/* Pochven Highway Planner — Stylesheet */

/* ── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg-deepest:    #080b10;
  --bg-page:       #0c1018;
  --bg-panel:      #101520;
  --bg-card:       #161c28;
  --bg-card-hover: #1c2435;
  --bg-input:      #0a0e16;

  --border-dim:    #1a2030;
  --border-mid:    #253048;
  --border-bright: #3a4a68;

  --text-primary:  #c8d4e8;
  --text-muted:    #5a6a88;
  --text-label:    #7a8aaa;

  --accent-gold:     #c8a040;
  --accent-gold-dim: #6a5218;
  --accent-blue:     #3a78c8;
  --accent-cyan:     #40b8d8;
  --accent-cyan-dim: #204858;

  --ok:     #40aa60;
  --warn:   #c8a040;
  --danger: #cc4444;

  --font: 'Segoe UI', system-ui, sans-serif;
  --mono: 'Consolas', 'Courier New', monospace;

  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 10px;
}

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

html { font-size: 14px; }

body {
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text-primary);
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto auto 1fr;
  font-size: 1rem;
  line-height: 1.55;
}

button { cursor: pointer; font-family: inherit; }

.hidden { display: none !important; }

/* ── Site Nav ─────────────────────────────────────────────────────────────── */
.site-nav {
  background: var(--bg-deepest);
  border-bottom: 1px solid var(--border-dim);
  padding: 0 24px;
  height: 32px;
  display: flex;
  align-items: center;
}

.site-nav-home {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.12s;
}

.site-nav-home:hover { color: var(--accent-gold); }

/* ── Header ───────────────────────────────────────────────────────────────── */
.app-header {
  background: var(--bg-deepest);
  border-bottom: 1px solid var(--border-dim);
  padding: 14px 24px;
}

.header-inner {
  display: flex;
  align-items: baseline;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}

.header-logo {
  font-size: 1.4rem;
  color: var(--accent-gold);
}

.app-header h1 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.header-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── Main Layout ──────────────────────────────────────────────────────────── */
.app-main {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Panel ────────────────────────────────────────────────────────────────── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.5);
}

.panel-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-label);
  margin-bottom: 16px;
}

/* ── Warning ──────────────────────────────────────────────────────────────── */
.pochven-warning {
  font-size: 0.85rem;
  color: var(--warn);
  background: rgba(200, 160, 64, 0.06);
  border: 1px solid var(--accent-gold-dim);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  margin-bottom: 16px;
  line-height: 1.6;
}

/* ── Form ─────────────────────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: end;
}

.field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-label);
}

.field input,
.field select {
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1rem;
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.12s, box-shadow 0.12s;
  width: 100%;
  appearance: none;
}

.field input:focus,
.field select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px var(--accent-cyan-dim);
}

.field-wide {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.field-wide label {
  white-space: nowrap;
  margin-bottom: 0;
}

.field-wide select {
  flex: 1;
}

/* ── Autocomplete Dropdown ────────────────────────────────────────────────── */
.ac-dropdown {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--r-sm);
  overflow: hidden;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.6);
}

.ac-item {
  padding: 7px 12px;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: background 0.08s;
}

.ac-item:hover,
.ac-item.active {
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
}

/* ── Calculate Button ─────────────────────────────────────────────────────── */
.calc-row {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 14px;
}

#calc-btn {
  background: var(--accent-gold);
  border: none;
  border-radius: var(--r-md);
  color: #0c0e12;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 8px 24px;
  text-transform: uppercase;
  transition: background 0.12s;
  white-space: nowrap;
  width: 100%;
}

#calc-btn:hover { background: #ddb848; }
#calc-btn:disabled { opacity: 0.4; cursor: default; }

#status {
  font-size: 0.85rem;
  color: var(--danger);
}

.standings-check {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 8px;
  font-size: 0.82rem;
  color: var(--text-label);
  cursor: pointer;
  margin-top: 10px;
  user-select: none;
}

.standings-check input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
}

.standings-note {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ── Route Summary ────────────────────────────────────────────────────────── */
.route-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.summary-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-md);
  padding: 14px 16px;
}

