/* AIME Customer Platform — design system
   Syne headings | DM Sans body | JetBrains Mono metrics
   Dark luxury aesthetic, no framework dependencies
*/

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Reset & base ─────────────────────────────────────────────────────────── */

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

:root {
  --bg:          #0a0a0f;
  --bg-card:     #111118;
  --bg-input:    #16161f;
  --border:      #1e1e2e;
  --border-soft: #2a2a3a;
  --accent:      #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.18);
  --accent-dim:  #4f52c8;
  --success:     #22c55e;
  --warning:     #f59e0b;
  --danger:      #ef4444;
  --text:        #e2e2ed;
  --text-muted:  #8a8aaa;
  --text-dim:    #6a6a8a;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow:      0 4px 24px rgba(0,0,0,0.4);
}

html, body {
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ───────────────────────────────────────────────────────────── */

h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.1rem; }

.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  letter-spacing: 0;
}

/* ── Layout ───────────────────────────────────────────────────────────────── */

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header / Nav ─────────────────────────────────────────────────────────── */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.wordmark {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark span {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tenant-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
}

/* ── Card ─────────────────────────────────────────────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card-tight {
  padding: 20px 24px;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-dim);
  box-shadow: 0 0 18px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-soft);
}

.btn-ghost:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--border-soft);
  background: var(--bg-input);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.btn-full {
  width: 100%;
}

/* ── Forms ────────────────────────────────────────────────────────────────── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group:last-child {
  margin-bottom: 0;
}

label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input, select, textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  padding: 10px 14px;
  transition: border-color 0.15s;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea {
  resize: vertical;
  min-height: 90px;
}

select option {
  background: var(--bg-card);
}

/* ── Alerts / banners ─────────────────────────────────────────────────────── */

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 16px;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #86efac;
}

.alert-info {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
}

/* ── Step status badges ───────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-complete {
  background: rgba(34, 197, 94, 0.12);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.badge-active {
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.badge-locked {
  background: rgba(74, 74, 106, 0.25);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

/* ── Journey overview cards ───────────────────────────────────────────────── */

.journey-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.journey-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  cursor: default;
}

.journey-card.clickable {
  cursor: pointer;
}

.journey-card.clickable:hover {
  border-color: var(--border-soft);
  box-shadow: 0 0 20px var(--accent-glow);
}

.journey-card.active {
  border-color: rgba(99, 102, 241, 0.4);
}

.journey-card.locked {
  opacity: 0.55;
}

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-dim);
  min-width: 36px;
  text-align: center;
}

.journey-card.active .step-num,
.journey-card.complete .step-num {
  color: var(--accent);
}

.step-info {
  flex: 1;
}

.step-info h3 {
  font-size: 1rem;
  margin-bottom: 3px;
}

.step-info p {
  font-size: 0.83rem;
  color: var(--text-muted);
}

.step-arrow {
  font-size: 1.1rem;
  color: var(--text-dim);
}

.journey-card.clickable:hover .step-arrow {
  color: var(--accent);
}

/* ── Step page layout ─────────────────────────────────────────────────────── */

.step-header {
  margin: 40px 0 28px;
}

.step-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.step-header h1 {
  margin-bottom: 6px;
}

.step-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-top: 24px;
  margin-bottom: 0;
}

.back-link:hover {
  color: var(--accent);
}

/* ── Read-only artefact view ──────────────────────────────────────────────── */

.artefact-block {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.field-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

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

.field-label {
  font-size: 0.77rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.field-value {
  font-size: 0.93rem;
  color: var(--text);
}

/* ── Locked step placeholder ──────────────────────────────────────────────── */

.locked-placeholder {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
}

.locked-placeholder .lock-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.locked-placeholder h2 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-muted);
}

/* ── Data source list ─────────────────────────────────────────────────────── */

.source-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.source-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.source-name {
  font-weight: 500;
  font-size: 0.92rem;
}

.source-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.source-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 20px;
  text-transform: uppercase;
}

.source-status.connected {
  background: rgba(34,197,94,0.1);
  color: var(--success);
}

.source-status.pending {
  background: rgba(245,158,11,0.1);
  color: var(--warning);
}

.source-status.error {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
}

/* ── Spinner ──────────────────────────────────────────────────────────────── */

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ── Login page ───────────────────────────────────────────────────────────── */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-box {
  width: 100%;
  max-width: 420px;
}

.login-logo {
  text-align: center;
  margin-bottom: 40px;
}

.login-logo h1 {
  font-size: 1.8rem;
}

.login-logo p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 6px;
}

/* ── Misc utility ─────────────────────────────────────────────────────────── */

.mt-4  { margin-top: 4px;  }
.mt-8  { margin-top: 8px;  }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.text-muted  { color: var(--text-muted); }
.text-center { text-align: center; }
.text-success{ color: var(--success); }
.text-danger { color: var(--danger); }

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.hidden { display: none !important; }

.completed-stamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--success);
  margin-bottom: 20px;
}