/* Palette: winter dusk. Spruce ink on frosted paper, one cranberry accent for the gift tag and actions. */
:root {
  --bg: #f1f5f8;
  --surface: #ffffff;
  --frost: #e3eef4;
  --line: #cfdde6;
  --ink: #10332c;
  --ink-soft: #476a62;
  --primary: #0f3b33;
  --on-primary: #f1f5f8;
  --accent: #a81f3d;
  --on-accent: #ffffff;
  --focus: #2f7fb0;
  --shadow: 15 59 51;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --step: 1rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b181c;
    --surface: #12262b;
    --frost: #173238;
    --line: #264047;
    --ink: #e4eef0;
    --ink-soft: #97b3b6;
    --primary: #cde6de;
    --on-primary: #0b181c;
    --accent: #e5607a;
    --on-accent: #1a0b10;
    --focus: #7cc1e8;
    --shadow: 0 0 0;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1rem/1.55 var(--sans);
  min-height: 100vh;
}
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(1.9rem, 1.2rem + 3.2vw, 2.9rem); }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.1rem; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.boot { padding: 4rem 1rem; text-align: center; color: var(--ink-soft); }

.icon { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon.big { width: 3rem; height: 3rem; }

/* Layout */
.shell { max-width: 46rem; margin: 0 auto; padding: 0 1rem 4rem; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 0 0.6rem; }
.brand { display: flex; align-items: center; gap: 0.5rem; font: 600 1.2rem/1 var(--serif); color: var(--ink); text-decoration: none; }
.brand .icon { color: var(--accent); }
.tabs { display: flex; gap: 0.25rem; overflow-x: auto; border-bottom: 1px solid var(--line); margin: 0 -1rem 2rem; padding: 0 1rem; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.7rem 0.75rem; color: var(--ink-soft); text-decoration: none; border-bottom: 3px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tab:hover { color: var(--ink); }
.tab[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.badge { min-width: 1.35rem; padding: 0 0.4rem; border-radius: 99px; background: var(--accent); color: var(--on-accent); font-size: 0.78rem; font-weight: 700; line-height: 1.35rem; text-align: center; }
@media (max-width: 30rem) {
  .tab { padding: 0.7rem 0.6rem; gap: 0.3rem; font-size: 0.94rem; }
  .tab .icon { display: none; }
}
.footer { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-top: 3.5rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 0.92rem; }
.footer a, .footer button { color: inherit; }

.stack { display: grid; gap: 1.75rem; }
.stack.tight { gap: 0.9rem; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; }
.row.end { justify-content: flex-end; }
.row.between { justify-content: space-between; }
.lead { font-size: 1.12rem; color: var(--ink-soft); max-width: 60ch; }
.muted { color: var(--ink-soft); }
.prewrap { white-space: pre-wrap; overflow-wrap: anywhere; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* Facts */
.facts { display: grid; gap: 0; margin: 0; border-top: 1px solid var(--line); }
.fact { display: grid; grid-template-columns: 1.5rem 9rem 1fr; align-items: baseline; gap: 0.25rem 0.75rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
.fact .icon { color: var(--ink-soft); align-self: center; }
.fact dt { color: var(--ink-soft); }
.fact dd { margin: 0; overflow-wrap: anywhere; }
@media (max-width: 34rem) {
  .fact { grid-template-columns: 1.5rem 1fr; }
  .fact dd { grid-column: 2; }
}

/* Panels and states */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem; display: grid; gap: 0.9rem; }
.panel.accent { border-color: var(--accent); }
.empty { padding: 2.5rem 0; display: grid; gap: 0.75rem; justify-items: start; }
.empty p { max-width: 52ch; color: var(--ink-soft); }
.welcome { min-height: 70vh; display: grid; align-content: center; justify-items: start; gap: 1rem; max-width: 34rem; margin: 0 auto; padding: 2rem 1rem; }
.welcome .icon { color: var(--accent); }

/* Buttons and fields */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.65rem 1.05rem; border-radius: 9px; border: 1px solid transparent; font: 600 0.98rem/1.2 var(--sans); cursor: pointer; text-decoration: none; min-height: 2.75rem; }
.btn.primary { background: var(--primary); color: var(--on-primary); }
.btn.accent { background: var(--accent); color: var(--on-accent); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.danger { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn.small { min-height: 2.25rem; padding: 0.4rem 0.7rem; font-size: 0.9rem; }
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.icon-btn { display: inline-grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 8px; border: 0; background: transparent; color: var(--ink-soft); cursor: pointer; }
.icon-btn:hover { background: var(--frost); color: var(--ink); }
.link-btn { background: none; border: 0; padding: 0; font: inherit; text-decoration: underline; cursor: pointer; }

