/* ============================================================
   calc01 — Unified Design System  v3.0
   Shared by: Buy vs Rent · Salary Erosion · Freelance Income
   Theme: light (F7F9FC background, #0B4F6C primary)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=DM+Serif+Display:ital@0;1&family=DM+Mono:wght@400;500&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --primary:        #0B4F6C;
  --primary-light:  #1A7FA8;
  --primary-pale:   #E8F4F8;
  --accent:         #F4845F;
  --accent-light:   #FDF0EB;
  --success:        #2E7D5E;
  --success-light:  #E8F5EF;
  --danger:         #C0392B;
  --danger-light:   #FDECEA;
  --warning:        #D4881A;
  --warning-light:  #FEF6E8;
  --text-primary:   #1A1A2E;
  --text-secondary: #5A6478;
  --text-muted:     #9AA3B0;
  --border:         #DDE3EC;
  --border-focus:   #1A7FA8;
  --bg:             #F7F9FC;
  --bg-card:        #FFFFFF;
  --bg-input:       #FFFFFF;
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:      0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:      0 8px 32px rgba(0,0,0,0.10);
  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --font-display:   'DM Serif Display', serif;
  --font-body:      'DM Sans', sans-serif;
  --font-mono:      'DM Mono', monospace;
  --transition:     0.2s ease;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { font-size: 16px; scroll-behavior: smooth; }
body  {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ══════════════════════════════════════════════════════════════
   SECTION A — BUY VS RENT LAYOUT
   .calc-wrapper  .calc-header  .calc-body  aside  .results-panel
   ══════════════════════════════════════════════════════════════ */

.calc-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 60px;
}

.calc-header {
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calc-header h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--primary);
  line-height: 1.2;
}
.calc-header p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 600px;
}
.header-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.calc-body {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 960px) { .calc-body { grid-template-columns: 1fr; } }

/* Sticky left panel (BVR) */
@media (min-width: 961px) {
  .calc-body aside {
    position: sticky;
    top: 76px;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
  }
  .calc-body aside::-webkit-scrollbar { width: 4px; }
  .calc-body aside::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
}

/* ── Cards (BVR) ─────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-header {
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-header h2 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex: 1;
}
.card-icon {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  background: var(--primary-pale);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; flex-shrink: 0;
}
.card-body { padding: 20px 24px; }

/* ── City Presets ──────────────────────────────────────────── */
.preset-bar { margin-bottom: 4px; }
.preset-market-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.market-tab {
  padding: 5px 14px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: 0.78rem; font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg);
  cursor: pointer;
  transition: all var(--transition);
}
.market-tab:hover { border-color: var(--primary-light); color: var(--primary); }
.market-tab.active { border-color: var(--primary); background: var(--primary); color: #fff; }
.preset-city-row { display: flex; gap: 8px; align-items: center; }
.preset-city-row select { flex: 1; height: 36px; font-size: 0.85rem; }
.btn-apply-preset {
  height: 36px; padding: 0 16px;
  background: var(--primary); color: #fff;
  border: none; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 600;
  cursor: pointer; transition: background var(--transition); white-space: nowrap;
}
.btn-apply-preset:hover { background: var(--primary-light); }

/* ── Accordion / Input Sections ───────────────────────────── */
.input-section { margin-bottom: 0; }
.input-section + .input-section { border-top: 1px solid var(--border); }
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0 4px; cursor: pointer; user-select: none;
}
.section-label {
  font-size: 0.73rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-muted);
}
.section-chevron {
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); transition: transform var(--transition); font-size: 10px;
}
.section-body { padding-bottom: 4px; }
@media (min-width: 961px) {
  .section-chevron { display: none; }
  .section-body    { display: block !important; }
  .section-header  { cursor: default; padding-top: 12px; }
}
@media (max-width: 960px) {
  .section-body { display: none; }
  .accordion-section.open .section-body    { display: block; }
  .accordion-section.open .section-chevron { transform: rotate(180deg); }
}

