/* ═══════════════════════════════════════════════════════════
   RateAtlas – EV Charging Cost Calculator  •  tool-specific styles
   tools.rateatlas.org/ev-calculator/style.css
   ═══════════════════════════════════════════════════════════ */

:root {
  --ev-accent: #97D8C4;
  --ev-accent-2: #4059AD;
  --ev-accent-light: #EFF2F1;
  --ev-accent-glow: rgba(151,216,196,.18);
  --ev-border: #6B9AC4;
  --ev-text: #0f172a;
  --ev-muted: #64748b;
  --ev-surface: #ffffff;
  --ev-bg: #EFF2F1;
  --ev-radius: 20px;
  --ev-radius-sm: 14px;
  --ev-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --ev-shadow-lg: 0 10px 40px rgba(64,89,173,.12);
}
.ev-root {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ev-text);
  max-width: 920px;
  margin: 0 auto;
  padding: 0 16px 32px;
  -webkit-font-smoothing: antialiased;
}
.ev-root, .ev-root * { box-sizing: border-box; }

/* ── Hero ── */
.ev-hero {
  background: linear-gradient(135deg, #97D8C4 0%, #6B9AC4 50%, #4059AD 100%);
  border-radius: var(--ev-radius);
  padding: clamp(28px, 5vw, 48px) clamp(24px, 4vw, 40px);
  color: #fff;
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
}
.ev-hero::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
  pointer-events: none;
}
.ev-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .03em;
  margin-bottom: 16px;
}
.ev-hero__badge svg { width: 14px; height: 14px; fill: currentColor; }
.ev-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0;
}
.ev-hero p {
  margin-top: 10px;
  font-size: 1.05rem;
  color: rgba(255,255,255,.88);
  max-width: 60ch;
  line-height: 1.55;
}
.ev-hero-nav { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.ev-hero-nav a {
  color: #4059AD; text-decoration: none; font-size: 0.82rem; font-weight: 700;
  padding: 6px 14px; border-radius: 99px;
  background: #EFF2F1; border: 1px solid #6B9AC4; transition: all 0.2s ease;
}
.ev-hero-nav a:hover { background: #97D8C4; border-color: #4059AD; transform: translateY(-1px); }

/* ── Cards ── */
.ev-card {
  background: var(--ev-surface);
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
  padding: clamp(18px, 3vw, 28px);
  box-shadow: var(--ev-shadow);
  margin-bottom: 16px;
}
.ev-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ev-text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ev-card__title .ev-icon {
  width: 20px; height: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--ev-accent-light);
  color: var(--ev-accent);
  border-radius: 6px;
  font-size: .85rem;
}

/* ── Location row ── */
.ev-location-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: end;
}
.ev-state-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--ev-accent-light); color: var(--ev-accent);
  border-radius: 999px; padding: 5px 14px;
  font-size: .82rem; font-weight: 700; margin-bottom: 12px;
}

/* ── Form elements ── */
.ev-label {
  display: block; font-size: .82rem; font-weight: 600;
  color: #475569; margin-bottom: 6px; letter-spacing: .01em;
}
.ev-input, .ev-select {
  width: 100%;
  border: 1.5px solid #e2e8f0; border-radius: 12px;
  padding: 10px 14px; font-size: .95rem; font-family: inherit;
  background: #fff; color: var(--ev-text);
  transition: border-color .2s, box-shadow .2s; outline: none;
}
.ev-input:focus, .ev-select:focus {
  border-color: var(--ev-accent);
  box-shadow: 0 0 0 3px var(--ev-accent-glow);
}
.ev-input::placeholder { color: #94a3b8; }

/* ── Buttons ── */
.ev-btn {
  border: 0; border-radius: 12px; padding: 10px 20px;
  font-size: .92rem; font-weight: 700; font-family: inherit;
  cursor: pointer; display: inline-flex; align-items: center;
  gap: 6px; transition: transform .15s, box-shadow .15s, opacity .15s;
  white-space: nowrap;
}
.ev-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.ev-btn:active { transform: translateY(0); }
.ev-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.ev-btn--primary { background: linear-gradient(135deg, #97D8C4, #6B9AC4); color: #fff; }
.ev-btn--geo {
  background: #f1f5f9; color: #334155; border-color: #cbd5e1;
  font-size: 1.1rem; padding: 7px 11px; min-width: 38px;
  display: inline-flex; align-items: center; justify-content: center;
}
.ev-btn--geo:hover { background: #e2e8f0; }
.ev-btn--calc {
  background: linear-gradient(135deg, #4059AD, #6B9AC4);
  color: #fff; padding: 12px 28px; font-size: 1rem; border-radius: 14px;
}

