/* ============================================================
   Solar Load Calculator — Premium Dark Dashboard Stylesheet
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── Root variables ──────────────────────────────────────────── */
#solar-load-calculator-root {
  --slc-bg:        #0a0f1a;
  --slc-surface:   #111827;
  --slc-surface2:  #1a2236;
  --slc-border:    #1e2d45;
  --slc-amber:     #f59e0b;
  --slc-orange:    #fb923c;
  --slc-text:      #e2e8f0;
  --slc-muted:     #64748b;
  --slc-subtle:    #94a3b8;
  --slc-success:   #10b981;
  --slc-radius:    14px;
  --slc-radius-lg: 20px;
  font-family: 'DM Sans', sans-serif;
  color: var(--slc-text);
  line-height: 1.5;
  box-sizing: border-box;
}

#solar-load-calculator-root *,
#solar-load-calculator-root *::before,
#solar-load-calculator-root *::after {
  box-sizing: inherit;
}

/* ── Wrapper ─────────────────────────────────────────────────── */
.slc-wrapper {
  background: var(--slc-bg);
  border-radius: var(--slc-radius-lg);
  padding: 40px 36px;
  max-width: 1140px;
  margin: 0 auto;
  border: 1px solid var(--slc-border);
  box-shadow: 0 0 80px rgba(245,158,11,0.07), 0 4px 40px rgba(0,0,0,0.6);
}

/* ── Header ──────────────────────────────────────────────────── */
.slc-header {
  text-align: center;
  margin-bottom: 40px;
}

.slc-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 999px;
  padding: 5px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--slc-amber);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.slc-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  background: linear-gradient(90deg, #f59e0b, #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 12px;
  text-shadow: none;
  filter: drop-shadow(0 0 20px rgba(245,158,11,0.25));
}

.slc-subtitle {
  color: var(--slc-muted);
  font-size: 15px;
  margin: 0;
  max-width: 520px;
  margin-inline: auto;
}

/* ── Main Grid ───────────────────────────────────────────────── */
.slc-main-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 28px;
  align-items: start;
}

@media (max-width: 900px) {
  .slc-main-grid { grid-template-columns: 1fr; }
  .slc-wrapper { padding: 24px 16px; }
}

/* ── Panel ───────────────────────────────────────────────────── */
.slc-panel {
  background: var(--slc-surface);
  border: 1px solid var(--slc-border);
  border-radius: var(--slc-radius-lg);
  padding: 24px;
}

.slc-panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.slc-panel-title {
  font-family: 'Syne', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--slc-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.slc-panel-icon { font-size: 18px; }

.slc-btn-reset-all {
  background: #dc2626;
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  font-family: inherit;
  letter-spacing: 0.02em;
}
.slc-btn-reset-all:hover { background: #b91c1c; transform: scale(1.04); }

.slc-hint {
  color: var(--slc-muted);
  font-size: 12px;
  margin: 0 0 18px;
}

/* ── Appliance Grid ──────────────────────────────────────────── */
.slc-appliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
}

/* ── Tile ────────────────────────────────────────────────────── */
.slc-tile {
  position: relative;
  background: var(--slc-surface2);
  border: 1.5px solid var(--slc-border);
  border-radius: var(--slc-radius);
  padding: 14px 8px 10px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s, background 0.2s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.slc-tile:hover {
  border-color: rgba(245,158,11,0.5);
  box-shadow: 0 0 16px rgba(245,158,11,0.15);
  transform: translateY(-2px);
}

.slc-tile:active { transform: scale(0.97); }

.slc-tile--active {
  border-color: var(--slc-amber);
  background: rgba(245,158,11,0.07);
  box-shadow: 0 0 18px rgba(245,158,11,0.18);
}

.slc-tile-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: linear-gradient(135deg, #f59e0b, #fb923c);
  color: #000;
  font-weight: 800;
  font-size: 11px;
  border-radius: 999px;
  min-width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.slc-tile-icon {
  font-size: 26px;
  line-height: 1;
  margin-bottom: 6px;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,0.3));
}

.slc-tile-name {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--slc-text);
  margin-bottom: 3px;
  line-height: 1.25;
}

.slc-tile-watts {
  font-size: 10px;
  color: var(--slc-muted);
  font-weight: 500;
}

.slc-tile-reset {
  display: block;
  width: calc(100% - 0px);
  margin-top: 8px;
  background: rgba(220,38,38,0.15);
  border: 1px solid rgba(220,38,38,0.3);
  color: #f87171;
  border-radius: 7px;
  padding: 4px 0;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}
.slc-tile-reset:hover { background: rgba(220,38,38,0.28); }

/* ── Results Panel ───────────────────────────────────────────── */
.slc-results-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Empty State ─────────────────────────────────────────────── */
.slc-empty-state {
  background: var(--slc-surface);
  border: 1.5px dashed var(--slc-border);
  border-radius: var(--slc-radius-lg);
  padding: 48px 24px;
  text-align: center;
}

.slc-empty-icon { font-size: 44px; margin-bottom: 14px; }
.slc-empty-title { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 700; color: var(--slc-text); margin-bottom: 8px; }
.slc-empty-sub { color: var(--slc-muted); font-size: 13px; max-width: 200px; margin: 0 auto; line-height: 1.5; }

/* ── Summary Bar ─────────────────────────────────────────────── */
.slc-summary-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--slc-amber);
}

.slc-dot {
  width: 4px;
  height: 4px;
  background: var(--slc-amber);
  border-radius: 50%;
  opacity: 0.5;
}

/* ── Result Cards ────────────────────────────────────────────── */
.slc-card {
  background: var(--slc-surface);
  border: 1px solid var(--slc-border);
  border-radius: var(--slc-radius);
  padding: 18px 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.slc-card:hover {
  border-color: rgba(245,158,11,0.35);
  box-shadow: 0 0 20px rgba(245,158,11,0.08);
}

.slc-card--highlight {
  border-color: var(--slc-amber) !important;
  background: rgba(245,158,11,0.06);
  box-shadow: 0 0 30px rgba(245,158,11,0.15) !important;
}

.slc-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.slc-card-icon { font-size: 16px; }

.slc-card-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--slc-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.slc-card-value {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--slc-amber);
  margin-bottom: 5px;
  line-height: 1.15;
}

.slc-card--highlight .slc-card-value {
  background: linear-gradient(90deg, #f59e0b, #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(245,158,11,0.4));
}

.slc-card-sub {
  font-size: 11.5px;
  color: var(--slc-muted);
  line-height: 1.4;
}

/* ── Footer ──────────────────────────────────────────────────── */
.slc-footer {
  margin-top: 28px;
  text-align: center;
  font-size: 12px;
  color: var(--slc-muted);
  border-top: 1px solid var(--slc-border);
  padding-top: 18px;
  line-height: 1.5;
}

/* ── Mobile tweaks ───────────────────────────────────────────── */
@media (max-width: 600px) {
  .slc-appliance-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
  }
  .slc-tile { padding: 12px 6px 8px; }
  .slc-tile-icon { font-size: 22px; }
  .slc-tile-name { font-size: 9.5px; }
  .slc-card-value { font-size: 20px; }
}