/* ═══════════════════════════════════════════════════════════
   songyang-roads — ทะเบียนทางหลวงท้องถิ่น อบต.สงยาง
   Design system. Light body + dark topbar + safety-orange accent
   (echo เส้นสายทางสีส้มบนแผนที่ดาวเทียม).
   ═══════════════════════════════════════════════════════════ */
:root {
  --orange: #ff6a00;
  --orange-d: #e85d00;
  --orange-soft: #fff1e6;
  --slate-900: #0f1620;
  --slate-800: #1a2533;
  --slate-700: #2b3a4d;
  --slate-500: #5b6b7e;
  --slate-400: #8493a3;
  --slate-200: #e3e8ee;
  --slate-100: #f1f4f8;
  --bg: #f6f8fb;
  --card: #ffffff;
  --ink: #18222e;
  --muted: #6b7a8b;
  --line: #e6ebf1;
  --ok: #16a34a;
  --ok-soft: #e7f7ed;
  --warn: #d97706;
  --warn-soft: #fdf3e3;
  --idle: #64748b;
  --idle-soft: #eef1f5;
  --r: 14px;
  --r-sm: 10px;
  --shadow: 0 1px 2px rgba(16,22,32,.04), 0 8px 24px rgba(16,22,32,.06);
  --shadow-lg: 0 12px 40px rgba(16,22,32,.14);
  --ff: 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--ff);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
svg.ic { width: 1em; height: 1em; vertical-align: -0.14em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ── Topbar ── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: linear-gradient(120deg, var(--slate-900), var(--slate-800));
  color: #fff;
  display: flex; align-items: center; gap: 22px;
  padding: 0 24px; height: 62px;
  box-shadow: 0 2px 14px rgba(15,22,32,.25);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand .logo {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--orange), #ff9248);
  display: grid; place-items: center; color: #fff; font-size: 1.15rem;
  box-shadow: 0 4px 14px rgba(255,106,0,.4);
}
.brand .t { display: flex; flex-direction: column; line-height: 1.15; }
.brand .t b { font-size: 1.02rem; letter-spacing: .2px; }
.brand .t span { font-size: .72rem; color: var(--slate-400); font-weight: 500; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav-link {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 15px; border-radius: 10px; cursor: pointer;
  color: var(--slate-400); font-weight: 600; font-size: .9rem;
  transition: background .18s, color .18s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.07); }
.nav-link.active { color: #fff; background: rgba(255,106,0,.18); box-shadow: inset 0 0 0 1px rgba(255,106,0,.35); }
.topbar-spacer { flex: 1; }
.topbar-search {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: 11px; padding: 8px 13px; width: 290px;
  color: var(--slate-400); transition: border .18s, background .18s;
}
.topbar-search:focus-within { background: rgba(255,255,255,.14); border-color: rgba(255,106,0,.5); }
.topbar-search input {
  background: none; border: none; outline: none; color: #fff;
  font-family: inherit; font-size: .92rem; width: 100%;
}
.topbar-search input::placeholder { color: var(--slate-400); }

/* ── Layout ── */
.wrap { max-width: 1240px; margin: 0 auto; padding: 26px 24px 80px; }
.view { display: none; animation: viewIn .38s cubic-bezier(.22,.61,.36,1); }
.view.active { display: block; }
@keyframes viewIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 18px; gap: 16px; flex-wrap: wrap; }
.page-head h1 { font-size: 1.5rem; margin: 0; letter-spacing: -.3px; }
.page-head .sub { color: var(--muted); font-size: .9rem; margin-top: 2px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 11px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  font-weight: 600; font-size: .9rem; transition: all .16s; white-space: nowrap;
}
.btn:hover { border-color: var(--slate-400); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: var(--orange); border-color: var(--orange); color: #fff; box-shadow: 0 4px 14px rgba(255,106,0,.32); }
.btn-primary:hover { background: var(--orange-d); border-color: var(--orange-d); box-shadow: 0 6px 20px rgba(255,106,0,.42); }
.btn-ghost { background: transparent; border-color: transparent; }

/* ── List toolbar + filters ── */
.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.count-pill { background: var(--orange-soft); color: var(--orange-d); font-weight: 700; padding: 6px 13px; border-radius: 999px; font-size: .85rem; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 6px 13px; border-radius: 999px; cursor: pointer; font-size: .84rem; font-weight: 600;
  border: 1px solid var(--line); background: var(--card); color: var(--muted); transition: all .15s;
}
.chip:hover { border-color: var(--slate-400); color: var(--ink); }
.chip.active { background: var(--slate-900); color: #fff; border-color: var(--slate-900); }
select.chip { appearance: none; padding-right: 30px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7a8b' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 11px center; }

/* ── Table ── */
.table-wrap { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden; }
table.roads { width: 100%; border-collapse: collapse; }
table.roads th {
  text-align: left; font-size: .76rem; text-transform: uppercase; letter-spacing: .4px;
  color: var(--slate-400); font-weight: 700; padding: 14px 16px; background: var(--slate-100);
  border-bottom: 1px solid var(--line); cursor: pointer; user-select: none; white-space: nowrap;
}
table.roads th:hover { color: var(--ink); }
table.roads th .arr { opacity: .4; font-size: .7rem; }
table.roads th.sorted .arr { opacity: 1; color: var(--orange); }
table.roads td { padding: 13px 16px; border-bottom: 1px solid var(--line); font-size: .92rem; vertical-align: middle; }
table.roads tbody tr { cursor: pointer; transition: background .14s; }
table.roads tbody tr:hover { background: var(--orange-soft); }
table.roads tbody tr:last-child td { border-bottom: none; }
.code-cell { font-weight: 700; color: var(--slate-700); white-space: nowrap; font-variant-numeric: tabular-nums; }
.name-cell { max-width: 460px; }
.name-cell .nm { display: block; line-height: 1.35; }
.km { font-variant-numeric: tabular-nums; font-weight: 600; }
.row-anim { animation: fadeUp .4s both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.idle { background: var(--idle-soft); color: var(--idle); }
.surf-tag { display: inline-block; padding: 3px 9px; border-radius: 7px; background: var(--slate-100); color: var(--slate-700); font-size: .8rem; font-weight: 600; }