.field { margin-bottom: 14px; }
.field label {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.875rem; font-weight: 500; color: var(--text-primary);
  margin-bottom: 6px; gap: 6px;
}
.field label span.val-badge {
  font-size: 0.8rem; color: var(--text-muted); font-weight: 400; margin-left: auto;
}

/* ── Tooltip ───────────────────────────────────────────────── */
.tip-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--border); color: var(--text-secondary);
  font-size: 10px; font-weight: 700; cursor: help; flex-shrink: 0;
  transition: background var(--transition); line-height: 1;
}
.tip-icon:hover { background: var(--primary-light); color: #fff; }
.calc-tooltip {
  position: absolute; z-index: 9999;
  background: #1A1A2E; color: rgba(255,255,255,0.90);
  font-family: var(--font-body); font-size: 0.8rem; line-height: 1.5;
  padding: 10px 14px; border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); pointer-events: none;
  opacity: 0; transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.calc-tooltip.visible { opacity: 1; transform: translateY(0); }

/* ── Text / Currency Inputs ────────────────────────────────── */
.input-currency-wrap { position: relative; display: flex; align-items: center; }
.input-currency-wrap .currency-symbol {
  position: absolute; left: 12px; font-size: 0.9rem;
  color: var(--text-secondary); font-weight: 500; pointer-events: none; z-index: 1;
}
input[type="text"],
input[type="number"],
select {
  width: 100%; height: 40px; padding: 0 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-input); font-family: var(--font-body);
  font-size: 0.9rem; color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; appearance: none; -webkit-appearance: none;
}
.input-currency-wrap input { padding-left: 28px; }
input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(26,127,168,0.12);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6478' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 32px; cursor: pointer;
}

/* ── Sliders ───────────────────────────────────────────────── */
.slider-row { display: flex; align-items: center; gap: 10px; }
.slider-row input[type="range"],
input[type="range"] {
  flex: 1; height: 4px; -webkit-appearance: none; appearance: none;
  background: var(--border); border-radius: 2px; outline: none;
  border: none; padding: 0; box-shadow: none; cursor: pointer; min-width: 0; width: 100%;
}
.slider-row input[type="range"]::-webkit-slider-thumb,
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary); border: 2.5px solid white;
  box-shadow: 0 1px 6px rgba(0,0,0,0.25); cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.slider-row input[type="range"]::-webkit-slider-thumb:hover,
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2); box-shadow: 0 2px 10px rgba(11,79,108,0.35);
}
.slider-row input[type="range"]::-moz-range-thumb,
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary); border: 2.5px solid white;
  box-shadow: 0 1px 6px rgba(0,0,0,0.25); cursor: pointer;
}
.slider-value {
  min-width: 56px; height: 32px; padding: 0 8px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 600; color: var(--primary);
  background: var(--primary-pale); text-align: center;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 16px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  border: 1.5px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); }
.btn-outline { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-pale); }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1A1A2E; color: #fff;
  padding: 10px 20px; border-radius: 24px;
  font-size: 0.85rem; font-weight: 500; z-index: 9999;
  transition: transform 0.3s ease, opacity 0.3s ease; opacity: 0; pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ── BVR Results Panel ─────────────────────────────────────── */
.results-panel { display: flex; flex-direction: column; gap: 24px; }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 700px) { .summary-grid { grid-template-columns: 1fr 1fr; } }
.summary-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px 18px; box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), background var(--transition);
}
.summary-card.highlight-buy  { border-color: var(--success); background: var(--success-light); }
.summary-card.highlight-rent { border-color: var(--accent);  background: var(--accent-light);  }
.summary-card .card-label {
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 6px;
}
.summary-card .card-value {
  font-family: var(--font-display); font-size: 1.55rem;
  color: var(--primary); line-height: 1.1; word-break: break-word;
}
.summary-card .card-sub { font-size: 0.75rem; color: var(--text-secondary); margin-top: 4px; }
.summary-card.highlight-buy  .card-value { color: var(--success); }
.summary-card.highlight-rent .card-value { color: var(--accent); }

