/* ===== VARIABLES ===== */
:root {
  --bg: #eef2f8;
  --surface: #ffffff;
  --surface-2: #f6f9fc;
  --ink: #0f1e35;
  --ink-2: #2d3d52;
  --muted: #6b7a8f;
  --line: rgba(200,214,230,0.75);
  --teal: #0d9488;
  --teal-dark: #0f766e;
  --teal-light: rgba(13,148,136,0.10);
  --orange: #f97316;
  --violet: #7c3aed;
  --cyan: #0891b2;
  --rose: #e11d48;
  --green: #16a34a;
  --amber: #d97706;

  /* Glass Accent */
  --glass-bg: rgba(255,255,255,0.72);
  --glass-border: rgba(255,255,255,0.60);
  --glass-shadow: 0 8px 32px rgba(15,30,53,0.08), 0 1px 0 rgba(255,255,255,0.80) inset;
  --glass-blur: blur(24px) saturate(1.8);

  /* Cards */
  --card-shadow: 0 2px 10px rgba(15,30,53,0.06), 0 1px 2px rgba(15,30,53,0.04);
  --radius: 16px;
  --radius-sm: 10px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  background: linear-gradient(160deg, #dde8f4 0%, #eef2f8 40%, #e8f0f8 70%, #f0f4f9 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}
h1, h2, h3, p { margin: 0; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: inherit; }
img { display: block; max-width: 100%; }

/* ===== GLASS ACCENT UTILITY ===== */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
}

/* ===== DIALOGS ===== */
dialog {
  display: none;
  position: fixed;
  inset: 0;
  width: calc(100% - 32px);
  max-width: 500px;
  max-height: calc(100dvh - 64px);
  margin: auto;
  border: none;
  border-radius: var(--radius);
  padding: 0;
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(15,30,53,0.20);
  z-index: 1000;
  overflow: hidden auto;
  -webkit-overflow-scrolling: touch;
}
dialog[open] { display: block; }
dialog::backdrop { background: rgba(15,30,53,0.45); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }

.dialog-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,30,53,0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
}
.dialog-backdrop.is-open { display: block; }

/* ===== UTILITIES ===== */
.is-hidden { display: none !important; }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: 26px; font-weight: 800; line-height: 1.2; color: var(--ink); }
h2 { font-size: 17px; font-weight: 700; line-height: 1.3; color: var(--ink); }
.section-label {
  font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .06em;
  display: block; margin-bottom: 6px; font-weight: 600;
}
.label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.eyebrow { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }

/* ===== BUTTONS ===== */
.primary-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; border-radius: var(--radius-sm); font-weight: 700; padding: 0 18px;
  background: var(--teal); color: #fff; border: none; cursor: pointer; white-space: nowrap;
  transition: background .15s, box-shadow .15s;
  box-shadow: 0 2px 8px rgba(13,148,136,.28);
}
.primary-button:hover { background: var(--teal-dark); box-shadow: 0 4px 16px rgba(13,148,136,.36); }
.primary-button:active { transform: translateY(1px); }
.primary-button:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }

.ghost-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; border-radius: var(--radius-sm); font-weight: 600; padding: 0 14px;
  background: rgba(255,255,255,0.80); color: var(--ink-2);
  border: 1px solid var(--line); cursor: pointer; white-space: nowrap;
  transition: background .15s;
}
.ghost-button:hover { background: rgba(255,255,255,0.96); }
.ghost-button.danger { color: var(--rose); }
.ghost-button.full-width { width: 100%; }

.icon-button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.80); color: var(--ink-2);
  border: 1px solid var(--line); cursor: pointer; flex-shrink: 0;
  transition: background .15s;
}
.icon-button:hover { background: rgba(255,255,255,0.96); }

/* ===== FORM ===== */
input[type="text"], input[type="number"], select {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  outline: none;
  -webkit-appearance: none;
  transition: border-color .15s, box-shadow .15s;
}
input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,148,136,.14);
}
input[type="text"]::placeholder,
input[type="number"]::placeholder { color: #aab4c0; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--teal); flex-shrink: 0; }

.field { display: grid; gap: 7px; }
.field > label, .field > span { font-size: 13px; color: var(--ink-2); font-weight: 500; }
.field-hint { font-size: 11px; color: var(--muted); }

