:root {
  --canvas: #edf4f2;
  --surface: #ffffff;
  --surface-soft: #f5f9f8;
  --ink: #122724;
  --muted: #526762;
  --line: #bfd0cb;
  --teal-900: #075f56;
  --teal-700: #147f74;
  --teal-100: #dcefeb;
  --red-700: #a21b24;
  --red-100: #ffe6e8;
  --blue-700: #2566a9;
  --blue-100: #e6f0fb;
  --amber-700: #7a5200;
  --amber-100: #fff0ca;
  --shadow: 0 14px 34px rgba(20, 72, 64, .08);
}

html, body { background: var(--canvas); }
body {
  position: relative;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body::before,
body::after {
  content: "";
  position: fixed;
  z-index: 0;
  width: 140vmax;
  height: clamp(20px, 2.1vw, 32px);
  pointer-events: none;
  background: rgba(214, 31, 42, .4);
  box-shadow:
    0 clamp(48px, 4.2vw, 70px) 0 rgba(229, 164, 24, .4),
    0 clamp(96px, 8.4vw, 140px) 0 rgba(20, 127, 116, .39);
  transform: rotate(48deg);
  transform-origin: left center;
}
body::before { top: -8vmax; left: -12vmax; }
body::after { display: none; }
.app-shell,
.login-shell { position: relative; z-index: 1; }
.login-shell { background: transparent; }
h1 { font-size: 2rem; font-weight: 850; }
h2 { font-size: 1.35rem; font-weight: 820; }

.app-header {
  min-height: 70px;
  color: var(--ink);
  background: rgba(237,244,242,.94);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 24px rgba(12, 73, 65, .07);
  backdrop-filter: blur(20px);
}
.brand-logo { width: 58px; height: 48px; padding: 3px; border: 1px solid #cad8d4; background: #fff; }
.active-role-button {
  color: var(--teal-700);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.7);
}
.active-role-button:hover, .header-icon:hover, .compact-button:hover { color: var(--teal-900); background: #dcefeb; }
.header-icon, .compact-button { color: var(--teal-900); }
.compact-button { border: 1px solid var(--line); background: rgba(255,255,255,.7); }

.app-layout { grid-template-columns: 250px minmax(0, 1fr); min-height: calc(100vh - 70px); }
.side-nav {
  top: 70px;
  height: calc(100vh - 70px);
  padding: 23px 14px 34px;
  border-right: 1px solid var(--line);
  background: #e6efed;
}
.nav-section + .nav-section { margin-top: 17px; }
.nav-section-label { color: #5e746f; font-size: .68rem; font-weight: 850; }
.nav-button {
  min-height: 46px;
  border: 1px solid transparent;
  color: #304943;
  font-weight: 760;
}
.nav-button:hover { color: var(--teal-900); background: rgba(255,255,255,.62); }
.nav-button.active {
  color: var(--teal-900);
  border-color: var(--teal-700);
  background: #e1f3ef;
  box-shadow: none;
}
.nav-button.active svg { color: var(--teal-700); }

.view-root { max-width: 1500px; padding: 38px 44px 84px; }
.page-head {
  margin-bottom: 28px;
  padding: 0 0 21px;
  border-bottom: 1px solid var(--line);
}
.page-head h1 { color: var(--ink); }
.page-head p { color: var(--muted); }

.summary-grid { gap: 13px; margin-bottom: 31px; }
.summary-tile {
  min-height: 126px;
  padding: 21px 18px 17px;
  border: 2px solid var(--line);
  border-radius: 7px;
  background: #fff;
  box-shadow: none;
}
.summary-tile::before { display: none; }
.summary-tile span { color: var(--muted); font-size: .76rem; font-weight: 850; }
.summary-tile strong { color: var(--ink); font-size: 2rem; font-weight: 880; }
.summary-tile:nth-child(1) { border-color: var(--teal-700); background: #f8fffd; }
.summary-tile.blue { border-color: #7da5ce; background: #f8fbff; }
.summary-tile.amber { border-color: #d0ab55; background: #fffdf7; }
.summary-tile.red { border-color: #cf7a82; background: #fffafb; }