.empty { text-align: center; padding: 60px 20px; color: var(--muted); }

/* ── Detail ── */
.detail-top { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.detail-card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden; }
.detail-hero { background: linear-gradient(120deg, var(--slate-900), var(--slate-700)); color: #fff; padding: 26px 28px; }
.detail-hero .code { font-size: .85rem; color: var(--orange); font-weight: 800; letter-spacing: .5px; }
.detail-hero h2 { margin: 6px 0 12px; font-size: 1.5rem; line-height: 1.3; }
.detail-hero .hero-meta { display: flex; gap: 18px; flex-wrap: wrap; color: var(--slate-400); font-size: .9rem; }
.detail-hero .hero-meta b { color: #fff; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px,1fr)); gap: 1px; background: var(--line); }
.fact { background: var(--card); padding: 16px 18px; }
.fact .k { font-size: .76rem; color: var(--slate-400); text-transform: uppercase; letter-spacing: .3px; font-weight: 700; margin-bottom: 5px; }
.fact .v { font-size: 1.05rem; font-weight: 600; }
.section { padding: 20px 24px; border-top: 1px solid var(--line); }
.section h3 { margin: 0 0 14px; font-size: 1rem; display: flex; align-items: center; gap: 8px; }
.map-ph, .photo-ph {
  border: 2px dashed var(--slate-200); border-radius: var(--r-sm); padding: 40px 20px;
  text-align: center; color: var(--muted); background: var(--slate-100);
}
.map-ph .big { font-size: 2rem; color: var(--slate-400); margin-bottom: 8px; }

/* ── Dashboard ── */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px,1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 20px 22px; position: relative; overflow: hidden; animation: fadeUp .5s both; }
.stat-card .ic-badge { position: absolute; top: 18px; right: 18px; width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; font-size: 1.1rem; }
.stat-card .label { color: var(--muted); font-size: .85rem; font-weight: 600; }
.stat-card .num { font-size: 2.1rem; font-weight: 800; letter-spacing: -1px; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat-card .unit { font-size: .9rem; color: var(--muted); font-weight: 600; margin-left: 4px; }
.stat-card .foot { font-size: .82rem; color: var(--muted); margin-top: 6px; }
.bar-mini { height: 6px; border-radius: 4px; background: var(--slate-100); margin-top: 10px; overflow: hidden; }
.bar-mini > i { display: block; height: 100%; background: linear-gradient(90deg, var(--orange), #ff9248); border-radius: 4px; width: 0; transition: width 1s cubic-bezier(.22,.61,.36,1); }
.c-orange { background: var(--orange-soft); color: var(--orange-d); }
.c-green { background: var(--ok-soft); color: var(--ok); }
.c-blue { background: #e6f0ff; color: #2563eb; }
.c-slate { background: var(--slate-100); color: var(--slate-700); }

.charts { display: grid; grid-template-columns: 1fr 1.4fr; gap: 16px; }
@media (max-width: 900px) { .charts { grid-template-columns: 1fr; } }
.chart-card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 22px 24px; animation: fadeUp .6s both; }
.chart-card h3 { margin: 0 0 18px; font-size: 1rem; }
.donut-wrap { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.donut { --p: 0; }
.legend { display: flex; flex-direction: column; gap: 9px; flex: 1; min-width: 160px; }
.legend .li { display: flex; align-items: center; gap: 9px; font-size: .88rem; }
.legend .sw { width: 12px; height: 12px; border-radius: 4px; flex-shrink: 0; }
.legend .li .val { margin-left: auto; font-weight: 700; font-variant-numeric: tabular-nums; }
.bars { display: flex; flex-direction: column; gap: 12px; }
.bars .b { display: grid; grid-template-columns: 120px 1fr 50px; align-items: center; gap: 12px; font-size: .88rem; }
.bars .b .track { height: 22px; background: var(--slate-100); border-radius: 7px; overflow: hidden; }
.bars .b .fill { height: 100%; background: linear-gradient(90deg, var(--orange), #ffa05a); border-radius: 7px; width: 0; transition: width .9s cubic-bezier(.22,.61,.36,1); }
.bars .b .n { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.bars .b .lbl { color: var(--slate-700); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Splash ── */
#splash { position: fixed; inset: 0; z-index: 9999; background: var(--slate-900); display: grid; place-items: center; transition: opacity .4s; }
#splash.out { opacity: 0; pointer-events: none; }
#splash .s-logo { width: 76px; height: 76px; border-radius: 20px; background: linear-gradient(135deg, var(--orange), #ff9248); display: grid; place-items: center; color: #fff; font-size: 2rem; animation: float 1.8s ease-in-out infinite; box-shadow: 0 10px 40px rgba(255,106,0,.5); }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

.skeleton { background: linear-gradient(90deg, var(--slate-100) 25%, #e9eef4 37%, var(--slate-100) 63%); background-size: 400% 100%; animation: sk 1.3s infinite; border-radius: 8px; }
@keyframes sk { from { background-position: 100% 0; } to { background-position: -100% 0; } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}