.switch-row { display: flex; align-items: center; gap: 10px; min-height: 36px; font-size: 14px; cursor: pointer; }
.compact-check { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; line-height: 1.5; }
.compact-check input { margin-top: 2px; }

/* ===== BRAND ===== */
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: block;
  width: 42px; height: 42px;
  border-radius: 12px;
  flex-shrink: 0;
  object-fit: cover;
}
.brand-name { font-weight: 800; font-size: 16px; line-height: 1.1; letter-spacing: -.01em; }
.brand-subtitle { font-size: 11px; color: var(--muted); margin-top: 1px; }

/* ===== CONSENT MODAL ===== */
#consentDialog { max-width: 420px; }
.consent-body { display: grid; gap: 14px; }
.consent-lead { font-size: 14px; line-height: 1.65; font-weight: 500; color: var(--ink-2); }
.consent-list { list-style: none; display: grid; gap: 0; }
.consent-list li {
  font-size: 13px; color: var(--muted); padding: 8px 0 8px 20px;
  border-bottom: 1px solid var(--line); position: relative;
}
.consent-list li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.consent-check {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1.5px solid var(--line);
  font-size: 13px; line-height: 1.55; cursor: pointer;
}
.consent-check a { color: var(--teal); text-decoration: underline; }
.consent-check input { margin-top: 2px; }
.consent-actions { display: grid; }
.consent-agree-btn { width: 100%; min-height: 52px; font-size: 16px; border-radius: var(--radius-sm); }

/* ===== LANDING SCREEN ===== */
.start-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 40px;
}
.start-layout {
  width: 100%;
  max-width: 980px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 20px;
  align-items: start;
  flex: 1;
  margin-top: 24px;
}
.start-copy {
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  display: grid;
  gap: 20px;
  align-content: start;
}
.start-copy h1 { font-size: 36px; line-height: 1.2; margin-top: 12px; }
.start-note { font-size: 13px; color: var(--muted); line-height: 1.75; }

.group-card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1.5px solid var(--line);
  background: var(--surface);
  box-shadow: var(--card-shadow);
  display: grid;
  gap: 16px;
}
.member-entry { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.starter-member-list { display: flex; flex-wrap: wrap; gap: 6px; min-height: 34px; }
.empty-inline { font-size: 13px; color: var(--muted); align-self: center; }
.starter-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 0 10px 0 12px; height: 34px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface-2); font-size: 13px;
}
.starter-chip span { width: 8px; height: 8px; border-radius: 50%; background: var(--chip-color); }
.starter-chip button {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--line); color: var(--muted); font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.create-group-button { width: 100%; min-height: 52px; font-size: 16px; border-radius: var(--radius-sm); }

.site-footer.start-footer,
.start-footer-bar {
  width: 100%; max-width: 980px;
  display: flex; gap: 16px; flex-wrap: wrap;
  padding-top: 20px; margin-top: 8px;
  font-size: 12px; color: var(--muted);
  border-top: 1px solid var(--line);
}
.start-footer-bar a, .site-footer.start-footer a { color: var(--muted); text-decoration: underline; }

/* ===== MOBILE TOP BAR ===== */
.mobile-topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px) saturate(1.8);
  -webkit-backdrop-filter: blur(16px) saturate(1.8);
  position: sticky;
  top: 0;
  z-index: 200;
}
.mobile-topbar-brand { display: flex; align-items: center; gap: 10px; min-width: 0; overflow: hidden; }
.mobile-topbar-brand .brand-mark { width: 34px; height: 34px; border-radius: 9px; }
.mobile-room-title { font-weight: 700; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mobile-member-count { font-size: 12px; color: var(--muted); display: block; }

/* ===== APP SHELL ===== */
.app-shell {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 20px 16px;
  border-right: 1px solid var(--line);
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.sidebar .brand { margin-bottom: 20px; }
.sidebar-section { padding: 14px 0; border-top: 1px solid var(--line); }
.sidebar-section .section-label { margin-bottom: 8px; }
.room-code-row { display: grid; grid-template-columns: 1fr 40px; gap: 8px; margin-top: 8px; }
.sync-state { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); margin-top: 8px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex-shrink: 0; box-shadow: 0 0 0 4px rgba(22,163,74,.15); }
.sidebar-room-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 8px; }
.sidebar-room-actions .ghost-button { font-size: 13px; min-height: 38px; }
.swatches { display: flex; gap: 6px; flex-wrap: wrap; }
.swatch { width: 26px; height: 26px; border-radius: 50%; border: 2px solid transparent; background: var(--swatch); cursor: pointer; transition: transform .1s; }
.swatch.is-selected { border-color: var(--ink); box-shadow: 0 0 0 2px rgba(15,30,53,.18); }
.friend-form { display: grid; gap: 10px; margin-top: 10px; }
.sidebar-footer { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; }
.sidebar-footer a { color: var(--muted); text-decoration: underline; }