.summary-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-label);
  margin-bottom: 6px;
}

.summary-value-range {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-cyan);
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}

.summary-value-krai {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.4;
}

.summary-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 4px;
}

@media (max-width: 640px) {
  .route-summary { grid-template-columns: 1fr 1fr; }
}

/* ── Pochven Destination Notice ───────────────────────────────────────────── */
.pochven-dest-notice {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.6;
  padding: 12px 14px;
  background: rgba(64, 184, 216, 0.05);
  border: 1px solid var(--accent-cyan-dim);
  border-radius: var(--r-md);
}

.pochven-dest-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  background: rgba(64, 184, 216, 0.12);
  border: 1px solid var(--accent-cyan-dim);
  border-radius: var(--r-sm);
  padding: 2px 7px;
  flex-shrink: 0;
}

/* ── Landing Odds ─────────────────────────────────────────────────────────── */
.landing-odds {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-dim);
}

.landing-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-label);
  margin-bottom: 8px;
}

.landing-bar {
  display: flex;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-card);
  gap: 2px;
  margin-bottom: 8px;
}

.bar-seg {
  border-radius: 3px;
  transition: opacity 0.1s;
}
.bar-seg:hover { opacity: 0.8; }
.bar-hi   { background: var(--ok); }
.bar-low  { background: var(--warn); }
.bar-null { background: var(--danger); }

.landing-legend {
  display: flex;
  gap: 18px;
  font-size: 0.82rem;
}

.leg-hi   { color: var(--ok); }
.leg-low  { color: var(--warn); }
.leg-null { color: var(--danger); }

.leg-count {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.sec-hi   { color: var(--ok); }
.sec-low  { color: var(--warn); }
.sec-null { color: var(--danger); }

/* ── Steps Panel ──────────────────────────────────────────────────────────── */
.step-list {
  padding-left: 1.4em;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
}

.step-list li {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.step-list strong {
  color: var(--accent-cyan);
  font-weight: 600;
}

.step-detail {
  display: block;
  color: var(--text-muted);
  font-size: 0.84rem;
  margin-top: 4px;
  line-height: 1.6;
}

.route-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-dim);
  font-style: italic;
  line-height: 1.6;
}

.route-warning {
  font-size: 0.84rem;
  color: var(--warn);
  background: rgba(200, 160, 64, 0.06);
  border: 1px solid var(--accent-gold-dim);
  border-radius: var(--r-sm);
  padding: 8px 12px;
  margin-top: 14px;
  line-height: 1.5;
}

/* ── Error ────────────────────────────────────────────────────────────────── */
.error {
  color: var(--danger);
  background: rgba(204, 68, 68, 0.08);
  border: 1px solid var(--danger);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-size: 0.9rem;
}

/* ── Info Panel ───────────────────────────────────────────────────────────── */
.info-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.info-donation {
  padding: 14px 16px;
  background: rgba(200,160,64,0.07);
  border: 1px solid rgba(200,160,64,0.2);
  border-radius: var(--r-md);
  text-align: center;
}

.info-donation p {
  font-size: 0.9rem;
  color: var(--text-label);
  line-height: 1.6;
  margin: 0;
}

.info-isk-name {
  color: var(--accent-cyan);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.info-intro {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.65;
  margin: 0;
}

.info-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.info-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  margin: 0;
}

.info-section p {
  font-size: 0.85rem;
  color: var(--text-label);
  line-height: 1.65;
  margin: 0;
}

.info-steps {
  margin: 0;
  padding-left: 20px;
  font-size: 0.85rem;
  color: var(--text-label);
  line-height: 1.8;
}

.info-steps strong {
  color: var(--text-primary);
}

.info-credit {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 560px) {
  .form-grid    { grid-template-columns: 1fr; }
  .field-wide   { flex-direction: column; align-items: flex-start; }
  .field-wide select { width: 100%; }
  .calc-row     { grid-column: 1; }
  .cards        { grid-template-columns: 1fr; }
}