/* ════════════════════════════════════════════════
   style.css — Prediksi Curah Hujan ML Dashboard
   ════════════════════════════════════════════════ */

/* ── CSS VARIABLES ──────────────────────────── */
:root {
  --sky:        #0a1628;
  --cloud:      #0e2040;
  --surface:    #111d35;
  --rain:       #1e90ff;
  --rain-light: #5bb8ff;
  --rain-dark:  #0057cc;
  --gold:       #f4c542;
  --green:      #2ecc8e;
  --orange:     #f5a623;
  --red:        #e85555;
  --purple:     #c084fc;
  --text:       #e8f4ff;
  --text-dim:   #7aa4bb;
  --text-muted: #3d5a72;
  --card:       rgba(14, 32, 64, 0.85);
  --border:     rgba(30, 144, 255, 0.18);
  --border-s:   rgba(30, 144, 255, 0.08);
}

/* ── RESET ──────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--sky);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── RAIN BACKGROUND ────────────────────────── */
.rain-bg {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.raindrop {
  position: absolute; width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(30,144,255,0.35));
  animation: fall linear infinite;
}
@keyframes fall {
  0%   { transform: translateY(-100px); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.4; }
  100% { transform: translateY(110vh); opacity: 0; }
}

/* ── NAVBAR ─────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 52px; display: flex; align-items: center; gap: 24px;
}
.nav-brand { display: flex; align-items: center; gap: 8px; }
.nav-icon  { font-size: 18px; }
.nav-title { font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--text); white-space: nowrap; }
.nav-accent { color: var(--rain-light); }

.nav-links { display: flex; gap: 0; margin-left: 16px; flex: 1; }
.nav-links .nav-link {
  padding: 0 14px; height: 52px; display: flex; align-items: center;
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-dim); text-decoration: none;
  border-bottom: 2px solid transparent; transition: all .2s;
}
.nav-links .nav-link:hover { color: var(--text); border-bottom-color: var(--border); }

.nav-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 10px; letter-spacing: 1px; white-space: nowrap;
}
.status-ok   .status-dot { width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green); }
.status-warn .status-dot { width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 6px var(--orange); }
.status-ok   { color: var(--green); }
.status-warn { color: var(--orange); }

/* ── LAYOUT ─────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.main-content { padding-bottom: 80px; }
.section { padding: 48px 0 0; }
.section-divider { border: none; border-top: 1px solid var(--border-s); margin: 0; }

/* ── HEADER ─────────────────────────────────── */
.page-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.header-tag {
  font-size: 10px; letter-spacing: 4px; color: var(--rain);
  text-transform: uppercase; margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.header-tag::before { content:''; display:block; width:24px; height:1px; background:var(--rain); }
h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(26px, 4vw, 46px); font-weight: 400; line-height: 1.15;
}
h1 em { color: var(--rain-light); font-style: italic; }
.header-meta { margin-top: 16px; display: flex; gap: 20px; flex-wrap: wrap; }
.meta-chip { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim); display: flex; align-items: center; gap: 6px; }
.meta-chip .dot { width:5px;height:5px;border-radius:50%;background:var(--rain); }

/* ── SEC HEADER ─────────────────────────────── */
.sec-header { margin-bottom: 28px; }
.sec-title { font-family: 'Instrument Serif', serif; font-size: 22px; font-weight: 400; margin-bottom: 4px; }
.sec-desc  { font-size: 11px; color: var(--text-dim); line-height: 1.8; }
.sub-heading { font-size: 13px; font-weight: 700; color: var(--rain-light); letter-spacing: 1px; margin: 32px 0 14px; }

/* ── STAT CARDS ─────────────────────────────── */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px; margin-bottom: 36px;
}
.stat-card {
  background: var(--card); border: 1px solid var(--border);
  padding: 18px; border-radius: 2px; position: relative; overflow: hidden;
}
.stat-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, var(--rain), var(--rain-light));
}
.stat-num   { font-family:'Instrument Serif',serif; font-size:28px; color:var(--rain-light); line-height:1; margin-bottom:6px; }
.stat-label { font-size:10px; letter-spacing:2px; text-transform:uppercase; color:var(--text-dim); }