/* ===== MAIN ===== */
.main { min-width: 0; padding: 24px 20px 48px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.topbar .eyebrow { margin-bottom: 4px; }
.topbar h1 { font-size: 24px; margin-top: 2px; }

/* ===== QUICK ADD ===== */
.quick-add-section { margin-bottom: 16px; }
.quick-add-button {
  width: 100%;
  min-height: 64px;
  background: var(--teal);
  color: #fff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 800;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(13,148,136,.32);
  transition: background .15s, box-shadow .15s, transform .1s;
  letter-spacing: -.01em;
}
.quick-add-button:hover { background: var(--teal-dark); box-shadow: 0 6px 24px rgba(13,148,136,.40); }
.quick-add-button:active { transform: translateY(1px); }

/* ===== OVERVIEW BAND (Glass Accent) ===== */
.overview-band {
  position: relative;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  margin-bottom: 16px;
}
.pulse-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.overview-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 14px;
  padding: 16px;
}
.metric-cluster { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.metric {
  padding: 13px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(200,214,230,0.55);
  box-shadow: 0 1px 4px rgba(15,30,53,0.04);
}
.metric-label { font-size: 11px; color: var(--muted); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.metric-value { font-size: 22px; font-weight: 800; line-height: 1.1; margin-top: 4px; color: var(--ink); letter-spacing: -.02em; }
.metric-unit { font-size: 11px; color: var(--muted); margin-top: 3px; }

.alert-panel {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(15,30,53,0.86);
  color: #fff;
  display: grid;
  gap: 8px;
  align-content: center;
  backdrop-filter: blur(8px);
}
.alert-title { font-weight: 700; font-size: 13px; letter-spacing: -.01em; }
.alert-item { font-size: 12px; color: rgba(255,255,255,.78); line-height: 1.55; display: grid; gap: 2px; }
.alert-item strong { color: #fff; }
.alert-item span { display: block; opacity: 0.78; }

/* ===== DASHBOARD GRID ===== */
.dashboard-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 14px; margin-bottom: 14px; }

/* Chart panel — Glass Accent */
.chart-panel {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  padding: 18px;
}

/* Feed panel — clean white */
.feed-panel {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--card-shadow);
  padding: 18px;
}
.panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.legend-item { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--muted); }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--dot); }
.timeline-chart { display: block; width: 100%; height: 200px; }
.feed-list { list-style: none; display: grid; gap: 7px; max-height: 240px; overflow-y: auto; -webkit-overflow-scrolling: touch; margin-top: 4px; }
.feed-item { display: block; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); border-left: 4px solid var(--feed-color); }
.feed-color { display: none; }
.feed-main strong { display: block; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.feed-meta { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ===== MEMBERS ===== */
.members-section {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--card-shadow);
  padding: 18px;
  margin-bottom: 14px;
}
.member-add-section {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--card-shadow);
  padding: 18px;
  margin-bottom: 14px;
}
.member-add-form { display: grid; grid-template-columns: 1fr auto auto 100px; align-items: center; gap: 10px; margin-top: 14px; }
.member-add-form .primary-button { min-height: 44px; }

.member-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-top: 14px; }
.member-card { border: 1.5px solid var(--line); border-radius: var(--radius); padding: 16px; background: var(--surface); box-shadow: var(--card-shadow); }
.member-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.member-person { display: flex; align-items: center; gap: 10px; min-width: 0; }
.avatar { width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--member-color); color: #fff; font-weight: 800; font-size: 14px; display: grid; place-items: center; flex-shrink: 0; }
.member-name { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.member-status { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--muted); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--member-color); }
.member-actions { display: flex; gap: 4px; flex-shrink: 0; }
.member-warning { margin-top: 8px; padding: 9px 11px; border-radius: var(--radius-sm); font-size: 12px; line-height: 1.55; }
.pace-warning { background: rgba(217,119,6,.08); color: #92400e; border: 1px solid rgba(217,119,6,.18); }
.hydration-warning { background: rgba(8,145,178,.08); color: #0e7490; border: 1px solid rgba(8,145,178,.18); }