/* ── Hints ── */
.ev-hint { font-size: .85rem; color: var(--ev-muted); margin-top: 10px; line-height: 1.45; }
.ev-hint--error { color: #dc2626; }

/* ── Detected provider ── */
.ev-detected {
  display: flex; align-items: center; gap: 10px;
  margin-top: 12px; padding: 10px 16px;
  background: var(--ev-accent-light); border-radius: 12px;
  border: 1px solid rgba(64,89,173,.15);
}
.ev-detected__name { font-weight: 700; font-size: .95rem; color: var(--ev-accent-2); }
.ev-detected__type {
  font-size: .78rem; font-weight: 600; color: var(--ev-accent);
  background: rgba(151,216,196,.18); border-radius: 999px; padding: 2px 10px;
}
.ev-unsupported-warning {
  margin-top: 10px; padding: 10px 14px; border-radius: 12px;
  background: #fef3c7; border: 1px solid #fbbf24; color: #92400e;
  font-size: 0.84rem; font-weight: 600; line-height: 1.5; display: none;
}
.ev-unsupported-warning.active { display: block; }

/* ── Chips ── */
.ev-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.ev-chip {
  border: 1.5px solid var(--ev-border); border-radius: 999px;
  background: #fff; color: #475569;
  padding: 6px 14px; font-size: .82rem; font-weight: 600;
  font-family: inherit; white-space: nowrap;
  cursor: pointer; transition: all .2s;
}
.ev-chip:hover { border-color: var(--ev-accent); color: var(--ev-accent); }
.ev-chip--active { background: var(--ev-accent); color: #fff; border-color: var(--ev-accent); }

/* ── Grid layouts ── */
.ev-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ev-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.ev-field { display: flex; flex-direction: column; }

/* ── Results ── */
.ev-results {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.ev-metric {
  background: linear-gradient(135deg, #EFF2F1 0%, #fff 100%);
  border: 1px solid rgba(64,89,173,.12);
  border-radius: var(--ev-radius-sm);
  padding: 18px;
  transition: transform .2s, box-shadow .2s;
}
.ev-metric:hover { transform: translateY(-2px); box-shadow: var(--ev-shadow-lg); }
.ev-metric__label {
  font-size: .78rem; font-weight: 600; color: var(--ev-muted);
  text-transform: uppercase; letter-spacing: .04em;
}
.ev-metric__value {
  margin-top: 8px;
  font-size: 1.55rem; font-weight: 800;
  color: var(--ev-accent-2); line-height: 1.2;
}
.ev-source {
  grid-column: 1 / -1;
  font-size: .82rem; color: var(--ev-muted);
  padding: 8px 0; line-height: 1.5;
}

/* ── Schedule timeline ── */
.ev-schedule-wrap { margin-top: 4px; }
.ev-timeline {
  display: grid; grid-template-columns: repeat(24, 1fr);
  gap: 2px; border-radius: 10px; overflow: hidden;
}
.ev-hour {
  background: #f1f5f9; padding: 10px 0;
  text-align: center; transition: background .2s;
}
.ev-hour--charge { background: linear-gradient(180deg, #6B9AC4, #4059AD); }
.ev-hour__label { font-size: .6rem; font-weight: 600; color: #94a3b8; }
.ev-hour--charge .ev-hour__label { color: #fff; }
.ev-timeline-legend {
  display: flex; gap: 16px; margin-top: 10px;
  font-size: .8rem; color: var(--ev-muted);
}
.ev-legend-item { display: flex; align-items: center; gap: 5px; }
.ev-legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.ev-legend-dot--charge { background: var(--ev-accent); }
.ev-legend-dot--idle { background: #e2e8f0; }

/* ── Disclaimer ── */
.ev-disclaimer {
  font-size: .82rem; color: #94a3b8;
  line-height: 1.5; margin-top: 8px;
}

/* ── SEO Copy ── */
.ev-seo-copy {
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px solid #e2e8f0;
  color: #64748b;
  font-size: 0.78rem;
  line-height: 1.7;
}
.ev-seo-copy h2 {
  margin: 0 0 6px;
  font-size: 0.86rem;
  font-weight: 700;
  color: #475569;
}
.ev-seo-copy p + p { margin-top: 8px; }

/* ── Responsive ── */
@media (max-width: 720px) {
  .ev-grid-3, .ev-grid-2, .ev-results { grid-template-columns: 1fr; }
  .ev-location-row { grid-template-columns: 1fr auto auto; }
  .ev-timeline { grid-template-columns: repeat(12, 1fr); }
  .ev-hour:nth-child(odd) { display: none; }
}