:root {
  --background: #2f3136;
  --paper: #212529;
  --card: #191c20;
  --line: #454a52;
  --text: #f5f6f7;
  --muted: #c8ced6;
  --accent: #5865f2;
  --accent-2: #43b581;
  --warn: #faa61a;
  --danger: #d84f57;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font-family: "Open Sans", Arial, Helvetica, sans-serif;
}
a { color: inherit; }
button, input, textarea, select { font: inherit; }
button, .button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  color: var(--text);
  padding: 0 13px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 800;
}
.primary-action { background: var(--accent); border-color: var(--accent); color: #fff; }
.hub-shell { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 100vh; }
.hub-sidebar { position: sticky; top: 0; height: 100vh; overflow-y: auto; background: var(--paper); border-right: 1px solid var(--line); }
.brand-panel { display: grid; grid-template-columns: 60px 1fr; gap: 12px; align-items: center; padding: 18px 16px; }
.brand-mark { display: grid; place-items: center; width: 54px; aspect-ratio: 1; border-radius: 6px; background: var(--accent); color: #fff; font-weight: 900; }
.brand-panel h1, .topbar h2, .hero-copy h2, .panel h3 { margin: 0; letter-spacing: 0; }
.brand-panel h1 { font-size: 18px; line-height: 1.1; }
.eyebrow { margin: 0 0 5px; color: var(--muted); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.nav-stack { display: grid; gap: 8px; padding: 0 10px 18px; }
.nav-group { border-top: 1px solid var(--line); padding-top: 8px; }
.nav-group a { display: flex; align-items: center; gap: 10px; min-height: 40px; border-radius: 5px; padding: 0 12px; color: var(--muted); text-decoration: none; font-weight: 800; }
.nav-group a:hover { background: #2a2e34; color: var(--text); }
.nav-group a span { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hub-main { display: grid; gap: 18px; align-content: start; padding: 20px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 58px; }
.topbar h2 { font-size: 28px; }
.user-pill { display: inline-flex; min-height: 36px; align-items: center; border: 1px solid var(--line); border-radius: 999px; padding: 0 12px; color: var(--muted); }
.hero-panel { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr); min-height: 260px; border-radius: 5px; overflow: hidden; background: var(--paper); border: 1px solid var(--line); }
.hero-copy { padding: 28px; }
.hero-copy h2 { max-width: 850px; font-size: clamp(28px, 4vw, 44px); line-height: 1.05; }
.hero-copy p:last-child { color: var(--muted); line-height: 1.6; }
.route-visual { position: relative; min-height: 260px; background: linear-gradient(135deg, #16191d, #252a31); }
.route-city, .truck-pin { position: absolute; z-index: 2; border: 1px solid var(--line); border-radius: 5px; background: #2f3136; color: var(--text); padding: 8px 10px; font-size: 13px; font-weight: 900; }
.city-a { left: 10%; top: 20%; } .city-b { right: 16%; top: 34%; } .city-c { left: 38%; bottom: 18%; }
.truck-pin { left: 50%; top: 46%; background: var(--warn); color: #171717; }
.route-line { position: absolute; height: 4px; border-radius: 99px; background: var(--accent); transform-origin: left center; }
.line-one { left: 20%; top: 34%; width: 48%; transform: rotate(9deg); } .line-two { left: 45%; top: 56%; width: 32%; transform: rotate(-28deg); }
.metric-grid, .content-grid, .member-grid, .form-grid { display: grid; gap: 14px; }
.metric-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.member-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.metric-card, .panel, .connection-card, .auth-card { background: var(--paper); border: 1px solid var(--line); border-radius: 5px; }
.metric-card { padding: 18px; }
.metric-card p, .metric-card span, .leader-row p, .event-row p, .connection-card p, .notice-list p { margin: 0; color: var(--muted); }
.metric-card strong { display: block; margin: 8px 0 4px; font-size: 30px; }
.panel { padding: 18px; min-width: 0; }
.panel.wide, .form-grid .wide { grid-column: 1 / -1; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.table-list, .leader-stack, .event-stack, .notice-list { display: grid; gap: 8px; }
.table-row { display: grid; grid-template-columns: 1fr 1.5fr 1.1fr 90px 90px; align-items: center; gap: 12px; min-height: 52px; border: 1px solid var(--line); border-radius: 5px; background: var(--card); padding: 10px 12px; }
.status { justify-self: start; min-width: 74px; border-radius: 999px; padding: 5px 9px; color: #fff; font-style: normal; font-size: 12px; font-weight: 900; text-align: center; }
.status.accepted { background: var(--accent-2); } .status.pending { background: var(--warn); color: #171717; } .status.rejected { background: var(--danger); }
.leader-row, .event-row { display: grid; align-items: center; gap: 12px; border-top: 1px solid var(--line); padding: 12px 0; }
.leader-row { grid-template-columns: 34px minmax(0, 1fr) auto auto; }
.rank { display: grid; place-items: center; width: 32px; aspect-ratio: 1; border-radius: 5px; background: #2a2e34; font-weight: 900; }
.event-row { grid-template-columns: 72px minmax(0, 1fr); }
.event-row time { border-radius: 5px; background: #2a2e34; color: var(--text); padding: 8px; font-weight: 900; text-align: center; }
.connection-card, .admin-item { padding: 14px; border-radius: 5px; background: var(--card); border: 1px solid var(--line); }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
label { display: grid; gap: 6px; color: var(--muted); font-weight: 800; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 5px; background: var(--card); color: var(--text); padding: 10px; }
.inline-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.flash { border-radius: 5px; padding: 12px 14px; background: #1d3829; border: 1px solid var(--accent-2); color: var(--text); }
.flash.danger { background: #3a2024; border-color: var(--danger); }
.auth-body { display: grid; place-items: center; min-height: 100vh; padding: 18px; }
.auth-card { display: grid; gap: 14px; width: min(440px, 100%); padding: 22px; }
@media (max-width: 1100px) { .metric-grid, .content-grid, .member-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .hero-panel { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .hub-shell, .metric-grid, .content-grid, .member-grid, .form-grid { grid-template-columns: 1fr; } .hub-sidebar { position: static; height: auto; } .hub-main { padding: 14px; } .table-row { grid-template-columns: 1fr; } .panel-heading, .topbar { align-items: flex-start; flex-direction: column; } }