:root {
  --bg: #f4f7f8;
  --surface: #ffffff;
  --surface-2: #eef3f5;
  --border: #d9e2e6;
  --text: #0f2530;
  --muted: #5b7380;
  --accent: #0e7490;
  --accent-2: #0891b2;
  --accent-soft: #e0f2f6;
  --great: #15803d;
  --good: #65a30d;
  --fair: #ca8a04;
  --poor: #dc2626;
  --great-bg: #dcfce7;
  --good-bg: #ecfccb;
  --fair-bg: #fef9c3;
  --poor-bg: #fee2e2;
  --tide: #2563eb;
  --sun: #f59e0b;
  --shadow: 0 1px 2px rgba(15, 37, 48, .06), 0 4px 16px rgba(15, 37, 48, .06);
  --radius: 14px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0b161c;
  --surface: #11212a;
  --surface-2: #172b35;
  --border: #23404d;
  --text: #e3eef2;
  --muted: #8ea7b3;
  --accent: #22a6c3;
  --accent-2: #38bdf8;
  --accent-soft: #123845;
  --great: #4ade80;
  --good: #a3e635;
  --fair: #facc15;
  --poor: #f87171;
  --great-bg: #12341f;
  --good-bg: #26330f;
  --fair-bg: #3a320c;
  --poor-bg: #3d1616;
  --tide: #60a5fa;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text);
  font-size: 15px; line-height: 1.5;
}
a { color: var(--accent); }
h1, h2, h3 { font-family: Fraunces, Georgia, serif; line-height: 1.2; margin: 0 0 .4em; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.1rem; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.hidden { display: none !important; }

/* ---------- Top bar ---------- */
.topbar { position: sticky; top: 0; z-index: 1000; background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; gap: 14px; align-items: center; padding-top: 10px; padding-bottom: 10px; }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); font-family: Fraunces, serif; font-size: 1.35rem; white-space: nowrap; }
.brand b { color: var(--accent); }
.search { position: relative; flex: 1; display: flex; gap: 8px; max-width: 640px; }
.search input { flex: 1; min-width: 0; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); font: inherit; }
.search input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.suggest { position: absolute; top: 46px; left: 0; right: 0; list-style: none; margin: 0; padding: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); z-index: 1100; }
.suggest li { padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.suggest li:hover, .suggest li.active { background: var(--accent-soft); }

.btn { font: inherit; font-weight: 600; border-radius: 10px; padding: 9px 14px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; white-space: nowrap; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.small { padding: 6px 10px; font-size: .85rem; }
.icon-btn { padding: 9px 10px; }

.tabs { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; padding-bottom: 0; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { font: inherit; font-weight: 600; font-size: .9rem; color: var(--muted); background: none; border: none; padding: 10px 12px; border-bottom: 3px solid transparent; cursor: pointer; white-space: nowrap; }
.tabs button:hover { color: var(--text); }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }
.tabs.disabled button:not(.always) { opacity: .45; pointer-events: none; }

.locbar { background: linear-gradient(120deg, var(--accent), #155e75); color: #fff; }
.locbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.locbar h1 { font-size: 1.6rem; margin: 0; }
.locbar .muted { color: rgba(255,255,255,.8); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600; background: var(--accent-soft); color: var(--accent); }
.locbar .chip { background: rgba(255,255,255,.16); color: #fff; }

main { padding-top: 20px; padding-bottom: 40px; min-height: 60vh; }

/* ---------- Landing ---------- */
.hero { padding: 40px 0 24px; max-width: 760px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
.hero p { font-size: 1.1rem; color: var(--muted); }
.quick { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-top: 18px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.feature p { margin: 0; color: var(--muted); }

/* ---------- Cards & layout ---------- */
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); min-width: 0; }
.card h3 { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.section { margin-top: 22px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.panel-head h2 { margin: 0; }
.loading { color: var(--muted); padding: 18px; text-align: center; }
.loading::before { content: ""; display: inline-block; width: 14px; height: 14px; margin-right: 8px; vertical-align: -2px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.note { background: var(--surface-2); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 8px; font-size: .9rem; }
.warn { border-left-color: var(--fair); }

/* Score hero */
.score-hero { display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: center; }
.gauge { position: relative; width: 200px; height: 200px; margin: 0 auto; }
.gauge svg { width: 100%; height: 100%; }
.gauge .val { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.gauge .num { font-family: Fraunces, serif; font-size: 3rem; font-weight: 700; line-height: 1; }
.gauge .lbl { font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; }
.windows { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 10px; }
.win { padding: 10px 12px; border-radius: 10px; }
.win.best { background: var(--great-bg); }
.win.worst { background: var(--poor-bg); }
.win ul { margin: 4px 0 0; padding-left: 18px; }

.rating { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: .78rem; font-weight: 700; }
.r-great { background: var(--great-bg); color: var(--great); }
.r-good { background: var(--good-bg); color: var(--good); }
.r-fair { background: var(--fair-bg); color: var(--fair); }
.r-poor { background: var(--poor-bg); color: var(--poor); }
:root:not([data-theme="dark"]) .r-good { color: #3f6212; }
:root:not([data-theme="dark"]) .r-fair { color: #854d0e; }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.stat { background: var(--surface-2); border-radius: 10px; padding: 10px 12px; }
.stat .k { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.stat .v { font-size: 1.25rem; font-weight: 700; }
.stat .s { font-size: .8rem; color: var(--muted); }

