/* App shell, type, controls, modals. Every colour comes from tokens.css. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--canvas-base);
  color: var(--ink);
  font: 400 var(--text-base)/1.55 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  background-image: var(--grain);
  opacity: .22;
  mix-blend-mode: multiply;
}
/* The dusk sky behind everything. Fixed, so it stays put while the page scrolls (works on iPhone too). */
body::after { content: ''; position: fixed; inset: 0; z-index: -1; background: var(--canvas); pointer-events: none; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--sun); outline-offset: 3px; border-radius: 6px; }

/* Shell */
.app-shell { width: min(100%, 620px); min-height: 100svh; margin: 0 auto; position: relative; overflow-x: clip; padding-bottom: calc(var(--tabbar-h) + 34px + env(safe-area-inset-bottom)); }
.topbar { height: 64px; padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; }
.wordmark { display: flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font: 500 25px/1 var(--font-display); letter-spacing: -.01em; }
.brand-mark { width: 22px; height: 22px; position: relative; display: inline-block; }
.brand-mark i { position: absolute; width: 8px; height: 17px; left: 7px; top: 2px; border-radius: 100% 0 100% 0; background: var(--sun); transform-origin: bottom center; opacity: .9; }
.brand-mark i:nth-child(2) { transform: rotate(120deg); background: var(--gold); }
.brand-mark i:nth-child(3) { transform: rotate(240deg); background: var(--sun-deep); }
.top-actions { display: flex; align-items: center; gap: 12px; }
.date-label { font-size: var(--text-xs); font-weight: 600; letter-spacing: 1.2px; color: var(--muted); }
.avatar { width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--slab); color: var(--on-slab); font: 600 15px var(--font-sans); transition: transform var(--dur-fast) var(--ease-out); }
.avatar:hover { transform: scale(1.06); }
main { padding: 8px var(--gutter) 24px; }
.view { display: none; }
.view.active { display: block; animation: view-in var(--dur) var(--ease-out); }

/* Type */
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin: 0; }
.page-intro { padding: 14px 0 22px; }
.page-intro h1, .welcome h1 { font: 400 var(--text-hero)/.98 var(--font-display); letter-spacing: -.02em; color: var(--ink); margin: 12px 0 10px; }
.page-intro h1 em, .welcome h1 em { font: italic 400 1em/1 var(--font-voice); letter-spacing: -.02em; color: var(--jade-deep); }
.page-intro > p:last-child { font-size: var(--text-base); color: var(--ink-2); margin: 0; }
.tiny-muted { font-size: var(--text-xs); color: var(--muted); }
.empty-note { font-size: var(--text-sm); color: var(--muted); padding: 8px 2px; margin: 0; }
.empty-state { padding: 20px; border: 1.5px dashed var(--line-strong); border-radius: var(--radius-sm); color: var(--muted); font-size: var(--text-sm); text-align: center; }

/* Buttons */
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 24px; border: 0; border-radius: var(--radius-btn); background: var(--grad-sun); color: #fff; font: 500 var(--text-base) var(--font-sans); letter-spacing: -.1px; box-shadow: 0 14px 26px -16px rgba(58, 99, 112, .9); transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast); }
.primary-button:hover { transform: translateY(-1px); filter: brightness(1.06); box-shadow: 0 18px 30px -16px rgba(58, 99, 112, .95); }
.primary-button:active { transform: translateY(1px) scale(.99); }
.primary-button.full { width: 100%; }
.text-button { border: 0; background: none; padding: 10px 4px; color: var(--ink-2); font: 600 var(--text-sm) var(--font-sans); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; transition: color var(--dur-fast), text-decoration-color var(--dur-fast); }
.text-button:hover { color: var(--sun); text-decoration-color: var(--sun); }
.close-button { width: 36px; height: 36px; border: 0; border-radius: 50%; background: var(--surface); color: var(--ink); font-size: 22px; line-height: 1; }

/* Forms */
input, textarea { width: 100%; border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: var(--paper); padding: 13px 14px; font-size: var(--text-base); transition: border-color var(--dur-fast); }
input:focus, textarea:focus { outline: none; border-color: var(--sun); }
input::placeholder, textarea::placeholder { color: var(--muted); }
textarea { resize: vertical; line-height: 1.5; }

/* Tab bar: floats above the page */
.tabbar { position: fixed; z-index: 10; left: 50%; bottom: calc(12px + env(safe-area-inset-bottom)); transform: translateX(-50%); width: min(560px, calc(100% - 24px)); height: var(--tabbar-h); display: flex; padding: 6px; border-radius: 24px; background: color-mix(in srgb, var(--slab) 94%, transparent); backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3); border: 1px solid rgba(255, 246, 234, .1); box-shadow: var(--shadow-lift); }
.tab { flex: 1; border: 0; border-radius: 18px; background: none; color: var(--on-slab-muted); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; transition: background var(--dur-fast), color var(--dur-fast); }
.tab span { display: block; width: 21px; height: 21px; }
.tab svg, .sunrise-mark svg { display: block; width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.tab svg.filled { fill: currentColor; stroke: none; }
.tab small { font-size: 11.5px; font-weight: 600; }
.tab.active { background: var(--tab-active); color: var(--ink); }
.tab.active span { color: var(--jade); }

/* Modals */
.modal-backdrop { position: fixed; z-index: 20; inset: 0; background: rgba(20, 18, 22, .55); backdrop-filter: blur(4px); display: flex; align-items: flex-end; justify-content: center; padding: 10px; }
.modal-backdrop[hidden] { display: none; }
.modal { width: min(100%, 480px); max-height: 92svh; overflow: auto; background: var(--mist); border-radius: var(--radius-lg); padding: 24px 22px calc(24px + env(safe-area-inset-bottom)); box-shadow: var(--shadow-lift); animation: sheet-in var(--dur) var(--ease-out); }
.modal-head { display: flex; justify-content: space-between; align-items: center; }
.modal h2 { font: 400 32px/1.08 var(--font-display); letter-spacing: -.025em; margin: 14px 0 18px; }
.modal form label, .setting-label { display: block; font-size: 11.5px; font-weight: 700; letter-spacing: 1.3px; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.modal form label span { font-weight: 500; color: var(--line-strong); }
.modal form input, .modal form textarea { margin-bottom: 16px; }
.modal form textarea { height: 76px; }
.privacy-note { font-size: var(--text-xs); color: var(--muted); line-height: 1.5; margin: 16px 0 0; }

/* Toast */
.toast { position: fixed; z-index: 30; left: 50%; bottom: calc(var(--tabbar-h) + 26px + env(safe-area-inset-bottom)); transform: translate(-50%, 12px); max-width: 90vw; padding: 12px 18px; border-radius: var(--pill); background: var(--slab); color: var(--on-slab); font-size: var(--text-sm); font-weight: 500; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity var(--dur-fast), transform var(--dur) var(--ease-out); box-shadow: var(--shadow); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@keyframes view-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes sheet-in { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

@media (min-width: 700px) {
  body { padding: 24px 0; }
  .topbar { padding: 0 32px; }
  main { padding: 12px 32px 32px; }
  .modal-backdrop { align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}