.verdict-narrative {
  background: var(--primary-pale);
  border: 1px solid rgba(11,79,108,0.15); border-left: 3px solid var(--primary);
  border-radius: var(--radius-md); padding: 16px 20px;
  font-size: 0.9rem; color: var(--text-primary); line-height: 1.7;
}
.verdict-narrative strong { color: var(--primary); }
.verdict-narrative.buy-wins  { border-left-color: var(--success); background: var(--success-light); }
.verdict-narrative.rent-wins { border-left-color: var(--accent);  background: var(--accent-light);  }
.verdict-narrative.buy-wins  strong { color: var(--success); }
.verdict-narrative.rent-wins strong { color: var(--accent); }

/* ── PV Table ──────────────────────────────────────────────── */
.pv-table-wrap { overflow-x: auto; }
table.pv-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
table.pv-table thead th {
  background: var(--primary-pale); color: var(--primary); font-weight: 600;
  padding: 10px 14px; text-align: right; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap;
}
table.pv-table thead th:first-child { text-align: left; }
table.pv-table tbody td {
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  text-align: right; color: var(--text-primary); white-space: nowrap;
}
table.pv-table tbody td:first-child { text-align: left; font-weight: 500; color: var(--text-secondary); }
table.pv-table tbody tr:last-child td { border-bottom: none; }
table.pv-table tbody tr:hover td { background: var(--bg); }
.positive { color: var(--success) !important; font-weight: 600; }
.negative { color: var(--danger)  !important; font-weight: 600; }

/* ── Chart Wrap (shared) ───────────────────────────────────── */
.chart-wrap { position: relative; width: 100%; }
.chart-wrap canvas { width: 100% !important; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 12px; font-size: 0.82rem; color: var(--text-secondary); }
.legend-item  { display: flex; align-items: center; gap: 6px; }
.legend-dot   { width: 12px; height: 3px; border-radius: 2px; flex-shrink: 0; }

/* ── Formula Section (shared by all three calcs) ───────────── */
.formula-section { font-size: 0.875rem; }
.formula-block {
  margin-bottom: 22px; padding-bottom: 22px; border-bottom: 1px solid var(--border);
}
.formula-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.formula-block h3 { font-size: 0.9rem; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.formula-block .formula {
  font-family: 'Courier New', monospace; font-size: 0.85rem;
  background: var(--primary-pale); color: var(--primary);
  padding: 10px 14px; border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary-light); margin: 8px 0; overflow-x: auto; white-space: pre;
}
.formula-block p  { color: var(--text-secondary); line-height: 1.7; font-size: 0.85rem; }
.formula-block ul { list-style: none; margin-top: 6px; }
.formula-block ul li { padding: 2px 0; color: var(--text-secondary); font-size: 0.84rem; }
.formula-block ul li::before { content: "→ "; color: var(--primary-light); font-weight: 600; }

/* ── Spinner / Forex Bar ───────────────────────────────────── */
.spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid var(--border); border-top-color: var(--primary);
  border-radius: 50%; animation: spin 0.7s linear infinite;
  vertical-align: middle; margin-right: 6px; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }
.forex-bar {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px;
  background: var(--primary-pale); border-radius: var(--radius-sm);
  font-size: 0.78rem; color: var(--primary); margin-bottom: 16px;
}

/* ══════════════════════════════════════════════════════════════
   SECTION B — SALARY EROSION / FREELANCE PANEL LAYOUT
   .page  .se-header  .calc-layout  .panel  .input-block
   All in the same light theme — no dark vars
   ══════════════════════════════════════════════════════════════ */

/* Page wrapper for SE + Freelance (sits below 56px nav) */
.page {
  max-width: 1280px; margin: 0 auto; padding: 28px 24px 60px;
}

