/* ===== แดชบอร์ดแม่น้ำกก: โลกไม้วัดระดับน้ำ (home.css) + ส่วนที่หน้าทำงานต้องใช้ =====
   ไล่สีตะกอน 5 ขั้นใช้กับค่าความเข้มข้นเท่านั้น สีสถานะยังสงวนไว้ให้คำตอบ */
.river {
    --r-ramp-1: #efe3cc;
    --r-ramp-2: #d6b98a;
    --r-ramp-3: #b08754;
    --r-ramp-4: #82592e;
    --r-ramp-5: #4f3318;
}

/* ไม้วัด 5 ขีด: ไม่มีเส้นแบ่งช่วงแบบหน้าแรก */
.river .gauge-marks li:nth-child(3), .river .gauge-marks li:nth-child(6) { border-top: 0; }

.r-hero { padding-block: clamp(40px, 5vw, 72px) clamp(28px, 3vw, 40px); border-bottom: 1px solid rgba(20, 24, 31, .16); }
.r-hero h1 { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.25; color: var(--g-navy); margin: 0 0 .25em; }
.r-note { margin: 16px 0 0; padding: 10px 14px; max-width: 72ch; background: var(--g-paper); border: 2px solid var(--g-ink); font-size: .95rem; }
.r-note b { font-family: var(--g-display); }

.r-part { padding-block: clamp(48px, 6vw, 88px); border-bottom: 1px solid rgba(20, 24, 31, .16); }
.r-part.g-water { border-bottom: 0; }
.g-wrap-wide { max-width: 1320px; }

/* ----- ตัวควบคุม ----- */
.r-controls { display: flex; flex-wrap: wrap; align-items: end; gap: 16px 24px; margin-bottom: 18px; }
.r-field { display: grid; gap: 4px; font-family: var(--g-display); font-weight: 600; font-size: .95rem; }
.r-field select {
    min-height: 48px; min-width: 240px; padding: 8px 12px; font: 500 1rem/1.3 var(--g-body);
    color: var(--g-ink); background: var(--g-paper); border: 2px solid var(--g-ink); border-radius: 0;
}
.r-time { display: flex; flex: 1 1 420px; align-items: center; gap: 14px; min-width: 0; }
.r-play { min-height: 48px; min-width: 88px; }
.r-play[aria-pressed="true"] { background: var(--g-navy); color: #fff; }
.r-time input[type=range] { flex: 1; min-width: 120px; accent-color: var(--g-navy); height: 32px; }
.r-time-label { font-family: var(--g-display); font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ----- แผนที่ + คำตอบ ----- */
.r-dash { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); gap: 0 clamp(20px, 3vw, 40px); align-items: start; }
#map { height: 500px; border: 2px solid var(--g-ink); border-radius: 0; background: var(--g-paper); }
.river .leaflet-container { font-family: var(--g-body); }
.river .leaflet-tooltip { border-radius: 0; border: 2px solid var(--g-ink); box-shadow: none; font-size: .92rem; color: var(--g-ink); }
.river .leaflet-control-zoom a { border-radius: 0 !important; color: var(--g-ink); }
.river .leaflet-bar { border: 2px solid var(--g-ink); border-radius: 0; box-shadow: none; }

.map-sensor { width: 16px; height: 16px; background: var(--g-navy); border: 3px solid var(--g-paper); outline: 2px solid var(--g-navy); }
.map-weir { width: 18px; height: 8px; background: var(--g-paper); border: 2px solid var(--g-ink); }

.r-legend { margin-top: 12px; }
.r-legend-bar {
    position: relative; height: 16px; border: 2px solid var(--g-ink);
    background: linear-gradient(90deg, var(--r-ramp-1), var(--r-ramp-2), var(--r-ramp-3), var(--r-ramp-4), var(--r-ramp-5));
}
.r-legend-ticks { position: absolute; inset: 0; }
.r-tick { position: absolute; top: -6px; bottom: -6px; width: 0; border-left: 3px dashed var(--g-ink); }
.r-tick span {
    position: absolute; top: -26px; left: 0; transform: translateX(-50%); white-space: nowrap;
    padding: 0 6px; font-family: var(--g-display); font-weight: 700; font-size: .92rem; background: var(--g-enamel);
}
.r-tick[data-level="warn"] span { color: var(--g-ink); box-shadow: inset 0 -4px 0 var(--g-warn); }
.r-tick[data-level="bad"] span { color: #fff; background: var(--g-bad); }
.r-legend-scale { display: flex; justify-content: space-between; gap: 12px; margin-top: 6px; font-size: .92rem; color: var(--g-ink-2); font-variant-numeric: tabular-nums; }
.r-legend-scale #legend-unit { color: var(--g-ink); font-weight: 600; text-align: center; }
.r-legend.has-ticks { padding-top: 22px; }

.r-keys { display: flex; flex-wrap: wrap; gap: 8px 20px; list-style: none; margin: 14px 0 0; padding: 0; font-size: .92rem; color: var(--g-ink-2); }
.r-keys li { display: flex; align-items: center; gap: 8px; }
.key-sensor { width: 14px; height: 14px; background: var(--g-navy); outline: 2px solid var(--g-navy); border: 2px solid var(--g-paper); }
.key-weir { width: 18px; height: 8px; border: 2px solid var(--g-ink); background: var(--g-paper); }
.key-sel { width: 18px; height: 18px; border: 3px solid var(--g-navy); border-radius: 50%; }

.r-answers h3 { font-size: 1.35rem; margin: 0 0 .2em; color: var(--g-navy); }
.r-sel-sub { margin: 0 0 14px; color: var(--g-ink-2); font-variant-numeric: tabular-nums; }
.r-plates { grid-template-columns: minmax(0, 1fr); max-width: none; margin-top: 0; }
.r-plates .plate + .plate { border-left: 0; border-top: 3px solid var(--g-ink); }
.r-plates .plate { padding: 22px 18px 14px; }
.r-plates .plate-a { font-size: clamp(1.4rem, 2.2vw, 1.8rem); }
.r-fine { margin: 12px 0 0; font-size: .92rem; color: var(--g-ink-2); }

/* ----- กราฟ ----- */
.r-chart { margin: 0; }
.r-chart-box { position: relative; height: clamp(260px, 32vw, 380px); padding: 16px 12px 8px; background: var(--g-paper); border-top: 3px solid var(--g-ink); }
.r-chart figcaption { margin-top: 10px; font-size: .92rem; color: var(--g-ink-2); }

.r-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 4vw, 56px); }
.r-two h3 { font-size: 1.35rem; color: var(--g-navy); }
.r-two > div { padding-top: 14px; border-top: 3px solid var(--g-ink); }

@media (max-width: 1100px) {
    .r-dash { grid-template-columns: minmax(0, 1fr); }
    .r-answers { margin-top: 32px; }
    .r-plates { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .r-plates .plate + .plate { border-top: 0; border-left: 3px solid var(--g-ink); }
}
@media (max-width: 900px) {
    .river .gauge-marks li:nth-child(3), .river .gauge-marks li:nth-child(6) { border-right: 1px solid rgba(20, 24, 31, .14); }
}
@media (max-width: 640px) {
    #map { height: 380px; }
    .r-field select { min-width: 0; width: 100%; }
    .r-field { width: 100%; }
    .r-time { flex-wrap: wrap; }
    .r-time-label { width: 100%; }
    .r-plates { grid-template-columns: minmax(0, 1fr); }
    .r-plates .plate + .plate { border-left: 0; border-top: 3px solid var(--g-ink); }
    .r-two { grid-template-columns: minmax(0, 1fr); }
}