/* ============================================================
   iPerform — design system
   Light mode is the default; dark mode via html[data-theme="dark"].
   ============================================================ */

/* Self-hosted variable-weight Outfit — no external Google Fonts request.
   Removes a render-blocking third-party round trip (fonts.googleapis.com ->
   fonts.gstatic.com) on every page load, which is slow or blocked on some
   corporate/ISP networks, and also drops one origin from the CSP allowlist. */
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/outfit-variable.woff2') format('woff2-variations'), url('../fonts/outfit-variable.woff2') format('woff2');
}

:root {
  --bg: #eef1f7;
  --bg-glow-1: rgba(124, 92, 255, 0.10);
  --bg-glow-2: rgba(0, 183, 212, 0.08);
  --surface: #ffffff;
  --surface-2: #f3f5fa;
  --surface-3: #e9edf5;
  --border: rgba(18, 26, 45, 0.10);
  --border-strong: rgba(18, 26, 45, 0.16);
  --text: #161a24;
  --text-2: #4c5266;
  --muted: #7b8196;
  --accent: #6d4bff;
  --accent-2: #009fc4;
  --grad: linear-gradient(135deg, #7c5cff 0%, #00b7d4 100%);

  /* validated light categorical palette (dataviz) */
  --series-1: #2a78d6;
  --series-2: #1baf7a;
  --series-3: #eda100;
  --series-4: #008300;
  --series-5: #4a3aa7;
  --series-6: #e34948;
  --series-7: #e87ba4;
  --series-8: #eb6834;
  --line-fill: rgba(42, 120, 214, 0.18);

  --good: #0ca30c;
  --warning: #b7791f;
  --serious: #d9682e;
  --critical: #d03b3b;

  --grid-line: rgba(18, 26, 45, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 26px rgba(23, 33, 62, 0.08);
  --shadow-pop: 0 14px 40px rgba(23, 33, 62, 0.18);
  --font: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;

  --badge-good-fg: #0a7a0a;   --badge-good-bg: rgba(12,163,12,0.12);   --badge-good-bd: rgba(12,163,12,0.35);
  --badge-warn-fg: #9a6a00;   --badge-warn-bg: rgba(250,178,25,0.16);  --badge-warn-bd: rgba(250,178,25,0.4);
  --badge-serious-fg: #b4491d; --badge-serious-bg: rgba(217,104,46,0.14); --badge-serious-bd: rgba(217,104,46,0.4);
  --badge-crit-fg: #b52d2d;   --badge-crit-bg: rgba(208,59,59,0.12);   --badge-crit-bd: rgba(208,59,59,0.4);
  --badge-accent-fg: #5a3fd0; --badge-accent-bg: rgba(124,92,255,0.12); --badge-accent-bd: rgba(124,92,255,0.4);
}

html[data-theme="dark"] {
  --bg: #0c0f17;
  --bg-glow-1: rgba(124, 92, 255, 0.16);
  --bg-glow-2: rgba(0, 212, 255, 0.10);
  --surface: #171b26;
  --surface-2: #1d2231;
  --surface-3: #232a3c;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef1f8;
  --text-2: #a9afc3;
  --muted: #7d8296;
  --accent: #7c5cff;
  --accent-2: #00d4ff;

  --series-1: #3987e5;
  --series-2: #199e70;
  --series-3: #c98500;
  --series-4: #008300;
  --series-5: #9085e9;
  --series-6: #e66767;
  --series-7: #d55181;
  --series-8: #d95926;
  --line-fill: rgba(57, 135, 229, 0.30);

  --grid-line: rgba(255, 255, 255, 0.06);
  --shadow: 0 10px 34px rgba(0, 0, 0, 0.45);
  --shadow-pop: 0 18px 50px rgba(0, 0, 0, 0.6);

