/* ==========================================================================
   Herald design system
   Palette: ink + teal + amber, used as functional status colors.
   Type: Space Grotesk (display, sparing) / IBM Plex Sans (body/UI) /
         IBM Plex Mono (data — timestamps, IDs, stamp badges).
   Signature element: the "stamped dispatch slip" action-item card.
   ========================================================================== */

:root {
  --ink: #000000;
  --surface: rgba(28, 28, 30, 0.7);
  --surface-solid: #1c1c1e;
  --surface-raised: rgba(44, 44, 46, 0.8);
  --paper: #f5f5f7;
  --ink-text: #f5f5f7;
  --muted: #86868b;
  --signal-teal: #0a84ff;
  --stamp-amber: #ff9f0a;

  --danger: #ff453a;

  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.4);
  --transition: 300ms cubic-bezier(0.25, 0.8, 0.25, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: var(--ink-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body { min-height: 100vh; }

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
}

.mono, .stamp-badge, .meta, time, .id-tag {
  font-family: var(--font-mono);
}

a { color: inherit; }

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
}

input, textarea {
  font-family: var(--font-body);
  font-size: 15px;
}

::selection { background: var(--signal-teal); color: var(--ink); }

.loading-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.stamp-spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--surface-raised);
  border-top-color: var(--signal-teal);
  animation: spin 800ms linear infinite;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  transition: transform var(--transition), background var(--transition), opacity var(--transition);
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--signal-teal);
  color: var(--ink);
}
.btn-primary:hover:not(:disabled) { background: #55e2c6; }

.btn-ghost {
  background: transparent;
  color: var(--ink-text);
  border: 1px solid rgba(232, 230, 222, 0.25);
}
.btn-ghost:hover { border-color: var(--signal-teal); color: var(--signal-teal); }

.btn-amber {
  background: var(--stamp-amber);
  color: var(--ink);
}
.btn-amber:hover:not(:disabled) { background: #f5bb5e; }

.btn-text {
  background: transparent;
  color: var(--muted);
  padding: 6px 10px;
  font-size: 14px;
}
.btn-text:hover { color: var(--ink-text); }

.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-block { width: 100%; }

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-tight { padding: 56px 0; }

.card {
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.muted { color: var(--muted); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--signal-teal);
  text-transform: uppercase;
}

/* ==========================================================================
   Nav
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}

.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--stamp-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stamp-amber);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a.nav-anchor {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}
.nav-links a.nav-anchor:hover { color: var(--ink-text); }

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

/* ==========================================================================
   Hero + motion
   ========================================================================== */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 88px 0 72px;
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding: 56px 0; }
}

.hero h1 {
  font-size: clamp(38px, 5.4vw, 68px);
  margin: 14px 0 20px;
  letter-spacing: -0.01em;
}

.hero .subhead {
  font-size: 18px;
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: 32px;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* Signature landing animation: scrambled notes resolving into a stamped card */
.resolve-anim {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px;
  min-height: 260px;
  overflow: hidden;
}

.scramble-text {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
  animation: fadeOutScramble 3.2s ease forwards;
}

@keyframes fadeOutScramble {
  0% { opacity: 1; filter: blur(0); }
  55% { opacity: 1; filter: blur(0); }
  100% { opacity: 0; filter: blur(2px); height: 0; margin: 0; }
}

.resolve-card {
  opacity: 0;
  animation: resolveIn 3.2s ease forwards;
}

@keyframes resolveIn {
  0% { opacity: 0; transform: translateY(10px) scale(0.98); }
  55% { opacity: 0; transform: translateY(10px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==========================================================================
   Stamped dispatch slip — Herald's signature element
   ========================================================================== */

.slip {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 18px 20px 18px 22px;
  border-left: 3px solid var(--stamp-amber);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-right: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.slip:hover { background: var(--surface-raised); transform: translateY(-2px); }

.slip.is-done { border-left-color: var(--signal-teal); }

.slip-badge {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--stamp-amber);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--stamp-amber);
  text-align: center;
  background: rgba(242, 169, 59, 0.08);
}

.slip.is-done .slip-badge {
  border-color: var(--signal-teal);
  background: var(--signal-teal);
  color: var(--ink);
}

.slip-body { flex: 1; min-width: 0; }

.slip-text {
  font-size: 15px;
  margin-bottom: 6px;
  word-break: break-word;
}

.slip-meta {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.slip-owner {
  font-family: var(--font-mono);
  background: rgba(136, 144, 166, 0.15);
  padding: 2px 8px;
  border-radius: 20px;
}

.slip-edited-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
}

.slip-actions { display: flex; gap: 8px; flex-shrink: 0; }

.slip-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.slip-icon-btn:hover { background: rgba(232, 230, 222, 0.08); color: var(--ink-text); }

.slip-mini {
  transform: scale(0.85);
  transform-origin: left center;
}

/* ==========================================================================
   How it works
   ========================================================================== */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

@media (max-width: 860px) { .steps-grid { grid-template-columns: 1fr; } }

.step-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-teal);
  margin-bottom: 10px;
}

.step h3 { font-size: 20px; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 15px; margin-bottom: 16px; }

/* ==========================================================================
   Product preview
   ========================================================================== */

.preview-frame {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px;
  margin-top: 40px;
}

.preview-toolbar {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}
.preview-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(232,230,222,0.15); }

/* ==========================================================================
   Comparison table
   ========================================================================== */

