/* hihihi — brand stylesheet
   Source of truth: ../BRAND.md
   Every value here traces to a section in that document. */

@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500&display=swap');

:root {
  /* Brand colors — §2.1 */
  --color-persimmon: #FF6E4D;
  --color-buttercup: #FCC448;
  --color-periwinkle: #7388E0;
  --color-persimmon-ink: #4A1B0C;
  --color-buttercup-ink: #412402;
  --color-periwinkle-ink: #1F1A4A;

  /* Neutrals */
  --color-cream: #FFF6E8;
  --color-aubergine: #2A1B3D;
  --color-aubergine-muted: rgba(42, 27, 61, 0.65);
  --color-aubergine-subtle: rgba(42, 27, 61, 0.35);
  --color-aubergine-line: rgba(42, 27, 61, 0.12);
  --color-white: #FFFFFF;

  /* Type — §3 */
  --font-sans: 'Söhne', 'Hanken Grotesk', -apple-system, BlinkMacSystemFont,
               'Segoe UI', system-ui, sans-serif;
  --type-display-1: 92px;
  --type-display-2: 64px;
  --type-display-3: 44px;
  --type-h1: 38px;
  --type-h2: 26px;
  --type-h3: 20px;
  --type-body-large: 18px;
  --type-body: 16px;
  --type-body-small: 14px;
  --type-caption: 12px;
  --type-micro: 11px;

  /* Spacing — §6.1 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Radius — §6.2 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Containers — §6.3 */
  --container-narrow: 640px;
  --container-default: 1080px;
  --container-wide: 1280px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-cream: #1A0F26;
    --color-aubergine: #FFF6E8;
    --color-aubergine-muted: rgba(255, 246, 232, 0.65);
    --color-aubergine-subtle: rgba(255, 246, 232, 0.35);
    --color-aubergine-line: rgba(255, 246, 232, 0.12);
    --color-white: #2A1B3D;
  }
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }

body {
  font-family: var(--font-sans);
  font-size: var(--type-body);
  line-height: 1.6;
  color: var(--color-aubergine);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-aubergine);
  text-decoration: none;
}

em {
  font-style: italic;
  color: var(--color-persimmon);
  font-weight: inherit;
}

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

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
  background: var(--color-aubergine);
  color: var(--color-cream);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 999;
}

/* Container */
.container {
  max-width: var(--container-default);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.container-narrow { max-width: var(--container-narrow); }
.container-wide { max-width: var(--container-wide); }
@media (min-width: 768px) {
  .container { padding: 0 var(--space-6); }
}

/* ─── Wordmark — §4 ─── */
.wordmark {
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
  color: var(--color-aubergine);
  display: inline-block;
}
.wm-h1 { color: var(--color-persimmon); }
.wm-h2 { color: var(--color-buttercup); }
.wm-h3 { color: var(--color-periwinkle); }
.wm-i  { color: var(--color-aubergine); }
.wm-tld {
  color: var(--color-aubergine);
  opacity: 0.12;
  font-weight: 400;
}

/* ─── Three-dot mark — §5 ─── */
.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.33em;
  --dot-size: 1em;
}
.mark .dot {
  width: var(--dot-size);
  height: var(--dot-size);
  border-radius: 50%;
  display: block;
}
.mark .dot-1 { background: var(--color-persimmon); }
.mark .dot-2 { background: var(--color-buttercup); }
.mark .dot-3 { background: var(--color-periwinkle); }

/* ─── Loading pulse — §7.5 ─── */
.loading {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.loading-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: block;
  animation: hi-pulse 1.8s ease-in-out infinite;
}
.loading-dot-1 { background: var(--color-persimmon); animation-delay: 0s; }
.loading-dot-2 { background: var(--color-buttercup); animation-delay: 0.2s; }
.loading-dot-3 { background: var(--color-periwinkle); animation-delay: 0.4s; }

@keyframes hi-pulse {
  0%, 60%, 100% { opacity: 0.25; transform: scale(0.85); }
  30%           { opacity: 1;    transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .loading-dot { animation: none; opacity: 0.6; }
}

/* ─── Typography helpers ─── */
.h1 {
  font-size: var(--type-h1);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-4);
}
.h2 {
  font-size: var(--type-h2);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-3);
}
.h3 {
  font-size: var(--type-h3);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-2);
}
.body-large { font-size: var(--type-body-large); line-height: 1.55; }
.muted { color: var(--color-aubergine-muted); }
.subtle { color: var(--color-aubergine-subtle); }
.label-micro {
  font-size: var(--type-micro);
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--color-aubergine-muted);
}

/* ─── Buttons — §7.1 ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: var(--type-body-small);
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: opacity 120ms ease, transform 120ms ease, border-color 120ms ease, background-color 120ms ease;
  text-decoration: none;
}
.btn:hover { opacity: 0.9; }
.btn:active { transform: scale(0.98); }
.btn:focus-visible {
  outline: 2px solid var(--color-persimmon);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--color-aubergine);
  color: var(--color-cream);
}
.btn-secondary {
  background: transparent;
  color: var(--color-aubergine);
  border-color: var(--color-aubergine);
}
.btn-ghost {
  background: transparent;
  color: var(--color-aubergine);
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}
.btn-persimmon {
  background: var(--color-persimmon);
  color: var(--color-persimmon-ink);
}
.btn-block { width: 100%; }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--type-caption); }

