:root {
  --pause-teal: #456a66;
  --pause-teal-dark: #365551;
  --warm-sand: #c99d83;
  --background: #f7f6f3;
  --surface: #ffffff;
  --ink: #25302e;
  --secondary-ink: #6c7571;
  --divider: #dee2de;
  --quiet-red: #a85450;
  --quiet-red-bg: #f7eceb;
  --reminder-bg: #f4f0e9;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--ink); min-width: 320px; }
button, textarea { font: inherit; }
button { cursor: pointer; }
.app-shell { width: min(100%, 720px); min-height: 100vh; margin: 0 auto; padding: 32px 20px calc(32px + env(safe-area-inset-bottom)); }
.brand { font-size: 17px; font-weight: 500; letter-spacing: .02em; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; }
.page { display: grid; gap: 24px; animation: enter .2s ease-out; }
.hero { padding-top: 40px; gap: 20px; }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(28px, 7vw, 36px); line-height: 1.32; font-weight: 500; letter-spacing: -.02em; }
h2 { font-size: 22px; line-height: 1.4; font-weight: 500; }
p { font-size: 16px; line-height: 1.65; }
.muted, .microcopy { color: var(--secondary-ink); }
.microcopy { font-size: 14px; }
.action-stack, .footer-links, .choice-stack { display: grid; gap: 12px; }
.button { min-height: 48px; border-radius: 14px; border: 1px solid transparent; padding: 12px 16px; font-weight: 500; font-size: 16px; transition: background .16s ease, transform .1s ease; }
.button:active { transform: scale(.985); }
.button-primary { background: var(--pause-teal); color: #fff; }
.button-primary:hover { background: var(--pause-teal-dark); }
.button-secondary { background: var(--surface); border-color: var(--divider); color: var(--ink); }
.button-text { min-height: 40px; background: transparent; border: 0; color: var(--pause-teal); padding: 8px 0; text-align: left; }
.button-danger { background: var(--quiet-red-bg); color: var(--quiet-red); }
.sample-list { display: grid; gap: 12px; margin-top: 16px; }
.sample, .choice, .note-card, .notice { border: 1px solid var(--divider); border-radius: 16px; background: var(--surface); padding: 16px; }
.sample { color: var(--secondary-ink); font-size: 14px; }
.choice { display: grid; gap: 8px; text-align: left; }
.choice strong { font-size: 17px; font-weight: 500; }
.choice span { color: var(--secondary-ink); font-size: 14px; }
.footer-links { margin-top: 40px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.footer-links a { color: var(--secondary-ink); font-size: 14px; text-decoration: none; }
.writing-area { width: 100%; min-height: 250px; resize: vertical; border: 1px solid var(--divider); border-radius: 16px; padding: 16px; background: var(--surface); color: var(--ink); line-height: 1.65; outline: none; }
.writing-area:focus { border: 2px solid var(--pause-teal); padding: 15px; }
.counter { color: var(--secondary-ink); font-size: 14px; text-align: right; }
.notice { background: var(--reminder-bg); border-color: transparent; }
.notice-danger { background: var(--quiet-red-bg); color: var(--ink); }
.payment-summary { display: grid; gap: 6px; padding: 20px; border: 1px solid var(--divider); border-radius: 16px; background: var(--surface); }
.payment-summary strong { font-size: 22px; font-weight: 500; }
.payment-summary span { color: var(--secondary-ink); font-size: 14px; }
.benefit-list { display: grid; gap: 10px; margin: 0; padding-left: 20px; color: var(--secondary-ink); line-height: 1.55; }
.form-label { font-size: 14px; color: var(--secondary-ink); }
.text-input { min-height: 48px; width: 100%; border: 1px solid var(--divider); border-radius: 14px; padding: 12px 16px; background: var(--surface); color: var(--ink); outline: none; }
.text-input:focus { border: 2px solid var(--pause-teal); padding: 11px 15px; }
.recovery-code { display: block; padding: 12px; border-radius: 10px; background: var(--surface); color: var(--ink); font-size: 18px; letter-spacing: .08em; }
.room-header, .post-footer, .interaction-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.room-header h2 { margin-bottom: 4px; }
.room-composer { width: 100%; min-height: 56px; border: 1px solid var(--divider); border-radius: 16px; background: var(--surface); color: var(--secondary-ink); padding: 16px; text-align: left; display: flex; justify-content: space-between; font: inherit; }
.room-composer span { color: var(--pause-teal); font-weight: 500; }
.post-feed { display: grid; gap: 12px; }
.post-card { gap: 14px; }
.post-actions { display: inline-flex; gap: 12px; align-items: center; }
.chip { min-height: 38px; border: 1px solid var(--divider); border-radius: 999px; padding: 8px 12px; background: var(--surface); color: var(--secondary-ink); font-size: 14px; }
.chip-active { border-color: var(--pause-teal); background: var(--reminder-bg); color: var(--pause-teal-dark); }
.selected-choice { border: 2px solid var(--pause-teal); padding: 15px; }
.room-empty { display: grid; gap: 16px; padding: 44px 0; text-align: center; }
.note-card { display: grid; gap: 16px; white-space: pre-wrap; }
.note-meta { color: var(--secondary-ink); font-size: 14px; }
.overlay { position: fixed; inset: 0; background: rgb(37 48 46 / .35); display: grid; place-items: end center; padding: 20px; }
.dialog { width: min(100%, 520px); border-radius: 20px; background: var(--surface); padding: 24px; display: grid; gap: 20px; box-shadow: 0 18px 50px rgb(37 48 46 / .2); }
.hidden { display: none; }
.admin-page { display: grid; gap: 20px; }
.admin-nav { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; border-bottom: 1px solid var(--divider); padding-bottom: 12px; }
.admin-nav a { color: var(--secondary-ink); text-decoration: none; font-size: 14px; cursor: pointer; }
.admin-nav a.active { color: var(--pause-teal); font-weight: 600; }
.admin-nav .button { margin-left: auto; }
.admin-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.admin-card, .admin-review-card { display: grid; gap: 10px; border: 1px solid var(--divider); border-radius: 16px; background: var(--surface); padding: 16px; }
.admin-card span { color: var(--secondary-ink); font-size: 14px; }
.admin-card strong { font-size: 28px; font-weight: 500; }
.admin-list { display: grid; gap: 12px; }
.admin-actions, .admin-search { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-actions .button { min-height: 40px; font-size: 14px; }
.admin-search .text-input { flex: 1 1 220px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--divider); border-radius: 16px; background: var(--surface); }
table { border-collapse: collapse; min-width: 560px; width: 100%; text-align: left; font-size: 14px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--divider); }
th { color: var(--secondary-ink); font-weight: 500; }
.entitlement-cell { display: flex; align-items: center; gap: 8px; }
.entitlement-cell .button { min-height: 32px; font-size: 13px; }
a { color: var(--pause-teal); }
@keyframes enter { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@media (min-width: 760px) { .app-shell { padding-top: 44px; } .footer-links { grid-template-columns: repeat(4, max-content); column-gap: 24px; } .admin-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }