:root {
  --ink: #1b2a30;
  --muted: #68777a;
  --paper: #f2f1ec;
  --card: #fcfbf8;
  --line: #dfe2dd;
  --forest: #173f3a;
  --forest-soft: #e0eee9;
  --blue-soft: #e5edf1;
  --slate-soft: #edf0ed;
  --coral: #c8664b;
  --coral-soft: #f7e5de;
  --amber: #99671f;
  --amber-soft: #f4ead4;
  --danger: #a3423a;
  --danger-soft: #f5dfdc;
  --shadow: 0 14px 38px rgba(28, 53, 57, .07);
  font-family: "Avenir Next", "SF Pro Display", Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--paper); -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 100% 0%, rgba(229,237,241,.52), transparent 34rem), var(--paper); touch-action: pan-x pan-y; }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(200,102,75,.34); outline-offset: 2px; }
[hidden] { display: none !important; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background-color: var(--forest);
  background-image: radial-gradient(circle at 15% 15%, rgba(255,255,255,.07) 0 2px, transparent 3px);
  background-size: 30px 30px;
}

.login-card {
  width: min(440px, 100%);
  padding: 42px;
  background: var(--card);
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(0,0,0,.25);
}

.brand-mark {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: var(--coral);
  color: white;
  font-size: 25px;
  font-weight: 800;
  transform: rotate(-3deg);
  margin-bottom: 24px;
}

.brand-mark.small { width: 42px; height: 42px; margin: 0; border-radius: 13px; font-size: 18px; }
.eyebrow { margin: 0 0 7px; color: var(--coral); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(26px, 4vw, 34px); letter-spacing: -.03em; }
h2 { margin-bottom: 0; font-size: clamp(24px, 3vw, 32px); letter-spacing: -.035em; }
h3 { margin-bottom: 10px; font-size: 18px; letter-spacing: -.02em; }
.muted { color: var(--muted); line-height: 1.7; }

.stack-form { display: grid; gap: 18px; margin-top: 28px; }
label { display: grid; gap: 8px; color: #34423e; font-size: 13px; font-weight: 700; }
label small { color: var(--muted); font-weight: 500; }
input, select {
  width: 100%;
  min-height: 46px;
  border: 1px solid #d7dbd5;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: 10px 13px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
input:focus, select:focus { border-color: var(--forest); box-shadow: 0 0 0 3px rgba(22,56,47,.12); }
.form-error { min-height: 20px; margin: 0; color: var(--danger); font-size: 13px; }

.primary, .secondary, .ghost, .text-button, .filter-chip {
  min-height: 42px;
  border-radius: 11px;
  border: 0;
  padding: 10px 16px;
  font-weight: 750;
  transition: transform .16s, opacity .16s, background .16s;
}
.primary { background: var(--forest); color: #fff; box-shadow: 0 8px 20px rgba(22,56,47,.16); }
.primary:hover, .secondary:hover, .ghost:hover { transform: translateY(-1px); }
.primary:disabled, .secondary:disabled { opacity: .55; cursor: wait; transform: none; }
.secondary { background: var(--forest-soft); color: var(--forest); }
.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.compact { min-height: 36px; padding: 7px 12px; }
.wide { width: 100%; }
.text-button { background: transparent; color: var(--forest); padding-inline: 4px; }

.app-shell { max-width: 1240px; margin: 0 auto; padding: 28px 32px 70px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.brand-row { display: flex; align-items: center; gap: 13px; }
.brand-row h1 { margin: 0; font-size: 22px; }
.brand-row .eyebrow { margin-bottom: 2px; }
.top-actions { display: flex; align-items: center; gap: 14px; }
.today-label { color: var(--muted); font-size: 13px; }
.desktop-nav { display: flex; gap: 7px; margin: 32px 0 38px; padding: 5px; width: max-content; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.68); }
.nav-button { border: 0; border-radius: 9px; background: transparent; color: var(--muted); padding: 9px 19px; font-weight: 700; }
.nav-button.active { background: var(--forest); color: white; }

.view { display: none; animation: reveal .22s ease; }
.view.active { display: block; }
@keyframes reveal { from { opacity: 0; transform: translateY(4px); } }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 25px; }

.summary-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-bottom: 20px; }
.summary-card { min-height: 132px; padding: 21px; border: 1px solid var(--line); border-radius: 17px; background: var(--card); box-shadow: var(--shadow); }
.summary-card strong { display: block; margin: 17px 0 5px; font-size: 31px; line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.summary-card span { color: var(--muted); font-size: 13px; }
.summary-card.team { background: var(--blue-soft); border-color: #cadce3; }
.summary-card.member { background: var(--slate-soft); border-color: #d8e0db; }
.summary-card.alert { background: var(--coral-soft); border-color: #f0c8bc; }
.summary-card.available { background: var(--forest-soft); border-color: #c7dbd1; }
.summary-card.today-income { background: #e1edf0; border-color: #c8dce1; }
.summary-card.income { background: var(--amber-soft); border-color: #e5d6b5; }
.summary-kicker { color: var(--muted); font-size: 12px; font-weight: 750; }

.panel { border: 1px solid var(--line); border-radius: 17px; background: rgba(252,251,248,.92); padding: 22px 24px; box-shadow: var(--shadow); }
.panel-head { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.overview-panel { min-height: 218px; }

.compact-list { display: grid; gap: 3px; }
.compact-item { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.compact-item:first-child { border-top: 0; }
.compact-item p { margin: 0 0 3px; font-weight: 750; }
.compact-item small { color: var(--muted); }

.team-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.team-card { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: var(--card); box-shadow: var(--shadow); }
.team-card.status-full { border-color: #ead0c8; }
.team-card.status-available { border-color: #c8dcd3; }
.team-card.status-overbooked { border-color: #e2b8b0; }
.team-head { display: flex; justify-content: space-between; gap: 14px; padding: 20px; background: #f9faf7; border-bottom: 1px solid var(--line); }
.team-card.status-full .team-head { background: var(--coral-soft); }
.team-card.status-available .team-head { background: var(--forest-soft); }
.team-card.status-overbooked .team-head { background: var(--danger-soft); }
.team-head > div:first-child { min-width: 0; }
.team-head h3 { margin-bottom: 4px; font-size: 20px; }
.team-email { margin: 0; color: var(--muted); font-size: 12px; word-break: break-all; }
.team-email-copy { display: flex; align-items: center; gap: 6px; width: 100%; padding: 0; border: 0; background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.team-email-copy:hover { color: var(--forest); }
.team-email-value { min-width: 0; overflow-wrap: anywhere; }
.copy-glyph { flex: 0 0 auto; color: var(--forest); font-size: 14px; opacity: .72; }
.seat-badge { white-space: nowrap; align-self: start; padding: 7px 10px; border-radius: 999px; background: var(--forest-soft); color: var(--forest); font-size: 12px; font-weight: 800; }
.seat-badge.full { background: var(--coral-soft); color: var(--danger); }
.seat-badge.overbooked { background: #ffe3dc; color: #8f2d24; }
.team-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; padding: 16px 21px; }
.team-stat { padding: 10px; border-radius: 10px; background: var(--paper); text-align: center; }
.team-stat strong { display: block; font-size: 18px; }
.team-stat span { color: var(--muted); font-size: 11px; }
.team-stat.income { background: var(--amber-soft); }
.team-stat.income strong { font-size: 16px; color: var(--forest); white-space: nowrap; }
.member-list { padding: 0 21px; }
.member-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 15px 0; border-top: 1px solid var(--line); }
.member-main strong { display: block; margin-bottom: 4px; }
.member-main a { color: var(--muted); font-size: 12px; text-decoration: none; word-break: break-all; }
.member-meta { display: flex; flex-wrap: wrap; gap: 6px 11px; margin-top: 9px; color: var(--muted); font-size: 11px; }
.member-fee { color: var(--forest); font-weight: 800; }
.member-settlement { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 5px 14px; margin-top: 9px; padding: 9px 10px; border: 1px solid #e5dcc5; border-radius: 10px; background: #f8f3e7; color: var(--muted); font-size: 11px; line-height: 1.45; }
.member-settlement strong { color: var(--forest); font-weight: 800; }
.member-refund-amount { color: var(--amber) !important; }
.row-actions { display: flex; align-items: start; gap: 3px; }
.icon-button { width: 34px; height: 34px; border: 0; border-radius: 9px; background: transparent; color: var(--muted); font-size: 18px; }
.icon-button:hover { background: var(--paper); color: var(--ink); }
.team-actions { display: flex; gap: 8px; padding: 15px 21px 20px; }
.team-actions button { flex: 1; }
.empty-state { padding: 28px 18px; color: var(--muted); text-align: center; }

.filter-row { display: flex; gap: 8px; overflow-x: auto; margin-bottom: 16px; }
.filter-chip { flex: 0 0 auto; min-height: 36px; background: var(--card); color: var(--muted); border: 1px solid var(--line); padding: 7px 13px; }
.filter-chip.active { background: var(--forest); color: #fff; border-color: var(--forest); }
.reminder-list { display: grid; gap: 10px; }
.reminder-item { display: grid; grid-template-columns: 55px minmax(0, 1fr) auto; align-items: center; gap: 16px; padding: 17px; border: 1px solid var(--line); border-radius: 15px; background: var(--card); }
.days-chip { width: 55px; height: 55px; display: grid; place-items: center; border-radius: 14px; background: var(--amber-soft); color: var(--amber); text-align: center; font-size: 11px; font-weight: 800; }
.days-chip strong { display: block; font-size: 18px; line-height: 1; }
.days-chip.expired { background: var(--coral-soft); color: var(--danger); }
.reminder-info h3 { margin-bottom: 4px; font-size: 16px; }
.reminder-info p { margin: 0; color: var(--muted); font-size: 12px; }
.reminder-info .reminder-refund { margin-top: 4px; color: var(--forest); }
.reminder-date { color: var(--muted); font-size: 12px; text-align: right; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.span-2 { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 4px; }

.modal { width: min(560px, calc(100% - 28px)); max-height: calc(100vh - 32px); border: 0; border-radius: 20px; padding: 0; box-shadow: 0 30px 90px rgba(10,25,20,.28); }
.modal::backdrop { background: rgba(14,25,22,.56); backdrop-filter: blur(4px); }
.modal form { display: grid; gap: 17px; padding: 25px; }
.modal-head { display: flex; justify-content: space-between; gap: 15px; }
.modal-head h2 { font-size: 24px; }
.modal-error { min-height: 0; padding: 11px 13px; border-radius: 10px; background: var(--coral-soft); color: var(--danger); line-height: 1.5; }
.modal-error:empty { display: none; }
.period-fieldset { border: 0; padding: 0; margin: 0; }
.period-fieldset legend { margin-bottom: 9px; color: #34423e; font-size: 13px; font-weight: 700; }
.period-buttons { display: flex; flex-wrap: wrap; gap: 7px; }
.period-buttons button { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 8px 11px; color: var(--muted); font-size: 12px; font-weight: 700; }
.period-buttons button.active { background: var(--forest); color: white; border-color: var(--forest); }
.money-input { position: relative; }
.money-input span { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.money-input input { padding-left: 31px; }
.toast { position: fixed; z-index: 100; right: 22px; bottom: 22px; max-width: min(400px, calc(100% - 32px)); padding: 13px 17px; border-radius: 12px; background: var(--ink); color: white; box-shadow: 0 15px 50px rgba(0,0,0,.22); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .22s; }
.toast.show { opacity: 1; transform: none; }
.toast.error { background: var(--danger); }
.mobile-nav { display: none; }

@media (max-width: 1100px) and (min-width: 821px) {
  .summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .app-shell { padding: 20px 18px 95px; }
  .desktop-nav { display: none; }
  .topbar { margin-bottom: 31px; }
  .today-label { display: none; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: 1fr; }
  .mobile-nav { position: fixed; z-index: 50; display: grid; grid-template-columns: repeat(3, 1fr); left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom)); padding: 6px; border: 1px solid rgba(255,255,255,.12); border-radius: 17px; background: rgba(23,45,50,.96); box-shadow: 0 16px 45px rgba(28,53,57,.24); backdrop-filter: blur(14px); }
  .mobile-nav button { display: grid; justify-items: center; gap: 3px; min-height: 44px; border: 0; border-radius: 11px; background: transparent; color: #b9c3bf; padding: 7px 4px; font-size: 10px; font-weight: 700; }
  .mobile-nav button span { font-size: 15px; }
  .mobile-nav button.active { background: rgba(255,255,255,.12); color: #fff; }
  .toast { right: 16px; bottom: 92px; }
}

@media (max-width: 540px) {
  .login-card { padding: 30px 24px; }
  .section-heading { align-items: center; }
  .section-heading h2 { max-width: 230px; }
  .section-heading .primary { padding-inline: 12px; font-size: 13px; }
  .summary-card { min-height: 120px; padding: 17px; }
  .summary-card strong { font-size: 26px; }
  .summary-card.income { grid-column: 1 / -1; }
  .team-head, .member-list, .team-actions { padding-left: 16px; padding-right: 16px; }
  .team-stats { padding-left: 16px; padding-right: 16px; }
  .member-settlement { display: grid; justify-content: stretch; }
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .reminder-item { grid-template-columns: 48px minmax(0, 1fr); gap: 12px; }
  .days-chip { width: 48px; height: 48px; }
  .reminder-date { grid-column: 2; text-align: left; }
  .modal { width: calc(100% - 18px); }
  .modal form { padding: 20px 17px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}