  --badge-good-fg: #7be27b;   --badge-good-bg: rgba(12,163,12,0.13);
  --badge-warn-fg: #ffd166;   --badge-warn-bg: rgba(250,178,25,0.10);
  --badge-serious-fg: #ffb08e; --badge-serious-bg: rgba(236,131,90,0.12);
  --badge-crit-fg: #ff8f8f;   --badge-crit-bg: rgba(208,59,59,0.14);
  --badge-accent-fg: #c9b8ff; --badge-accent-bg: rgba(124,92,255,0.14);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(700px 460px at 8% -8%, var(--bg-glow-1), transparent 60%),
    radial-gradient(640px 420px at 100% 0%, var(--bg-glow-2), transparent 60%);
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 6px; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 26px; }
h2 { font-size: 19px; }
h3 { font-size: 16px; }
p { margin: 0 0 10px; }
::selection { background: rgba(124, 92, 255, 0.35); }

/* ---------------- app shell ---------------- */

.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 244px; flex: 0 0 244px;
  padding: 22px 16px;
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  backdrop-filter: blur(14px);
  display: flex; flex-direction: column; gap: 4px;
  position: sticky; top: 0; height: 100vh;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; margin: 2px 6px 22px;
}
.logo .mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--grad);
  display: grid; place-items: center;
  font-size: 17px; color: #fff;
  box-shadow: 0 4px 18px rgba(124, 92, 255, 0.4);
}
.logo small { display: block; font-size: 10.5px; font-weight: 500; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }

.nav-label { margin: 14px 10px 4px; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); }
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: var(--text-2); font-weight: 500;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-item.active { background: linear-gradient(90deg, rgba(124, 92, 255, 0.22), rgba(0, 183, 212, 0.10)); color: var(--text); box-shadow: inset 0 0 0 1px rgba(124, 92, 255, 0.35); }
.nav-item .ico { width: 20px; text-align: center; }

/* profile card + dropdown */
.me-wrap { margin-top: auto; position: relative; }
.me {
  width: 100%; padding: 12px; cursor: pointer;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface);
  display: flex; align-items: center; gap: 10px;
  font: inherit; color: var(--text); text-align: left;
}
.me:hover { background: var(--surface-2); }
.me .who { min-width: 0; flex: 1; }
.me .who b { display: block; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.me .who span { font-size: 11.5px; color: var(--muted); }
.me .chev { color: var(--muted); transition: transform 0.15s; }
.me-wrap.open .me .chev { transform: rotate(180deg); }

.me-menu {
  position: absolute; bottom: calc(100% + 8px); left: 0; right: 0;
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-pop);
  padding: 6px; display: none; z-index: 50;
}
.me-wrap.open .me-menu { display: block; }
.me-menu a, .me-menu button {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 11px; border-radius: 8px; border: none; background: none;
  font: inherit; font-size: 13.5px; color: var(--text); cursor: pointer; text-align: left;
}
.me-menu a:hover, .me-menu button:hover { background: var(--surface-2); text-decoration: none; }
.me-menu .sep { height: 1px; background: var(--border); margin: 5px 4px; }

.main { flex: 1; min-width: 0; padding: 26px 30px 60px; max-width: 1300px; }

.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.topbar .sub { color: var(--text-2); font-size: 14px; }

/* ---------------- primitives ---------------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card h2 { margin-bottom: 12px; }
.card .card-sub { color: var(--muted); font-size: 13px; margin: -6px 0 14px; }

/* consistent vertical rhythm between stacked blocks (fixes gap bugs) */
.card + .card, .card + .grid, .grid + .card, .grid + .grid,
.tiles + .card, .tiles + .grid, .card + .tiles, .grid + .tiles,
.chart-card + .chart-card { margin-top: 20px; }