.section-band {
  margin-bottom: 29px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}
.section-head { margin-bottom: 16px; }
.section-head p { color: var(--muted); }
.result-list, .member-list, .group-list, .notification-list, .timeline { gap: 10px; }
.list-row, .dashboard-link, .timeline-card, .member-card, .group-card, .notification-card {
  border: 2px solid var(--line);
  border-radius: 7px;
  background: #fff;
  box-shadow: none;
}
.list-row { position: relative; padding: 17px 18px; }
.list-row:hover, .dashboard-link:hover {
  transform: none;
  border-color: var(--teal-700);
  background: #f8fffd;
  box-shadow: 0 12px 28px rgba(20,127,116,.09);
}
.timeline-card { border-left: 4px solid var(--teal-700); }
.member-card.selected, .group-card.selected, .option-button.selected {
  border-color: var(--teal-700);
  background: #e1f3ef;
}

.primary-button {
  border: 0;
  color: #fff;
  background: var(--teal-700);
  font-weight: 850;
}
.primary-button:hover { background: var(--teal-900); }
.secondary-button {
  border: 1px solid var(--teal-700);
  color: var(--teal-900);
  background: #fff;
}
.secondary-button:hover { background: var(--teal-100); }
.danger-button { color: var(--red-700); background: var(--red-100); }
input, select, textarea {
  border: 1px solid #b9cbc6;
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
}
input:focus, select:focus, textarea:focus { border-color: var(--teal-700); box-shadow: 0 0 0 3px rgba(20,127,116,.14); }

.status-pill, .group-badge, .next-group, .network {
  border: 0;
  border-radius: 999px;
  color: var(--teal-900);
  background: var(--teal-100);
  font-weight: 850;
}
.status-pill.red { color: var(--red-700); background: var(--red-100); }
.status-pill.amber { color: var(--amber-700); background: var(--amber-100); }
.callout { border-radius: 7px; }

.modal, .mobile-nav-dialog {
  border: 0;
  border-radius: 8px;
  box-shadow: 0 30px 90px rgba(8,26,23,.3);
}
.modal::backdrop, .mobile-nav-dialog::backdrop { background: rgba(8,26,23,.65); }
.option-button {
  border: 2px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: #fff;
}
.option-button:hover { border-color: var(--teal-700); background: #f8fffd; }
.mobile-nav-section + .mobile-nav-section { border-top-color: var(--line); }

.login-shell { background: var(--canvas); }
.login-panel {
  border: 2px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 28px 70px rgba(20,72,64,.13);
}
.login-panel .primary-button { background: var(--teal-700); }
.login-panel .primary-button:hover { background: var(--teal-900); }

@media (max-width: 720px) {
  body::before,
  body::after {
    width: 140vmax;
    height: 19px;
    opacity: .92;
    box-shadow:
      0 43px 0 rgba(229, 164, 24, .41),
      0 86px 0 rgba(20, 127, 116, .4);
  }
  body::before { top: -8vmax; left: -12vmax; }
  h1 { font-size: 1.72rem; }
  .app-header { min-height: calc(68px + env(safe-area-inset-top)); }
  .view-root { padding: 25px 14px calc(94px + env(safe-area-inset-bottom)); }
  .page-head { margin-bottom: 23px; padding-bottom: 18px; }
  .summary-grid { gap: 9px; margin-bottom: 27px; }
  .summary-tile { min-height: 106px; padding: 15px 13px; }
  .summary-tile span { font-size: .7rem; }
  .summary-tile strong { font-size: 1.7rem; }
  .section-band { padding-top: 21px; }
  .list-row { padding: 15px; }
  button.mobile-menu-button {
    color: #fff;
    background: var(--teal-700);
    box-shadow: 0 14px 30px rgba(20,127,116,.26);
  }
  .mobile-nav-dialog { background: #f7fbfa; }
}

@media print {
  .summary-tile, .list-row { box-shadow: none; }
}