/* ── STATION CHART ──────────────────────────── */
.station-chart { margin-bottom: 36px; }
.station-row   { display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.station-label { font-size:10px; width:120px; flex-shrink:0; color:var(--text-dim); }
.station-bars  { flex:1; display:flex; flex-direction:column; gap:3px; }
.station-bar-track { height:10px; background:rgba(255,255,255,0.04); border-radius:1px; overflow:hidden; }
.station-bar-fill  { height:100%; border-radius:1px; animation:growBar 1s ease forwards; }
.station-bar-fill.rain { background:var(--rain); }
.station-bar-fill.dry  { background:rgba(244,197,66,0.4); }
.station-pct   { font-size:10px; color:var(--text-dim); white-space:nowrap; }

.legend       { display:flex; gap:16px; margin-bottom:16px; }
.legend-item  { display:flex; align-items:center; gap:6px; font-size:10px; color:var(--text-dim); }
.legend-dot   { width:10px; height:10px; border-radius:1px; }

/* ── FEATURE IMPORTANCE ─────────────────────── */
.fi-chart { margin-bottom: 36px; }
.fi-row   { display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.fi-label { font-size:11px; width:160px; flex-shrink:0; color:var(--text-dim); }
.fi-track { flex:1; height:22px; background:rgba(255,255,255,0.04); border-radius:1px; overflow:hidden; }
.fi-fill  {
  height:100%; background:linear-gradient(90deg,var(--rain-dark),var(--rain-light));
  display:flex; align-items:center; padding-right:6px; justify-content:flex-end;
  font-size:10px; font-weight:700; color:var(--sky);
  animation:growBar 1.4s cubic-bezier(.4,0,.2,1) forwards;
}
@keyframes growBar { from { width:0; } }

/* ── ALGO CARDS ─────────────────────────────── */
.algo-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px; margin-bottom: 36px;
}
.algo-card {
  background: var(--card); border: 1px solid var(--border);
  padding: 20px; border-radius: 2px; position: relative;
  transition: border-color .25s, transform .2s;
}
.algo-card:hover { border-color: var(--rain); transform: translateY(-2px); }
.algo-card.best  { border-color: var(--gold); }
.algo-card.best::after  { content:'★ TERBAIK'; position:absolute; top:-1px; right:12px; font-size:9px; letter-spacing:2px; background:var(--gold); color:var(--sky); padding:3px 8px; font-weight:700; }
.algo-card.unsup { border-color: var(--purple); }

.algo-name   { font-size:12px; font-weight:700; color:var(--rain-light); margin-bottom:3px; letter-spacing:1px; }
.algo-type   { font-size:10px; color:var(--text-dim); margin-bottom:14px; }
.algo-metric { display:flex; justify-content:space-between; margin-bottom:7px; align-items:center; }
.metric-label { font-size:10px; color:var(--text-dim); text-transform:uppercase; letter-spacing:1px; }
.metric-val   { font-size:11px; color:var(--text); font-weight:700; }
.metric-val.hi  { color:var(--green); }
.metric-val.lo  { color:var(--orange); }
.metric-val.mid { color:var(--gold); }

/* ── BAR CHART ──────────────────────────────── */
.bar-chart { margin-bottom: 36px; }
.bar-row   { display:flex; align-items:center; margin-bottom:12px; gap:10px; }
.bar-algo  { font-size:10px; width:130px; flex-shrink:0; color:var(--text-dim); text-transform:uppercase; letter-spacing:1px; }
.bar-track { flex:1; height:26px; background:rgba(255,255,255,0.04); border-radius:1px; overflow:hidden; }
.bar-fill  {
  height:100%; border-radius:1px; display:flex; align-items:center;
  justify-content:flex-end; padding-right:8px;
  font-size:10px; font-weight:700; color:var(--sky);
  animation:growBar 1.2s cubic-bezier(.4,0,.2,1) forwards;
}

/* ── CONFUSION MATRIX ───────────────────────── */
.cm-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:14px; margin-bottom:36px; }
.cm-card { background:var(--card); border:1px solid var(--border); padding:16px; border-radius:2px; }
.cm-title { font-size:10px; letter-spacing:2px; text-transform:uppercase; color:var(--rain); margin-bottom:10px; }
.cm-header { display:flex; gap:3px; margin-bottom:3px; }
.cm-hcell  { flex:1; text-align:center; font-size:9px; color:var(--text-dim); letter-spacing:1px; }
.cm-matrix { display:grid; grid-template-columns:1fr 1fr; gap:3px; }
.cm-cell   { padding:10px; text-align:center; border-radius:1px; font-size:17px; font-family:'Instrument Serif',serif; }
.cm-cell .lbl { font-size:9px; color:var(--text-dim); margin-top:2px; letter-spacing:1px; display:block; }
.cm-cell.tp { background:rgba(46,204,142,0.2); color:var(--green); }
.cm-cell.fp { background:rgba(232,85,85,0.2);  color:var(--red); }
.cm-cell.fn { background:rgba(232,85,85,0.15); color:var(--orange); }
.cm-cell.tn { background:rgba(46,204,142,0.15);color:var(--green); }