.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.compare-col {
  background: var(--surface);
  padding: 28px 22px;
  border-right: 1px solid rgba(232,230,222,0.06);
}
.compare-col:last-child { border-right: none; }
.compare-col.is-differentiator { background: var(--surface-raised); border-top: 2px solid var(--signal-teal); }

.compare-col h4 { font-size: 15px; margin-bottom: 14px; color: var(--muted); }
.compare-col.is-differentiator h4 { color: var(--signal-teal); }

@media (max-width: 860px) {
  .compare-grid { grid-template-columns: 1fr; }
  .compare-col { border-right: none; border-bottom: 1px solid rgba(232,230,222,0.06); }
}

/* ==========================================================================
   Pricing
   ========================================================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 40px;
  max-width: 760px;
}

@media (max-width: 640px) { .pricing-grid { grid-template-columns: 1fr; } }

.price-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.price-card.is-paid { border: 1px solid var(--signal-teal); }

.price-tag {
  font-family: var(--font-display);
  font-size: 40px;
  margin: 14px 0 4px;
}

.price-card ul { list-style: none; padding: 0; margin: 20px 0 24px; }
.price-card li {
  padding: 8px 0;
  color: var(--muted);
  font-size: 14px;
  border-bottom: 1px solid rgba(232,230,222,0.06);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer-cta {
  text-align: center;
  padding: 96px 0;
}

.footer-cta h2 { font-size: 34px; margin-bottom: 24px; }

footer.site-footer {
  border-top: 1px solid rgba(232, 230, 222, 0.08);
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

/* ==========================================================================
   Auth / forms (paper surfaces reserved for checkout + form inputs)
   ========================================================================== */

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

.auth-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.auth-card h2 { font-size: 26px; margin-bottom: 6px; }
.auth-card .muted { margin-bottom: 28px; display: block; }

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

.field input,
.field textarea {
  width: 100%;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color var(--transition);
}

.field input:focus,
.field textarea:focus { outline: none; border-color: var(--signal-teal); }

.field textarea { resize: vertical; min-height: 160px; font-family: var(--font-mono); font-size: 13px; }

.form-error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 10px;
}

/* ==========================================================================
   Dashboard
   ========================================================================== */

.app-shell { min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 20;
}

.dash-main { max-width: 1120px; margin: 0 auto; padding: 32px 24px 80px; }

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}

@media (max-width: 760px) { .stats-strip { grid-template-columns: repeat(2, 1fr); } }

.stat-tile {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--signal-teal);
}

.stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; }

.dash-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.new-meeting-panel {
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
}

.meeting-list { display: flex; flex-direction: column; gap: 12px; }

.meeting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), background var(--transition);
}
.meeting-row:hover { background: var(--surface-raised); transform: translateY(-2px); }

.meeting-row-title { font-weight: 500; margin-bottom: 4px; }
.meeting-row-meta { font-size: 12px; color: var(--muted); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

.disabled-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(136,144,166,0.12);
  padding: 6px 12px;
  border-radius: 20px;
  cursor: not-allowed;
}

/* ==========================================================================
   Meeting detail
   ========================================================================== */

.meeting-detail-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 960px) { .meeting-detail-grid { grid-template-columns: 1fr; } }

.detail-col { display: flex; flex-direction: column; gap: 20px; }

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.member-chip {
  display: inline-flex;
  align-items: center;
  background: var(--surface-raised);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  margin: 0 8px 8px 0;
}

.action-items-list { display: flex; flex-direction: column; gap: 10px; }

.email-box {
  background: rgba(0,0,0,0.15);
  border-radius: var(--radius);
  padding: 18px;
  font-size: 14px;
  white-space: pre-wrap;
  font-family: var(--font-mono);
  max-height: 320px;
  overflow-y: auto;
}

/* ==========================================================================
   Chat panel
   ========================================================================== */

.chat-panel {
  display: flex;
  flex-direction: column;
  height: 480px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
  margin-bottom: 14px;
}

.chat-msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 14px;
}

.chat-msg.role-user {
  align-self: flex-end;
  background: var(--signal-teal);
  color: var(--ink);
}

.chat-msg.role-assistant {
  align-self: flex-start;
  background: var(--surface-raised);
}

.chat-input-row { display: flex; gap: 8px; }
.chat-input-row input {
  flex: 1;
  background: var(--surface-raised);
  color: var(--ink-text);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 14px;
}
.chat-input-row input:focus { outline: none; border-color: var(--signal-teal); }

/* ==========================================================================
   Checkout (simulated) — uses paper surface as spec'd
   ========================================================================== */

.checkout-shell { min-height: 100vh; padding: 60px 24px; }

.checkout-card {
  max-width: 460px;
  margin: 0 auto;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.checkout-card h2 { color: var(--ink); }
.checkout-card .muted { color: #6b7188; }

.checkout-field { margin-bottom: 16px; }
.checkout-field label { display: block; font-size: 13px; color: #6b7188; margin-bottom: 6px; }
.checkout-field input {
  width: 100%;
  background: #fff;
  border: 1px solid #d9d2bf;
  border-radius: 8px;
  padding: 11px 13px;
  color: var(--ink);
}
.checkout-field input:focus { outline: none; border-color: var(--signal-teal); }

.checkout-row { display: flex; gap: 14px; }
.checkout-row .checkout-field { flex: 1; }

.checkout-stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  border: 1px solid #6b7188;
  color: #6b7188;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 18px;
}

/* ==========================================================================
   Toast
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-raised);
  color: var(--ink-text);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 100;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.is-error { border: 1px solid var(--danger); }