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

/* ── Theme tokens (10 themes, identical typography across all) ── */
:root,
[data-theme="light-clean"] {
  --bg:          #ffffff;
  --bg-card:     #f5f7f2;
  --bg-input:    #ffffff;
  --border:      #d4ddd4;
  --accent:      #1a6b3c;
  --accent-dim:  #145530;
  --accent-bg:   #e8f5ee;
  --text:        #1a2020;
  --text-muted:  #5a6e5a;
  --red:         #c0392b;
  --green:       #1a6b3c;
  --header-bg:   #ffffff;
  --card-shadow: 0 1px 4px rgba(0,0,0,0.06);
  --on-accent:   #ffffff;
}

[data-theme="dark-navy"] {
  --bg:          #0d1b2a;
  --bg-card:     #132338;
  --bg-input:    #0d1b2a;
  --border:      #1e3352;
  --accent:      #f5a623;
  --accent-dim:  #d4891c;
  --accent-bg:   rgba(245,166,35,0.12);
  --text:        #dde8f0;
  --text-muted:  #7a9ab8;
  --red:         #ff6b6b;
  --green:       #4ecb71;
  --header-bg:   rgba(13,27,42,0.97);
  --card-shadow: 0 2px 12px rgba(0,0,0,0.4);
  --on-accent:   #0d1b2a;
}

[data-theme="light-warm"] {
  --bg:          #fafaf8;
  --bg-card:     #f0f0ec;
  --bg-input:    #ffffff;
  --border:      #d8d8d0;
  --accent:      #0d9488;
  --accent-dim:  #0b7a70;
  --accent-bg:   #e6f7f5;
  --text:        #1e2a2a;
  --text-muted:  #5a6e6a;
  --red:         #dc2626;
  --green:       #059669;
  --header-bg:   #fafaf8;
  --card-shadow: 0 2px 8px rgba(0,0,0,0.06);
  --on-accent:   #ffffff;
}

[data-theme="dark-slate"] {
  --bg:          #1a1a2e;
  --bg-card:     #16213e;
  --bg-input:    #0f3460;
  --border:      #0f3460;
  --accent:      #e94560;
  --accent-dim:  #c73652;
  --accent-bg:   rgba(233,69,96,0.12);
  --text:        #eaeaea;
  --text-muted:  #8892a4;
  --red:         #ff6b8a;
  --green:       #4ecca3;
  --header-bg:   #1a1a2e;
  --card-shadow: 0 2px 16px rgba(0,0,0,0.5);
  --on-accent:   #ffffff;
}

[data-theme="light-blue"] {
  --bg:          #f0f4ff;
  --bg-card:     #e8eeff;
  --bg-input:    #ffffff;
  --border:      #c5cfe8;
  --accent:      #2563eb;
  --accent-dim:  #1d4ed8;
  --accent-bg:   #dbeafe;
  --text:        #1e2a4a;
  --text-muted:  #5a6e9a;
  --red:         #dc2626;
  --green:       #16a34a;
  --header-bg:   #f0f4ff;
  --card-shadow: 0 2px 8px rgba(37,99,235,0.08);
  --on-accent:   #ffffff;
}

[data-theme="dark-green"] {
  --bg:          #0a1510;
  --bg-card:     #0f2018;
  --bg-input:    #0a1510;
  --border:      #1a3525;
  --accent:      #00e676;
  --accent-dim:  #00c853;
  --accent-bg:   rgba(0,230,118,0.1);
  --text:        #e0ffe8;
  --text-muted:  #6a9a78;
  --red:         #ff5252;
  --green:       #00e676;
  --header-bg:   #0a1510;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.5);
  --on-accent:   #0a1510;
}

[data-theme="light-purple"] {
  --bg:          #faf8ff;
  --bg-card:     #f3eeff;
  --bg-input:    #ffffff;
  --border:      #d4c8f0;
  --accent:      #7c3aed;
  --accent-dim:  #6d28d9;
  --accent-bg:   #ede9fe;
  --text:        #1e1a2e;
  --text-muted:  #6a5a8a;
  --red:         #dc2626;
  --green:       #059669;
  --header-bg:   #faf8ff;
  --card-shadow: 0 2px 8px rgba(124,58,237,0.08);
  --on-accent:   #ffffff;
}

[data-theme="dark-cyan"] {
  --bg:          #0a0c10;
  --bg-card:     #0f1117;
  --bg-input:    #13151d;
  --border:      #1e2330;
  --accent:      #00e5ff;
  --accent-dim:  #00b3cc;
  --accent-bg:   rgba(0,229,255,0.08);
  --text:        #e2e8f0;
  --text-muted:  #7a8499;
  --red:         #ff5f57;
  --green:       #28c840;
  --header-bg:   rgba(10,12,16,0.95);
  --card-shadow: 0 2px 16px rgba(0,0,0,0.6);
  --on-accent:   #0a0c10;
}