.form { display: grid; gap: 0.9rem; }
.field { display: grid; gap: 0.35rem; }
.field > span { font-weight: 600; font-size: 0.95rem; }
.field .hint { font-weight: 400; color: var(--ink-soft); font-size: 0.88rem; }
input, textarea, select { width: 100%; padding: 0.65rem 0.75rem; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; min-height: 2.75rem; }
textarea { resize: vertical; min-height: 5rem; }
input::placeholder, textarea::placeholder { color: var(--ink-soft); opacity: 0.8; }
.row select { width: auto; flex: 1 1 12rem; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 0.9rem; }
.error { color: var(--accent); font-weight: 600; }

/* Wishlist */
.list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.list > li { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
.wish-main { display: grid; gap: 0.25rem; min-width: 0; }
.wish-main strong { overflow-wrap: anywhere; }
.wish-link { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--ink-soft); font-size: 0.92rem; overflow-wrap: anywhere; }
.wish-check { display: flex; align-items: flex-start; gap: 0.75rem; cursor: pointer; width: 100%; }
.wish-check input { width: 1.3rem; height: 1.3rem; min-height: 0; margin-top: 0.2rem; accent-color: var(--accent); flex: none; }
.wish-check input:checked + .wish-main strong { text-decoration: line-through; color: var(--ink-soft); }

/* The gift tag: the one expressive element of the interface */
.tag { position: relative; width: min(100%, 21rem); margin: 2.6rem auto 0.5rem; transform-origin: 50% 0; transform: rotate(-1.2deg); filter: drop-shadow(0 0.7rem 0.8rem rgb(var(--shadow) / 0.2)); }
.tag::before { content: ""; position: absolute; top: -1.45rem; left: 50%; width: 2.6rem; height: 2.4rem; border: 2px solid var(--accent); border-radius: 50%; transform: translateX(-50%); }
.tag-body { --cut: 1.5rem; position: relative; padding: 3.2rem 1.5rem 1.9rem; text-align: center; background: var(--surface); clip-path: polygon(var(--cut) 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%, 0 var(--cut)); display: grid; gap: 0.6rem; justify-items: center; }
.tag-body::before { content: ""; position: absolute; top: 0.95rem; left: 50%; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--bg); box-shadow: inset 0 0 0 3px var(--frost); transform: translateX(-50%); }
.tag-lead { color: var(--ink-soft); }
.tag-name { font: 600 clamp(2.1rem, 9vw, 3.1rem)/1.05 var(--serif); overflow-wrap: anywhere; min-height: 3.2rem; display: grid; align-items: center; }
.tag.swing { animation: swing 1.4s ease-out 1; }
@keyframes swing {
  0% { transform: rotate(-9deg); }
  25% { transform: rotate(6deg); }
  50% { transform: rotate(-3.5deg); }
  75% { transform: rotate(1.6deg); }
  100% { transform: rotate(-1.2deg); }
}

/* Chat */
.chat { display: grid; gap: 0.75rem; }
.chat-log { display: flex; flex-direction: column; gap: 0.5rem; max-height: 26rem; min-height: 8rem; overflow-y: auto; padding: 0.75rem; background: var(--frost); border-radius: 12px; scroll-behavior: smooth; }
.chat-empty { margin: auto; text-align: center; color: var(--ink-soft); max-width: 30ch; }
.msg { max-width: 82%; padding: 0.55rem 0.8rem; border-radius: 14px; background: var(--surface); display: grid; gap: 0.15rem; }
.msg p { white-space: pre-wrap; overflow-wrap: anywhere; }
.msg time { font-size: 0.76rem; color: var(--ink-soft); }
.msg.mine { align-self: flex-end; background: var(--primary); color: var(--on-primary); border-bottom-right-radius: 4px; }
.msg.mine time { color: inherit; opacity: 0.7; }
.msg.theirs { align-self: flex-start; border-bottom-left-radius: 4px; }
.chat-form { display: grid; grid-template-columns: 1fr auto; gap: 0.5rem; align-items: end; }
.chat-form textarea { min-height: 2.75rem; height: 2.75rem; }

/* Admin */
.created { display: grid; gap: 0.6rem; }
.created textarea { font-size: 0.9rem; min-height: 8rem; }
.person-meta { color: var(--ink-soft); font-size: 0.9rem; }
.pair { display: inline-flex; align-items: center; gap: 0.35rem; }

/* Toasts and dialog */
.toasts { position: fixed; inset: auto 1rem 1rem 1rem; display: grid; gap: 0.5rem; justify-items: center; pointer-events: none; z-index: 30; }
.toast { background: var(--primary); color: var(--on-primary); padding: 0.65rem 1rem; border-radius: 10px; box-shadow: 0 0.5rem 1.5rem rgb(0 0 0 / 0.25); max-width: 28rem; }
.toast.error { background: var(--accent); color: var(--on-accent); }
.dialog { border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--ink); padding: 1.5rem; width: min(92vw, 28rem); }
.dialog::backdrop { background: rgb(5 20 22 / 0.55); }
.dialog form { display: grid; gap: 1rem; }

@media (prefers-reduced-motion: reduce) {
  .tag.swing { animation: none; }
  .chat-log { scroll-behavior: auto; }
}