.meter-row { display: grid; grid-template-columns: 96px 1fr; align-items: center; gap: 12px; margin-top: 14px; }
.meter {
  width: 96px; height: 96px; border-radius: 50%;
  background: radial-gradient(circle at center, #fff 0 55%, transparent 56%),
    conic-gradient(var(--member-color) calc(var(--progress) * 1%), #e4edf6 0);
  display: grid; place-items: center;
}
.meter strong { font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.meter span { display: block; font-size: 10px; color: var(--muted); text-align: center; }
.status-band { display: grid; gap: 6px; }
.status-pill { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px; background: var(--status-bg); color: var(--status-ink); font-size: 12px; font-weight: 700; }
.status-copy { font-size: 12px; color: var(--muted); line-height: 1.55; }
.mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 12px; }
.mini-stat { padding: 9px 10px; border-radius: var(--radius-sm); background: var(--surface-2); border: 1px solid var(--line); }
.mini-stat span { display: block; font-size: 10px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.mini-stat strong { display: block; font-size: 14px; font-weight: 700; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.consent-off { display: grid; place-items: center; min-height: 120px; border: 1.5px dashed var(--line); border-radius: var(--radius-sm); color: var(--muted); font-size: 13px; margin-top: 14px; }

/* ===== END SESSION ===== */
.end-session-section { display: flex; justify-content: center; margin-bottom: 16px; }
.end-session-btn { width: 100%; max-width: 480px; text-align: center; border-radius: var(--radius-sm); }

/* ===== MOBILE ROOM ACTIONS ===== */
.room-actions-mobile {
  display: none;
  gap: 8px;
  margin-bottom: 24px;
}
.room-actions-mobile .ghost-button { flex: 1; font-size: 14px; }

/* ===== SITE FOOTER ===== */
.site-footer { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--muted); padding-top: 20px; border-top: 1px solid var(--line); margin-top: 16px; }
.site-footer a { color: var(--muted); text-decoration: underline; }

/* ===== DIALOG INNER ===== */
.dialog-form { display: grid; gap: 14px; padding: 20px; }
.dialog-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.dialog-head .section-label { margin-bottom: 2px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.dialog-note { font-size: 11px; color: var(--muted); }
.dialog-summary {
  padding: 13px 14px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2); line-height: 1.55;
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* Drink presets */
.preset-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.preset-button {
  min-height: 54px; padding: 10px 9px;
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: var(--surface-2); text-align: left; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.preset-button:hover { background: var(--surface); }
.preset-button.is-selected { border-color: var(--teal); background: var(--teal-light); box-shadow: 0 0 0 2px rgba(13,148,136,.12); }
.preset-button strong, .preset-button span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preset-button strong { font-size: 13px; font-weight: 600; }
.preset-button span { font-size: 11px; color: var(--muted); margin-top: 2px; }
.cat-tabs { display: flex; flex-wrap: wrap; gap: 5px; }
.cat-tab { padding: 5px 13px; border-radius: 999px; border: 1.5px solid var(--line); background: rgba(255,255,255,0.80); font-size: 12px; color: var(--muted); cursor: pointer; white-space: nowrap; font-weight: 500; transition: all .12s; }
.cat-tab.is-active { background: var(--teal); border-color: var(--teal); color: #fff; font-weight: 600; }

/* Share dialog */
.share-copy { font-size: 14px; color: var(--muted); line-height: 1.65; }
.share-url-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.share-url-row input { background: var(--surface-2); }

/* ===== SUMMARY DIALOG ===== */
.summary-dialog { max-width: 540px; }
.summary-dialog-form { gap: 0; padding: 0; }