[data-theme="light-red"] {
  --bg:          #fff8f8;
  --bg-card:     #fff0f0;
  --bg-input:    #ffffff;
  --border:      #f0c8c8;
  --accent:      #b91c1c;
  --accent-dim:  #991b1b;
  --accent-bg:   #fee2e2;
  --text:        #2a1a1a;
  --text-muted:  #8a5a5a;
  --red:         #b91c1c;
  --green:       #15803d;
  --header-bg:   #fff8f8;
  --card-shadow: 0 2px 8px rgba(185,28,28,0.07);
  --on-accent:   #ffffff;
}

[data-theme="dark-amber"] {
  --bg:          #18120a;
  --bg-card:     #231a0e;
  --bg-input:    #18120a;
  --border:      #3d2e18;
  --accent:      #fbbf24;
  --accent-dim:  #d97706;
  --accent-bg:   rgba(251,191,36,0.1);
  --text:        #fef3c7;
  --text-muted:  #a08040;
  --red:         #f87171;
  --green:       #34d399;
  --header-bg:   #18120a;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.5);
  --on-accent:   #18120a;
}

/* ── Base ── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.25s, color 0.25s;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dim); }

/* ── Theme switcher ── */
.theme-switcher {
  position: fixed;
  top: 1rem;
  right: 1.25rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 0.35rem 0.6rem;
  box-shadow: var(--card-shadow);
  transition: background 0.25s, border-color 0.25s;
}
.switcher-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  white-space: nowrap;
  user-select: none;
}
.swatches {
  display: flex;
  gap: 4px;
  max-width: 22px;
  overflow: hidden;
  transition: max-width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.theme-switcher:hover .swatches,
.theme-switcher:focus-within .swatches {
  max-width: 300px;
}
.swatch {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s, border-color 0.15s, opacity 0.2s;
  outline: none;
  flex-shrink: 0;
  padding: 0;
}
.swatch:not(.active) { opacity: 0; }
.theme-switcher:hover .swatch:not(.active),
.theme-switcher:focus-within .swatch:not(.active) { opacity: 1; }
.swatch:hover { transform: scale(1.25); }
.swatch.active { border-color: var(--text); transform: scale(1.15); order: -1; }
.swatch[data-t="light-clean"]  { background: #1a6b3c; }
.swatch[data-t="dark-navy"]    { background: linear-gradient(135deg,#0d1b2a 50%,#f5a623 50%); }
.swatch[data-t="light-warm"]   { background: #0d9488; }
.swatch[data-t="dark-slate"]   { background: linear-gradient(135deg,#1a1a2e 50%,#e94560 50%); }
.swatch[data-t="light-blue"]   { background: #2563eb; }
.swatch[data-t="dark-green"]   { background: linear-gradient(135deg,#0a1510 50%,#00e676 50%); }
.swatch[data-t="light-purple"] { background: #7c3aed; }
.swatch[data-t="dark-cyan"]    { background: linear-gradient(135deg,#0a0c10 50%,#00e5ff 50%); }
.swatch[data-t="light-red"]    { background: #b91c1c; }
.swatch[data-t="dark-amber"]   { background: linear-gradient(135deg,#18120a 50%,#fbbf24 50%); }

/* ── Header ── */
.site-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background 0.25s, border-color 0.25s;
}
.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 62px;
}
.logo {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}
.logo-sub {
  font-size: 0.77rem;
  color: var(--text-muted);
  margin-left: 0.15rem;
}

/* ── Main ── */
main { max-width: 960px; margin: 2.5rem auto; padding: 0 1.5rem 3rem; }

.intro { margin-bottom: 2rem; }
.intro h1 { font-size: 1.65rem; font-weight: 700; margin-bottom: 0.35rem; }
.intro p  { font-size: 0.95rem; color: var(--text-muted); max-width: 700px; }

/* ── Card ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: background 0.25s, border-color 0.25s;
}
.card-header {
  background: var(--accent);
  color: var(--on-accent);
  padding: 0.85rem 1.5rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.card-body { padding: 1.5rem; }

/* ── Two-column grid ── */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 720px) { .calc-grid { grid-template-columns: 1fr; } }

/* ── Form elements ── */
.section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  font-weight: 700;
  margin: 1.2rem 0 0.7rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}
.section-label:first-child { margin-top: 0; }
.form-group { margin-bottom: 1rem; }
.form-group.conditional[hidden] { display: none; }
label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}
input[type="text"], input[type="number"], input[type="date"], select {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.6rem 0.85rem;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.25s, color 0.25s;
}
input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}
select option { background: var(--bg-card); color: var(--text); }
.input-prefix { position: relative; }
.input-prefix .pfx {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  pointer-events: none;
}
.input-prefix input { padding-left: 1.5rem; }
.help-text {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  line-height: 1.4;
}