/* species */
.sp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.sp-card { cursor: pointer; transition: transform .12s, border-color .12s; display: flex; flex-direction: column; gap: 6px; }
.sp-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.sp-card h4 { margin: 0; font-size: 1.02rem; }
.sp-card .row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.sp-card p { margin: 0; font-size: .88rem; color: var(--muted); }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 2px 7px; border-radius: 5px; background: var(--surface-2); color: var(--muted); }
.tag.salt { background: #dbeafe; color: #1d4ed8; }
.tag.fresh { background: #d1fae5; color: #047857; }
:root[data-theme="dark"] .tag.salt { background: #172554; color: #93c5fd; }
:root[data-theme="dark"] .tag.fresh { background: #052e1f; color: #6ee7b7; }
.months { display: grid; grid-template-columns: repeat(12, 1fr); gap: 2px; }
.months span { height: 14px; border-radius: 3px; background: var(--surface-2); }
.months span.m1 { background: color-mix(in srgb, var(--accent) 30%, var(--surface-2)); }
.months span.m2 { background: color-mix(in srgb, var(--accent) 62%, var(--surface-2)); }
.months span.m3 { background: var(--accent); }
.months span.now { outline: 2px solid var(--sun); outline-offset: 1px; }
.month-labels { display: grid; grid-template-columns: repeat(12, 1fr); font-size: .65rem; color: var(--muted); text-align: center; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.filters input, .filters select, .form input, .form select, .form textarea {
  font: inherit; padding: 8px 12px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.seg { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; flex-wrap: wrap; }
.seg button { font: inherit; font-size: .85rem; font-weight: 600; border: none; background: none; color: var(--muted); padding: 6px 12px; border-radius: 8px; cursor: pointer; }
.seg button.active { background: var(--surface); color: var(--accent); box-shadow: var(--shadow); }

/* lists */
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.list li:last-child { border-bottom: none; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; font-size: .92rem; }
.kv dt { color: var(--muted); font-weight: 600; }
.kv dd { margin: 0; }
.pill-list { display: flex; flex-wrap: wrap; gap: 6px; }
.pill-list span { background: var(--surface-2); border-radius: 999px; padding: 3px 10px; font-size: .85rem; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }

/* charts */
.chart { width: 100%; overflow-x: auto; }
.chart svg { display: block; width: 100%; min-width: 640px; height: auto; }
.chart text { fill: var(--muted); font-size: 11px; font-family: Inter, sans-serif; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .8rem; color: var(--muted); margin-top: 6px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -2px; }

.daycards { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.daycard { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px; cursor: pointer; text-align: center; }
.daycard.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.daycard .d { font-weight: 700; }
.daycard .big { font-size: 1.6rem; font-weight: 700; font-family: Fraunces, serif; }

/* calendar */
.cal { display: grid; grid-template-columns: repeat(7, minmax(0,1fr)); gap: 6px; }
.cal .h { text-align: center; font-size: .75rem; font-weight: 700; color: var(--muted); text-transform: uppercase; }
.cal .c { border-radius: 10px; padding: 8px; min-height: 84px; border: 1px solid var(--border); background: var(--surface); display: flex; flex-direction: column; gap: 2px; cursor: pointer; }
.cal .c.empty { background: transparent; border: none; cursor: default; }
.cal .c .n { font-weight: 700; display: flex; justify-content: space-between; }
.cal .c .sc { font-size: 1.2rem; font-weight: 700; font-family: Fraunces, serif; }
.cal .c.great { background: var(--great-bg); }
.cal .c.good { background: var(--good-bg); }
.cal .c.fair { background: var(--fair-bg); }
.cal .c.poor { background: var(--poor-bg); }
.cal .c.today { outline: 2px solid var(--accent); }

/* map */
.map-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 14px; }
.map { height: 560px; border-radius: var(--radius); border: 1px solid var(--border); z-index: 1; }
.map-list { height: 560px; overflow-y: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 6px 14px; }
.spot { padding: 10px 0; border-bottom: 1px solid var(--border); cursor: pointer; }
.spot:last-child { border-bottom: none; }
.spot .t { font-weight: 600; display: flex; justify-content: space-between; gap: 8px; }
.spot .m { font-size: .82rem; color: var(--muted); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.leaflet-popup-content { font-family: Inter, sans-serif; }

/* cams */
.cam-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.cam { display: block; text-decoration: none; color: var(--text); }
.cam:hover { border-color: var(--accent); }
.cam p { margin: 4px 0 0; color: var(--muted); font-size: .88rem; }
.embed { width: 100%; height: 460px; border: 0; border-radius: var(--radius); }

/* accordions */
details { border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; background: var(--surface); margin-bottom: 8px; }
details summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 6px; }
details ol { margin: 6px 0 0; padding-left: 20px; }

/* checklist */
.check { display: flex; gap: 8px; align-items: flex-start; padding: 5px 0; }
.check input { margin-top: 4px; accent-color: var(--accent); }

/* form */
.form { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: .8rem; font-weight: 600; color: var(--muted); }
.form .full { grid-column: 1 / -1; }

/* modal */
dialog { border: none; border-radius: 16px; padding: 0; max-width: 760px; width: calc(100% - 32px); background: var(--surface); color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.35); }
dialog::backdrop { background: rgba(5, 20, 28, .55); }
#modalBody { padding: 24px; max-height: 85vh; overflow-y: auto; }
.modal-close { position: absolute; top: 10px; right: 10px; }

.footer { border-top: 1px solid var(--border); padding: 24px 0; background: var(--surface); }
.footer p { margin: 4px 0; }

@media (max-width: 900px) {
  .g3, .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .map-layout { grid-template-columns: 1fr; }
  .map { height: 380px; }
  .map-list { height: auto; max-height: 480px; }
  .score-hero { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .topbar-inner { flex-wrap: wrap; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .search .btn.primary { display: none; }
  .brand { flex: 1; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .windows { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
  .cal .c { min-height: 64px; padding: 5px; font-size: .8rem; }
  .cal .c .sc { font-size: 1rem; }
  .cal .c .x { display: none; }
}