.grid { display: grid; gap: 20px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 12px; border: 1px solid var(--border-strong);
  background: var(--surface-2); color: var(--text);
  font: inherit; font-weight: 600; font-size: 14px;
  cursor: pointer; transition: transform 0.06s ease, box-shadow 0.2s, background 0.2s;
}
.btn:hover { background: var(--surface-3); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--grad); border: none; color: #fff; box-shadow: 0 6px 22px rgba(124, 92, 255, 0.35); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 12px; font-size: 13px; border-radius: 9px; }
.btn.danger { color: #fff; background: var(--critical); border-color: transparent; }
.btn.danger:hover { filter: brightness(1.06); background: var(--critical); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

input[type="text"], input[type="email"], input[type="password"], input[type="date"],
input[type="time"], input[type="number"], select, textarea {
  width: 100%; padding: 11px 14px;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 12px;
  font: inherit; font-size: 14px;
  outline: none; transition: border 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.2); }
textarea { min-height: 200px; resize: vertical; line-height: 1.6; }
label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-2); margin: 0 0 6px 2px; }
.field { margin-bottom: 14px; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  border: 1px solid var(--border-strong);
  background: var(--surface-2); color: var(--text-2);
  white-space: nowrap;
}
.badge.good { color: var(--badge-good-fg); border-color: var(--badge-good-bd); background: var(--badge-good-bg); }
.badge.warn { color: var(--badge-warn-fg); border-color: var(--badge-warn-bd); background: var(--badge-warn-bg); }
.badge.serious { color: var(--badge-serious-fg); border-color: var(--badge-serious-bd); background: var(--badge-serious-bg); }
.badge.crit { color: var(--badge-crit-fg); border-color: var(--badge-crit-bd); background: var(--badge-crit-bg); }
.badge.accent { color: var(--badge-accent-fg); border-color: var(--badge-accent-bd); background: var(--badge-accent-bg); }

.avatar {
  width: 36px; height: 36px; flex: 0 0 36px; border-radius: 50%;
  display: inline-grid; place-items: center;
  font-size: 13px; font-weight: 700; color: #fff;
}
.avatar.lg { width: 52px; height: 52px; flex-basis: 52px; font-size: 18px; }

.flash {
  padding: 12px 16px; border-radius: 12px; margin-bottom: 18px;
  border: 1px solid var(--badge-good-bd); background: var(--badge-good-bg); color: var(--badge-good-fg);
  font-weight: 500; font-size: 14px;
}
.flash.error { border-color: var(--badge-crit-bd); background: var(--badge-crit-bg); color: var(--badge-crit-fg); }

/* ---------------- stat tiles ---------------- */

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr)); gap: 16px; }
.tile {
  background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.tile .k { font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.tile .v { font-size: 28px; font-weight: 700; margin-top: 4px; letter-spacing: -0.02em; }
.tile .v small { font-size: 14px; font-weight: 500; color: var(--text-2); }
.tile .d { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------------- score ring ---------------- */

.ring { position: relative; width: 118px; height: 118px; flex: 0 0 118px; }
.ring svg { transform: rotate(-90deg); }
.ring .val { position: absolute; inset: 0; display: grid; place-items: center; }
.ring .val b { font-size: 30px; letter-spacing: -0.02em; }
.ring .val span { display: block; text-align: center; font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.ring circle.track { stroke: var(--surface-3); }

/* ---------------- tables ---------------- */

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th {
  text-align: left; padding: 9px 12px;
  color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}
table.data td { padding: 11px 12px; border-bottom: 1px solid var(--grid-line); vertical-align: middle; }
table.data tr:last-child td { border-bottom: none; }
table.data tr.rowlink { cursor: pointer; }
table.data tr.rowlink:hover td { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------------- charts ---------------- */

.chart-box { position: relative; height: 280px; }
.chart-box.tall { height: 320px; }
.chart-box.short { height: 220px; }

/* ---------------- period switcher + date range ---------------- */

.rangebar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.seg {
  display: inline-flex; padding: 4px; gap: 2px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px;
}
.seg a, .seg button {
  padding: 6px 14px; border-radius: 9px; border: none; background: none;
  color: var(--text-2); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
}
.seg a:hover, .seg button:hover { color: var(--text); text-decoration: none; }
.seg a.active, .seg button.active { background: var(--grad); color: #fff; }