/* Light header */
.summary-top {
  position: relative;
  text-align: center;
  padding: 32px 20px 22px;
  background: linear-gradient(160deg, #ddf0ee 0%, #eaf3fb 55%, #f0f5fa 100%);
  border-radius: var(--radius) var(--radius) 0 0;
}
.summary-top-icon { width: 52px; height: 52px; border-radius: 14px; margin: 0 auto 14px; display: block; object-fit: cover; }
.summary-top-title { font-size: 22px; font-weight: 800; color: var(--ink); line-height: 1.25; letter-spacing: -.02em; }
.summary-top-date { font-size: 13px; color: var(--muted); margin-top: 5px; }
.summary-close-btn {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px; border-radius: 8px;
  background: rgba(15,30,53,0.08); color: var(--ink-2);
  display: grid; place-items: center; font-size: 16px; cursor: pointer; border: none;
}
.summary-close-btn:hover { background: rgba(15,30,53,0.14); }

/* 4-col KPI */
.summary-kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 14px 14px 8px; }
.summary-metric {
  padding: 11px 6px; border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--card-shadow); text-align: center;
}
.summary-val { font-size: 16px; font-weight: 800; color: var(--teal); letter-spacing: -.02em; line-height: 1.2; }
.summary-lbl { font-size: 9px; color: var(--muted); margin-top: 3px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

/* Chart */
.sm-chart-section { padding: 6px 14px 8px; }
.sm-chart-title { font-size: 12px; font-weight: 700; color: var(--ink-2); margin-bottom: 7px; }
.sm-chart-wrap { border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line); background: #fff; }
.sm-chart-canvas { display: block; width: 100%; height: 170px; }

/* Bottom 2-col */
.sm-bottom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 4px 14px 10px; }
.sm-section { padding: 12px; border-radius: var(--radius-sm); background: #fff; border: 1px solid var(--line); box-shadow: var(--card-shadow); }
.sm-section-title { font-size: 11px; font-weight: 700; color: var(--ink-2); margin-bottom: 10px; text-transform: uppercase; letter-spacing: .04em; }

/* Member bar */
.sm-bar-list { display: grid; gap: 8px; }
.sm-bar-row { display: grid; gap: 3px; }
.sm-bar-name-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.sm-bar-name { font-size: 12px; color: var(--ink-2); font-weight: 600; }
.sm-bar-grams { font-size: 11px; color: var(--teal); font-weight: 700; }
.sm-bar-track { height: 7px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.sm-bar-fill { height: 100%; border-radius: 99px; background: var(--teal); min-width: 4px; transition: width .3s; }

/* Category bar */
.sm-cat-list { display: grid; gap: 8px; }
.sm-cat-row { display: grid; gap: 3px; }
.sm-cat-header { display: flex; justify-content: space-between; align-items: baseline; }
.sm-cat-name { font-size: 12px; color: var(--ink-2); }
.sm-cat-pct { font-size: 11px; color: var(--teal); font-weight: 700; }
.sm-cat-track { height: 7px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.sm-cat-fill { height: 100%; border-radius: 99px; background: var(--teal); }

/* Share actions */
.sm-share-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 6px 14px 4px; }
.sm-share-btn { width: 100%; justify-content: center; }
.summary-dialog-form .dialog-note { padding: 0 14px; font-size: 11px; }
.summary-dialog-form .dialog-actions { padding: 0 14px 14px; }

/* Dark footer */
.summary-footer-dark {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 20px;
  background: var(--ink);
}
.summary-footer-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.summary-footer-icon { width: 34px; height: 34px; border-radius: 9px; object-fit: cover; display: block; }
.summary-footer-name { font-size: 17px; font-weight: 800; color: #fff; letter-spacing: -.01em; }
.summary-footer-divider { width: 1px; height: 30px; background: rgba(255,255,255,0.18); flex-shrink: 0; }
.summary-footer-tagline { font-size: 12px; color: rgba(255,255,255,0.62); line-height: 1.65; flex: 1; }
.summary-footer-tagline em { color: var(--teal); font-style: normal; font-weight: 600; }

/* Mobile */
@media (max-width: 480px) {
  .summary-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .sm-bottom-grid { grid-template-columns: 1fr; }
  /* iOS Safari: prevent auto-zoom on input focus (triggered when font-size < 16px) */
  input[type="text"], input[type="number"], select { font-size: 16px; }
}

/* Undo toast */
.undo-toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(10px);
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--ink); color: #fff; font-size: 14px;
  box-shadow: 0 8px 24px rgba(15,30,53,.28);
  opacity: 0; transition: opacity .2s, transform .2s;
  z-index: 2000; white-space: nowrap;
}
.undo-toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.undo-toast button { background: rgba(255,255,255,.18); border-radius: 6px; color: #fff; padding: 4px 10px; font-size: 13px; font-weight: 600; }