/* ── ADVANCED SECTION ───────────────────────── */
.adv-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:20px; }

.reg-card  { background:var(--card); border:1px solid var(--border); padding:20px; border-radius:2px; margin-bottom:20px; }
.reg-title { font-size:10px; letter-spacing:2px; color:var(--rain); text-transform:uppercase; margin-bottom:10px; }
.reg-note  { font-size:11px; color:var(--text-dim); line-height:1.8; margin-bottom:16px; }
.reg-metrics { display:grid; grid-template-columns:repeat(auto-fit,minmax(100px,1fr)); gap:12px; }
.reg-metric  { text-align:center; }
.reg-metric-num   { font-family:'Instrument Serif',serif; font-size:26px; color:var(--gold); }
.reg-metric-label { font-size:10px; letter-spacing:1px; text-transform:uppercase; color:var(--text-dim); }

.km-card { background:var(--card); border:1px solid var(--purple); padding:20px; border-radius:2px; margin-bottom:20px; }
.km-clusters { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:16px; }
.km-cluster  { background:rgba(255,255,255,0.03); border:1px solid var(--border); padding:14px; border-radius:2px; }
.km-cluster-title { font-size:10px; letter-spacing:2px; color:var(--purple); text-transform:uppercase; margin-bottom:10px; }
.km-feat { display:flex; justify-content:space-between; margin-bottom:5px; font-size:11px; }
.km-feat-name { color:var(--text-dim); }
.km-feat-val  { color:var(--text); }

.badge-unsup { font-size:9px; letter-spacing:1px; background:var(--purple); color:var(--sky); padding:2px 8px; font-weight:700; vertical-align:middle; }

/* ── LOSS CURVE ─────────────────────────────── */
.loss-card   { background:var(--card); border:1px solid var(--border); padding:20px; border-radius:2px; margin-bottom:28px; }
.loss-title  { font-size:10px; letter-spacing:2px; text-transform:uppercase; color:var(--rain); margin-bottom:12px; }
.loss-canvas { width:100%; height:120px; display:block; }
.loss-legend { display:flex; gap:16px; margin-top:8px; font-size:10px; color:var(--text-dim); }
.ll-train::before { content:''; display:inline-block; width:12px; height:2px; background:var(--rain); vertical-align:middle; margin-right:4px; }
.ll-val::before   { content:''; display:inline-block; width:12px; height:2px; background:var(--orange); vertical-align:middle; margin-right:4px; }

/* ── COMP TABLE ─────────────────────────────── */
.tbl-scroll  { overflow-x: auto; margin-bottom: 36px; }
.comp-table, .data-table { width:100%; border-collapse:collapse; font-size:11px; }
.comp-table th, .data-table th {
  text-align:left; padding:10px 12px;
  font-size:9px; letter-spacing:2px; text-transform:uppercase;
  color:var(--text-dim); border-bottom:2px solid var(--border); font-weight:400;
}
.comp-table td, .data-table td {
  padding:11px 12px; border-bottom:1px solid rgba(255,255,255,0.04); color:var(--text-dim);
}
.comp-table tr:hover td, .data-table tr:hover td {
  background:rgba(30,144,255,0.05); color:var(--text);
}
.rank-badge { display:inline-block; width:22px; height:22px; border-radius:50%; text-align:center; line-height:22px; font-size:10px; font-weight:700; }
.rank-1 { background:var(--gold); color:var(--sky); }
.rank-2 { background:rgba(30,144,255,0.3); color:var(--rain-light); }
.rank-3 { background:rgba(46,204,142,0.25); color:var(--green); }
.rank-n { background:rgba(255,255,255,0.08); color:var(--text-dim); }