.checkbox-row, .radio-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
  cursor: pointer;
  margin: 0;
  font-weight: 500;
  color: var(--text);
}
.checkbox-row input, .radio-row input {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

/* ── Conditional panels (NG / election / pre1999) ── */
.ng-box, .election-box {
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 1rem;
}

/* ── Valuation overrides (collapsible, low-key) ── */
.valuation-details {
  border-top: 1px solid var(--border);
  padding-top: 0.85rem;
  margin-top: 0.5rem;
}
.valuation-details > summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.2rem 0;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  user-select: none;
}
.valuation-details > summary::-webkit-details-marker { display: none; }
.valuation-details > summary::before {
  content: '▸';
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.15s;
  display: inline-block;
}
.valuation-details[open] > summary::before { transform: rotate(90deg); }
.valuation-details > summary:hover { color: var(--accent); }
.valuation-summary-hint {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.78rem;
}
.valuation-body {
  padding-top: 0.8rem;
}
.ng-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Results ── */
.results {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  transition: background 0.25s, border-color 0.25s;
}
.results-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 1rem;
}
.result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.42rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  gap: 1rem;
}
.result-row:last-child { border-bottom: none; }
.result-label { color: var(--text-muted); }
.result-value { font-weight: 600; font-family: 'Courier New', Courier, monospace; font-size: 0.9rem; color: var(--text); white-space: nowrap; }
.result-value.c-accent { color: var(--accent); }
.result-value.c-red    { color: var(--red); }
.result-value.c-green  { color: var(--green); }
.result-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 0 0;
  margin-top: 0.4rem;
  border-top: 2px solid var(--border);
  gap: 1rem;
}
.result-total .result-label { font-weight: 700; color: var(--text); font-size: 0.93rem; }
.result-total .result-value { font-size: 1.1rem; color: var(--accent); }

/* ── Pills ── */
.pills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.pill {
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 0.18rem 0.75rem;
  font-size: 0.73rem;
  font-weight: 600;
}

/* ── Banner ── */
.banner {
  background: var(--accent-bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 0.7rem 1rem;
  font-size: 0.83rem;
  color: var(--accent);
  margin-top: 0.75rem;
  line-height: 1.5;
}
.banner.banner-warning {
  background: rgba(192,57,43,0.08);
  border-left-color: var(--red);
  color: var(--red);
}
.banner.banner-info { /* default */ }

/* ── Budget impact box (full width, below the calc grid) ── */
.impact {
  margin-top: 1.75rem;
  padding: 0;
  background: var(--bg-card);
  border: 1.5px solid var(--accent);
  border-radius: 10px;
  overflow: hidden;
}
.impact:empty { display: none; }
.impact-header {
  background: var(--accent);
  color: var(--on-accent);
  padding: 0.55rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.impact-body { padding: 0.85rem 1rem; }
.impact-headline {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  line-height: 1.4;
}
.impact-headline.is-worse  { color: var(--red); }
.impact-headline.is-better { color: var(--green); }
.impact-headline.is-neutral { color: var(--text-muted); font-weight: 600; }
.impact-detail {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.impact-detail strong { color: var(--text); font-weight: 600; }
.impact-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border);
}
.impact-compare-col { font-size: 0.78rem; }
.impact-compare-col .lbl {
  display: block;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  font-size: 0.7rem;
  margin-bottom: 0.2rem;
}
.impact-compare-col .val {
  font-family: 'Courier New', Courier, monospace;
  font-weight: 600;
  color: var(--text);
}

/* ── Real value note ── */
.real-value {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--accent-bg);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.real-value:empty { display: none; }
.real-value strong { color: var(--green); }

/* ── Rules info disclosure ── */
.rules-info {
  margin-top: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.5rem;
}
.rules-info summary {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  user-select: none;
  padding: 0.3rem 0;
}
.rules-info summary:hover { color: var(--accent-dim); }
.rules-content { padding-top: 1rem; font-size: 0.88rem; line-height: 1.7; color: var(--text); }
.rules-content h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
  margin: 1rem 0 0.4rem;
}
.rules-content h3:first-child { margin-top: 0; }
.rules-content ul { padding-left: 1.2rem; }
.rules-content li { margin-bottom: 0.3rem; color: var(--text-muted); }
.rules-content strong { color: var(--text); font-weight: 600; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  margin-top: 3rem;
  transition: border-color 0.25s;
}
footer p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }