─── */
.loading-state {
  text-align: center;
  padding: 4rem 2rem;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--surface-3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1.5rem;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.loading-state p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  border: none;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 200;
  transition: transform 0.3s ease;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(45, 90, 61, 0.2);
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .app-container { padding: 1.5rem 1rem; }
  .select-grid { grid-template-columns: 1fr; }
  .style-cards { grid-template-columns: 1fr; }
  .welcome-screen { padding-top: 8vh !important; }
  .welcome-screen h1 { font-size: 1.8rem; }
  .btn-row { flex-direction: column; }
  .btn-row .btn { width: 100%; }
}