/* ─── Inputs — §7.2 ─── */
.field {
  display: block;
  margin-bottom: var(--space-4);
}
.field label {
  display: block;
  font-size: var(--type-body-small);
  color: var(--color-aubergine);
  margin-bottom: var(--space-2);
}
.input {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-aubergine-line);
  background: var(--color-white);
  color: var(--color-aubergine);
  font-family: var(--font-sans);
  font-size: var(--type-body);
  line-height: 1.4;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.input::placeholder { color: var(--color-aubergine-subtle); }
.input:hover { border-color: var(--color-aubergine-subtle); }
.input:focus {
  outline: none;
  border-color: var(--color-persimmon);
  box-shadow: 0 0 0 3px rgba(255, 110, 77, 0.15);
}

/* ─── Cards — §7.3 ─── */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-aubergine-line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.card-flat {
  background: var(--color-cream);
  border: 1px solid var(--color-aubergine-line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.card-stack > * + * { margin-top: var(--space-3); }

/* ─── Nav — §7.7 ─── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) 0;
  gap: var(--space-5);
}
.nav-brand .wordmark { font-size: 19px; }
.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: var(--type-body-small);
  color: var(--color-aubergine);
  opacity: 0.75;
  transition: opacity 120ms ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { opacity: 1; }
.nav-cta {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
@media (max-width: 767px) {
  .nav-links { display: none; }
}

/* ─── Footer — §7.8 ─── */
.footer {
  padding: var(--space-8) 0 var(--space-7);
  border-top: 1px solid var(--color-aubergine-line);
  margin-top: var(--space-9);
}
.footer-tag {
  color: var(--color-aubergine-muted);
  font-size: var(--type-body-small);
  margin: var(--space-2) 0 0;
}
.footer-meta {
  margin-top: var(--space-6);
  font-size: var(--type-caption);
  color: var(--color-aubergine-muted);
}
.footer-meta p { margin: 0; }

/* ─── Hero — §10.3 ─── */
.hero {
  background: var(--color-cream);
  padding: var(--space-9) 0 var(--space-10);
  position: relative;
  overflow: hidden;
}
.hero-h1 {
  font-size: var(--type-display-3);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.02;
  color: var(--color-aubergine);
  max-width: 720px;
  margin: 0 0 var(--space-4);
}
@media (min-width: 768px) {
  .hero-h1 { font-size: var(--type-display-2); }
}
.hero-sub {
  font-size: var(--type-body-large);
  color: var(--color-aubergine-muted);
  max-width: 560px;
  line-height: 1.55;
  margin: 0 0 var(--space-6);
}
.hero-ctas {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}
.hero-mark {
  position: absolute;
  right: var(--space-7);
  bottom: var(--space-7);
  opacity: 0.18;
}
.hero-mark .mark { --dot-size: 14px; }

/* ─── Three-up modes — landing §10.2 ─── */
.three-up {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-8) 0;
}
@media (min-width: 768px) {
  .three-up { grid-template-columns: repeat(3, 1fr); }
}
.three-up .mode-card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 240px;
}
.mode-card.persimmon  { background: var(--color-persimmon);  color: var(--color-persimmon-ink); }
.mode-card.buttercup  { background: var(--color-buttercup);  color: var(--color-buttercup-ink); }
.mode-card.periwinkle { background: var(--color-periwinkle); color: var(--color-periwinkle-ink); }
.mode-card .mode-h {
  font-size: var(--type-h2);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0;
}
.mode-card .mode-body {
  font-size: var(--type-body);
  line-height: 1.5;
  margin: 0;
  opacity: 0.85;
}
.mode-card .mode-num {
  font-size: var(--type-micro);
  letter-spacing: 0.18em;
  text-transform: lowercase;
  opacity: 0.55;
}

/* ─── Auth pages ─── */
.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-6) var(--space-5);
}
.auth-card {
  background: var(--color-white);
  border: 1px solid var(--color-aubergine-line);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6);
  width: 100%;
  max-width: 420px;
}
.auth-card .wordmark { font-size: 26px; display: block; margin-bottom: var(--space-5); }
.auth-card .h1 {
  font-size: var(--type-h2);
  margin: 0 0 var(--space-2);
}
.auth-card .auth-sub {
  color: var(--color-aubergine-muted);
  font-size: var(--type-body-small);
  margin: 0 0 var(--space-5);
}
.auth-alt {
  text-align: center;
  margin-top: var(--space-5);
  font-size: var(--type-body-small);
  color: var(--color-aubergine-muted);
}
.auth-alt a {
  color: var(--color-persimmon);
  font-weight: 500;
}
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  color: var(--color-aubergine-subtle);
  font-size: var(--type-caption);
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-aubergine-line);
}

