/* ─── Reset & base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #f8f7f4;
  --surface:   #ffffff;
  --border:    rgba(0,0,0,0.10);
  --border-md: rgba(0,0,0,0.18);
  --text:      #1a1a1a;
  --muted:     #6b6b6b;
  --hint:      #9e9e9e;
  --accent:    #534AB7;
  --accent-bg: #EEEDFE;
  --accent-border: #AFA9EC;
  --green:     #1D9E75;
  --green-bg:  #E1F5EE;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow:    0 1px 3px rgba(0,0,0,0.07);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #1a1918;
    --surface:   #242322;
    --border:    rgba(255,255,255,0.10);
    --border-md: rgba(255,255,255,0.18);
    --text:      #e8e6e0;
    --muted:     #9e9c96;
    --hint:      #6b6966;
    --accent:    #7F77DD;
    --accent-bg: #26215C;
    --accent-border: #534AB7;
    --green:     #5DCAA5;
    --green-bg:  #04342C;
  }
}

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ─── Layout ──────────────────────────────────────────────────────────────── */
#app { display: flex; flex-direction: column; min-height: 100vh; }

header {
  background: var(--surface);
  border-bottom: 0.5px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

header .logo {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.3px;
  text-decoration: none;
}

nav { display: flex; gap: 0.25rem; }

nav button {
  background: none;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

nav button:hover { background: var(--bg); color: var(--text); }
nav button.active { background: var(--accent-bg); color: var(--accent); font-weight: 500; }

main { flex: 1; padding: 1.5rem; max-width: 1100px; margin: 0 auto; width: 100%; }

.view { display: none; }
.view.active { display: block; }

/* ─── Cards & surfaces ────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  border: 0.5px solid var(--border-md);
  background: var(--surface);
  color: var(--text);
}

.btn:hover { background: var(--bg); }
.btn:active { opacity: 0.75; }

.btn-primary {
  background: var(--accent-bg);
  border-color: var(--accent-border);
  color: var(--accent);
  font-weight: 500;
}

.btn-primary:hover { opacity: 0.85; background: var(--accent-bg); }

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ─── Form elements ───────────────────────────────────────────────────────── */
input[type=text], input[type=search], select, textarea {
  background: var(--surface);
  border: 0.5px solid var(--border-md);
  border-radius: var(--radius-sm);
  padding: 7px 11px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  width: 100%;
  font-family: inherit;
  transition: border-color 0.15s;
}

input[type=text]:focus,
input[type=search]:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}

select { cursor: pointer; }

/* ─── Colour swatch ───────────────────────────────────────────────────────── */
.swatch {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 0.5px solid rgba(0,0,0,0.15);
  flex-shrink: 0;
  vertical-align: middle;
}

.swatch-lg {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

/* ─── Badges ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
}

.badge-accent { background: var(--accent-bg); color: var(--accent); }
.badge-green  { background: var(--green-bg);  color: var(--green);  }
.badge-muted  { background: var(--bg); color: var(--muted); border: 0.5px solid var(--border); }

/* ─── Loading / empty states ─────────────────────────────────────────────── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 3rem;
  color: var(--hint);
  font-size: 14px;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty {
  text-align: center;
  padding: 3rem;
  color: var(--hint);
  font-size: 14px;
}

/* ─── Calendar ────────────────────────────────────────────────────────────── */
.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.cal-week-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 1.25rem 0 0.5rem;
}

.cal-week-label:first-of-type { margin-top: 0; }

.dow-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 5px;
  margin-bottom: 5px;
}

.dow-cell {
  font-size: 11px;
  color: var(--hint);
  text-align: center;
  padding-bottom: 3px;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 5px;
  margin-bottom: 5px;
}

.day-card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 7px;
  min-height: 88px;
  cursor: pointer;
  transition: border-color 0.15s;
  position: relative;
}

.day-card:hover { border-color: var(--border-md); }

.day-card.is-today {
  border-color: var(--accent);
  border-width: 1.5px;
}

.day-card.is-past {
  background: var(--bg);
}

.day-card.is-planned {
  background: var(--surface);
}

.day-card.is-empty {
  background: transparent;
  border-color: transparent;
  cursor: default;
  pointer-events: none;
}

.day-num {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 5px;
}

.is-today .day-num { color: var(--accent); }
.is-past .day-num  { color: var(--muted);  }

.day-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-bottom: 4px;
}

.day-swatch {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  border: 0.5px solid rgba(0,0,0,0.12);
  flex-shrink: 0;
}

.day-swatch.placeholder {
  border-style: dashed;
  background: transparent;
  border-color: var(--border-md);
}

.day-meta {
  font-size: 10px;
  color: var(--hint);
  line-height: 1.4;
}

.day-badge {
  font-size: 10px;
  display: inline-block;
  margin-top: 3px;
}

.day-badge.worn    { color: var(--muted); }
.day-badge.planned { color: var(--accent); }
.day-badge.office  { color: var(--green); }

.day-detail {
  margin-top: 1rem;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
}

.day-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.day-detail-header h3 {
  font-size: 14px;
  font-weight: 500;
}

.outfit-item-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 0.5px solid var(--border);
}

.outfit-item-row:last-child { border-bottom: none; }

.outfit-item-info { flex: 1; min-width: 0; }
.outfit-item-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.outfit-item-meta { font-size: 11px; color: var(--hint); }

/* ─── Plan prompt editor ──────────────────────────────────────────────────── */
.plan-editor {
  margin-top: 1rem;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
}

.plan-editor textarea {
  height: 90px;
  resize: vertical;
  margin-bottom: 0.75rem;
}

/* ─── Wardrobe manager ────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  align-items: center;
}

.filter-bar input[type=search] { flex: 1; min-width: 160px; }
.filter-bar select { min-width: 120px; width: auto; }

.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.item-card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.item-card:hover { border-color: var(--border-md); }

.item-card-top {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.item-card-swatch {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 0.5px solid rgba(0,0,0,0.12);
  flex-shrink: 0;
}

.item-card-title { font-size: 13px; font-weight: 500; line-height: 1.3; }
.item-card-brand { font-size: 11px; color: var(--muted); }
.item-card-colour { font-size: 11px; color: var(--hint); }

.item-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* ─── Chat ────────────────────────────────────────────────────────────────── */
.chat-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1rem;
  align-items: start;
}

@media (max-width: 720px) {
  .chat-layout { grid-template-columns: 1fr; }
}

.chat-window {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  height: 520px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-msg {
  max-width: 85%;
  padding: 9px 13px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.55;
}

.chat-msg.user {
  background: var(--accent-bg);
  color: var(--text);
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}

.chat-msg.assistant {
  background: var(--bg);
  border: 0.5px solid var(--border);
  align-self: flex-start;
  border-bottom-left-radius: 3px;
}

.chat-msg.assistant.streaming::after {
  content: '▋';
  opacity: 0.5;
  animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.chat-input-row {
  border-top: 0.5px solid var(--border);
  padding: 0.75rem;
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.chat-input-row textarea {
  flex: 1;
  height: 60px;
  resize: none;
}

.chat-sidebar {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quick-prompt {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 13px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, color 0.15s;
  width: 100%;
}

.quick-prompt:hover { border-color: var(--accent-border); color: var(--text); }

/* ─── Divider ─────────────────────────────────────────────────────────────── */
hr.section-divider {
  border: none;
  border-top: 0.5px solid var(--border);
  margin: 1rem 0;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  header { padding: 0 1rem; gap: 1rem; }
  main { padding: 1rem; }
  .item-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .day-card { min-height: 72px; padding: 5px; }
  .day-num  { font-size: 12px; }
}