.badge { display:inline-block; padding:2px 7px; border-radius:1px; font-size:9px; letter-spacing:1px; font-weight:700; }
.badge.hujan { background:rgba(30,144,255,0.2); color:var(--rain-light); }
.badge.tidak { background:rgba(244,197,66,0.15); color:var(--gold); }

/* ── PREDIKSI ───────────────────────────────── */
.pred-layout { display:grid; grid-template-columns:1fr 1fr; gap:36px; }

.form-group  { margin-bottom:18px; }
.form-label  { font-size:10px; letter-spacing:2px; text-transform:uppercase; color:var(--text-dim); margin-bottom:6px; display:block; }
.form-input  {
  width:100%; background:rgba(255,255,255,0.05); border:1px solid var(--border);
  color:var(--text); padding:11px 14px; font-family:'Space Mono',monospace;
  font-size:13px; border-radius:2px; transition:border-color .2s; outline:none;
}
.form-input:focus { border-color:var(--rain); }
.form-hint { font-size:10px; color:var(--text-dim); margin-top:3px; }

.predict-btn {
  width:100%; padding:13px; background:var(--rain); color:white; border:none;
  font-family:'Space Mono',monospace; font-size:11px; letter-spacing:3px;
  text-transform:uppercase; cursor:pointer; border-radius:2px;
  transition:background .2s; font-weight:700; margin-top:4px;
}
.predict-btn:hover    { background:var(--rain-light); }
.predict-btn:disabled { opacity:0.6; cursor:not-allowed; }

.scenario-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-top:14px; }
.scenario-btn  {
  background:rgba(255,255,255,0.04); border:1px solid var(--border);
  color:var(--text-dim); padding:8px; font-size:10px; cursor:pointer;
  font-family:'Space Mono',monospace; border-radius:2px; transition:all .15s;
}
.scenario-btn:hover { background:rgba(255,255,255,0.08); color:var(--text); }
.scenario-btn.rain  { border-color:rgba(30,144,255,0.3); }
.scenario-btn.dry   { border-color:rgba(244,197,66,0.3); }
.scenario-btn.light { border-color:rgba(46,204,142,0.3); }
.scenario-btn.heavy { border-color:rgba(232,85,85,0.3); }

.result-panel { background:var(--card); border:1px solid var(--border); border-radius:2px; padding:24px; }
.result-label { font-size:10px; letter-spacing:3px; text-transform:uppercase; color:var(--text-dim); margin-bottom:16px; }
.result-placeholder { color:var(--text-dim); font-size:11px; text-align:center; padding:40px 0; letter-spacing:2px; line-height:2; }

.result-main { text-align:center; padding:24px 0; }
.result-icon    { font-size:52px; margin-bottom:12px; line-height:1; }
.result-verdict { font-family:'Instrument Serif',serif; font-size:26px; margin-bottom:6px; }
.result-verdict.hujan { color:var(--rain-light); }
.result-verdict.tidak { color:var(--gold); }
.result-sub     { font-size:10px; color:var(--text-dim); letter-spacing:2px; text-transform:uppercase; }

.result-subtitle   { font-size:10px; letter-spacing:2px; color:var(--text-dim); margin-bottom:10px; text-transform:uppercase; }
.result-algo-grid  { display:grid; grid-template-columns:1fr 1fr; gap:6px; }
.result-algo-item  { background:rgba(255,255,255,0.04); padding:8px 10px; border-radius:1px; display:flex; justify-content:space-between; align-items:center; }
.result-algo-name  { font-size:10px; color:var(--text-dim); }
.result-algo-pred  { font-size:10px; font-weight:700; }
.pred-hujan { color:var(--rain-light); }
.pred-tidak { color:var(--gold); }
.pred-conf  { font-size:9px; color:var(--text-muted); margin-left:4px; }

/* ── FOOTER ─────────────────────────────────── */
.footer {
  border-top:1px solid var(--border-s); padding:20px 0;
  font-size:10px; color:var(--text-dim); text-align:center;
  position:relative; z-index:1;
}
.footer-sep { margin: 0 8px; color:var(--text-muted); }

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display:none; }
  .pred-layout { grid-template-columns:1fr; }
  .adv-grid    { grid-template-columns:1fr; }
  .km-clusters { grid-template-columns:1fr; }
  .algo-grid   { grid-template-columns:1fr; }
  .cm-grid     { grid-template-columns:1fr; }
  .scenario-grid { grid-template-columns:1fr 1fr; }
}