/* ─── App shell (logged-in) ─── */
.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;
}
@media (min-width: 1024px) {
  .app {
    grid-template-columns: 240px 1fr;
    grid-template-rows: auto 1fr;
  }
  .app-topbar { grid-column: 1 / -1; }
}
.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-aubergine-line);
  background: var(--color-cream);
}
.app-topbar .wordmark { font-size: 18px; }
.app-topbar-right {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}
.app-user {
  font-size: var(--type-body-small);
  color: var(--color-aubergine-muted);
}

.app-side {
  border-right: 1px solid var(--color-aubergine-line);
  padding: var(--space-5);
  background: var(--color-cream);
}
@media (max-width: 1023px) {
  .app-side {
    border-right: none;
    border-bottom: 1px solid var(--color-aubergine-line);
    padding: var(--space-3) var(--space-5);
    overflow-x: auto;
  }
}
.app-side-section {
  font-size: var(--type-micro);
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--color-aubergine-subtle);
  margin: var(--space-5) 0 var(--space-2);
}
.app-side-section:first-child { margin-top: 0; }
.app-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
@media (max-width: 1023px) {
  .app-side-list { flex-direction: row; gap: var(--space-2); }
  .app-side-section { display: none; }
}
.app-side-list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--type-body-small);
  color: var(--color-aubergine);
  opacity: 0.75;
  white-space: nowrap;
}
.app-side-list a:hover { opacity: 1; background: var(--color-aubergine-line); }
.app-side-list a[aria-current="page"] {
  opacity: 1;
  background: var(--color-white);
  border: 1px solid var(--color-aubergine-line);
}

.app-main {
  padding: var(--space-7) var(--space-5);
  max-width: var(--container-default);
  width: 100%;
}
@media (min-width: 768px) { .app-main { padding: var(--space-7) var(--space-6); } }

.page-header {
  margin-bottom: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.page-header .h1 {
  font-size: var(--type-display-3);
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0;
}
.page-header .page-sub {
  color: var(--color-aubergine-muted);
  margin: var(--space-2) 0 0;
  font-size: var(--type-body);
  max-width: 60ch;
}

/* ─── Stat tiles ─── */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
@media (min-width: 600px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: var(--color-white);
  border: 1px solid var(--color-aubergine-line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.stat-label {
  font-size: var(--type-micro);
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--color-aubergine-muted);
  margin: 0 0 var(--space-2);
}
.stat-value {
  font-size: var(--type-h1);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 0;
}
.stat-trend {
  margin: var(--space-2) 0 0;
  font-size: var(--type-caption);
  color: var(--color-aubergine-muted);
}

/* ─── Bot grid (manage AI) ─── */
.bot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 720px) { .bot-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .bot-grid { grid-template-columns: repeat(3, 1fr); } }
.bot {
  background: var(--color-white);
  border: 1px solid var(--color-aubergine-line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color 120ms ease;
}
.bot:hover { border-color: var(--color-aubergine-subtle); }
.bot-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.bot-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex: 0 0 14px;
}
.bot-dot.persimmon { background: var(--color-persimmon); }
.bot-dot.buttercup { background: var(--color-buttercup); }
.bot-dot.periwinkle { background: var(--color-periwinkle); }
.bot-name {
  font-size: var(--type-h3);
  font-weight: 500;
  letter-spacing: -0.025em;
  margin: 0;
}
.bot-status {
  font-size: var(--type-caption);
  color: var(--color-aubergine-muted);
  margin-left: auto;
}
.bot-status.live::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-persimmon);
  margin-right: var(--space-2);
  vertical-align: middle;
}
.bot-status.draft::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-aubergine-subtle);
  margin-right: var(--space-2);
  vertical-align: middle;
}
.bot-meta {
  font-size: var(--type-body-small);
  color: var(--color-aubergine-muted);
  line-height: 1.5;
  margin: 0;
}
.bot-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* ─── Rows (settings list) ─── */
.row-list {
  background: var(--color-white);
  border: 1px solid var(--color-aubergine-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  gap: var(--space-4);
}
.row + .row { border-top: 1px solid var(--color-aubergine-line); }
.row-label { font-size: var(--type-body-small); color: var(--color-aubergine-muted); margin: 0 0 var(--space-1); }
.row-value { font-size: var(--type-body); margin: 0; }
.row-actions { display: flex; gap: var(--space-2); }

/* ─── Empty / stub note ─── */
.stub-note {
  font-size: var(--type-caption);
  color: var(--color-aubergine-subtle);
  font-style: italic;
}

/* ─── Section spacing ─── */
.section { padding: var(--space-8) 0; }
@media (min-width: 768px) { .section { padding: var(--space-9) 0; } }
.section-title {
  font-size: var(--type-h1);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 var(--space-3);
  max-width: 24ch;
}
.section-sub {
  font-size: var(--type-body-large);
  color: var(--color-aubergine-muted);
  max-width: 60ch;
  margin: 0 0 var(--space-6);
}