.empty-state { display: grid; place-items: center; min-height: 100px; color: var(--muted); font-size: 13px; }

/* ===== ROOM LOADING / ERROR OVERLAYS ===== */
.room-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  padding: 24px;
}
.room-overlay-card {
  text-align: center;
  padding: 36px 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1.5px solid var(--line);
  box-shadow: var(--card-shadow);
  max-width: 360px;
  width: 100%;
  display: grid;
  gap: 14px;
  place-items: center;
}
.loading-spinner {
  width: 44px; height: 44px;
  border: 3px solid var(--line);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.room-overlay-title { font-size: 18px; font-weight: 700; }
.room-overlay-body { font-size: 13px; color: var(--muted); line-height: 1.65; }
.room-overlay-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(217,119,6,.10);
  color: #92400e;
  font-size: 22px; font-weight: 800;
  display: grid; place-items: center;
}

/* ===== RESPONSIVE: TABLET ≤ 1080px ===== */
@media (max-width: 1080px) {
  .start-layout { grid-template-columns: 1fr; max-width: 480px; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px;
    border-right: none;
    border-bottom: 1px solid var(--line);
    overflow: visible;
  }
  .sidebar .brand { flex: 0 0 100%; margin-bottom: 0; }
  .sidebar-section { flex: 1 1 200px; border: 1.5px solid var(--line); border-radius: var(--radius); padding: 12px; background: rgba(255,255,255,0.80); }
  .sidebar-footer { flex: 0 0 100%; margin-top: 0; padding-top: 8px; border-top: 1px solid var(--line); }
  .overview-content { grid-template-columns: 1fr; }
  .metric-cluster { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .member-grid { grid-template-columns: repeat(2, 1fr); }
  .member-add-form { grid-template-columns: 1fr auto; }
}

/* ===== RESPONSIVE: MOBILE ≤ 680px ===== */
@media (max-width: 680px) {
  .mobile-topbar { display: flex; }
  .sidebar { display: none !important; }
  .topbar { display: none; }
  .app-shell { display: block; }
  .room-actions-mobile { display: flex; }

  .start-screen { padding: 16px 14px 32px; }
  .start-layout { margin-top: 16px; gap: 14px; }
  .start-copy { padding: 20px; }
  .start-copy h1 { font-size: 26px; }
  .group-card { padding: 18px; }

  .main { padding: 14px 14px 36px; }

  .overview-content { padding: 12px; gap: 10px; }
  .metric-cluster { gap: 7px; }
  .metric { padding: 10px 10px; }
  .metric-value { font-size: 18px; }

  .quick-add-button { min-height: 62px; font-size: 16px; border-radius: var(--radius-sm); }

  .dashboard-grid { gap: 10px; }
  .chart-panel, .feed-panel { padding: 14px; }
  .timeline-chart { height: 150px; }
  .feed-list { max-height: 180px; }

  .member-grid { grid-template-columns: 1fr; }
  .meter-row { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .status-pill { margin: 0 auto; }

  .member-add-form { grid-template-columns: 1fr; }
  .member-add-form .primary-button { width: 100%; }

  .two-col { grid-template-columns: 1fr; }
  .preset-grid { grid-template-columns: repeat(2, 1fr); }
  .dialog-actions { flex-direction: column-reverse; }
  .dialog-actions .ghost-button, .dialog-actions .primary-button { width: 100%; justify-content: center; }

  .summary-hero-title { font-size: 16px; }
  .sm-share-actions { grid-template-columns: 1fr 1fr; }

  .undo-toast { max-width: calc(100vw - 16px); white-space: normal; font-size: 13px; bottom: 12px; }
  .undo-toast span { flex: 1; }
  .undo-toast button { flex-shrink: 0; }

  .share-url-row { grid-template-columns: 1fr; }
  .member-entry { grid-template-columns: 1fr; }
}

/* ===== RESPONSIVE: NARROW ≤ 400px ===== */
@media (max-width: 400px) {
  .metric-cluster { grid-template-columns: repeat(2, 1fr); }
  .cat-tab { font-size: 11px; padding: 4px 10px; }
  .mobile-topbar { padding: 8px 12px; }
  .quick-add-button { min-height: 58px; }
}