.range-pop {
  position: relative; display: inline-block;
}
.range-pop > .btn.sm { }
.range-menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 40;
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-pop);
  padding: 14px; width: 260px; display: none;
}
.range-pop.open .range-menu { display: block; }
.range-menu .field { margin-bottom: 10px; }

/* ---------------- analysis blocks ---------------- */

.analysis-head { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.analysis-head .sumtext { flex: 1; min-width: 260px; color: var(--text); font-size: 15px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

ul.points { margin: 8px 0 0; padding: 0; list-style: none; }
ul.points li {
  padding: 10px 14px; margin-bottom: 8px;
  border-radius: var(--radius-sm); font-size: 14px;
  border: 1px solid var(--border);
}
ul.points.up li { background: var(--badge-good-bg); border-color: var(--badge-good-bd); }
ul.points.down li { background: var(--badge-warn-bg); border-color: var(--badge-warn-bd); }

.version-tabs { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.note-block {
  border-left: 3px solid var(--accent);
  background: var(--badge-accent-bg);
  padding: 10px 14px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px; color: var(--text-2); margin-bottom: 14px;
}
.note-block b { color: var(--text); }

.locked-banner {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px; margin-bottom: 16px;
  border-radius: var(--radius-sm);
  background: var(--badge-accent-bg); border: 1px solid var(--badge-accent-bd);
  color: var(--badge-accent-fg); font-size: 13.5px; font-weight: 500;
}

/* ---------------- login ---------------- */

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 420px; padding: 36px 34px; }
.login-card .logo { justify-content: center; margin-bottom: 8px; }
.login-hero { text-align: center; margin-bottom: 26px; }
.login-hero p { color: var(--text-2); font-size: 14px; }

/* ---------------- hike ---------------- */

.hike-band { font-size: 40px; font-weight: 700; letter-spacing: -0.02em; }
.hike-band small { font-size: 15px; color: var(--text-2); font-weight: 500; }
.rating-pill { font-size: 13px; padding: 5px 14px; }
.hike-compare { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.hike-compare .cell { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; text-align: center; }
.hike-compare .cell .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.hike-compare .cell .num { font-size: 22px; font-weight: 700; margin-top: 4px; }

/* ---------------- misc ---------------- */

.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mt { margin-top: 16px; }
.mb0 { margin-bottom: 0; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.spin {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff;
  animation: spin 0.8s linear infinite; display: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
.working .spin { display: inline-block; }
.working { pointer-events: none; opacity: 0.75; }

details.editrow summary { cursor: pointer; color: var(--accent-2); font-size: 13px; font-weight: 600; }
dialog::backdrop { background: rgba(5, 6, 10, 0.55); backdrop-filter: blur(3px); }
dialog {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 24px; max-width: 560px; width: 92%; box-shadow: var(--shadow-pop);
}

.filterbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.filterbar .field { margin: 0; min-width: 150px; }
.filterbar label { margin-bottom: 4px; }

/* ---------------- responsive ---------------- */

@media (max-width: 1080px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hike-compare { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .shell { flex-direction: column; }
  .sidebar {
    position: static; width: 100%; height: auto; flex-direction: row; align-items: center;
    flex-wrap: wrap; gap: 6px; padding: 12px 14px;
    border-right: none; border-bottom: 1px solid var(--border);
  }
  .logo { margin: 0 12px 0 0; }
  .nav-label { display: none; }
  .me-wrap { margin: 0 0 0 auto; width: auto; }
  .me .who { display: none; }
  .me-menu { left: auto; right: 0; width: 200px; }
  .nav-item { padding: 7px 11px; font-size: 13.5px; }
  .main { padding: 18px 16px 50px; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
}