/* SE / Freelance header */
.se-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.se-header .breadcrumb {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--primary);
  margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.se-header .breadcrumb::before { content: ''; width: 20px; height: 1px; background: var(--primary); }
.se-header h1 {
  font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--text-primary); line-height: 1.15; margin-bottom: 8px;
}
.se-header h1 em { font-style: italic; color: var(--primary); }
.se-header p { font-size: 0.95rem; color: var(--text-secondary); max-width: 580px; }

/* Two-column layout shared by SE + Freelance */
.calc-layout { display: grid; grid-template-columns: 360px 1fr; gap: 28px; align-items: start; }
@media (max-width: 960px) { .calc-layout { grid-template-columns: 1fr; } }

/* Sticky left panel for SE + Freelance */
@media (min-width: 961px) {
  .calc-layout .panel {
    position: sticky; top: 76px;
    max-height: calc(100vh - 96px); overflow-y: auto;
    scrollbar-width: thin; scrollbar-color: var(--border) transparent;
  }
  .calc-layout .panel::-webkit-scrollbar { width: 4px; }
  .calc-layout .panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
}

/* Input panel (white card) */
.panel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 24px;
}
.panel-title {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted);
  margin-bottom: 20px; display: flex; align-items: center; gap: 8px;
}
.panel-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* Input blocks inside panel */
.input-blocks { display: flex; flex-direction: column; gap: 0; }
.input-block { border-top: 1px solid var(--border); padding: 14px 0 6px; }
.input-block:first-child { border-top: none; padding-top: 0; }
.block-label {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 12px;
}

/* Field rows for SE + Freelance */
.field-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.field-row label { font-size: 0.875rem; font-weight: 500; color: var(--text-primary); }
.field-val {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--primary); background: var(--primary-pale);
  padding: 2px 8px; border-radius: 4px; min-width: 52px; text-align: right;
}

/* Text input wrap for SE + Freelance */
.text-input-wrap {
  display: flex; align-items: center; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color var(--transition), box-shadow var(--transition);
}
.text-input-wrap:focus-within {
  border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(26,127,168,0.12);
}
.input-prefix {
  padding: 0 10px; height: 40px; display: flex; align-items: center;
  font-family: var(--font-mono); font-size: 0.875rem; color: var(--text-secondary);
  background: var(--bg); border-right: 1px solid var(--border); white-space: nowrap; flex-shrink: 0;
}
.text-input-wrap input[type="text"],
.text-input-wrap input[type="number"] {
  flex: 1; background: transparent; border: none; outline: none;
  padding: 0 12px; font-family: var(--font-mono); font-size: 0.9rem;
  color: var(--text-primary); height: 40px; width: 0;
}

/* Run button */
.btn-run {
  width: 100%; margin-top: 20px; padding: 12px 20px;
  background: var(--primary); color: #fff; border: none;
  border-radius: var(--radius-md); font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 600; cursor: pointer; letter-spacing: 0.02em;
  transition: background var(--transition), transform 0.1s, box-shadow var(--transition);
}
.btn-run:hover { background: var(--primary-light); box-shadow: 0 4px 16px rgba(11,79,108,0.3); }
.btn-run:active { transform: scale(0.98); }
.btn-run.running { background: var(--text-muted); cursor: not-allowed; }

/* Results column */
.results-col { display: flex; flex-direction: column; gap: 20px; }

/* Empty state */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 60px 20px; color: var(--text-muted); text-align: center; gap: 12px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.empty-state svg { opacity: 0.25; }
.empty-state p { font-size: 0.875rem; max-width: 260px; line-height: 1.6; }

/* ── Metric cards (SE + Freelance) ────────────────────────── */
.metric-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (max-width: 600px) { .metric-cards { grid-template-columns: 1fr; } }

.metric-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px 18px; box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden; transition: border-color var(--transition);
}
.metric-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.metric-card:hover { border-color: var(--primary-light); }

.metric-card .mc-label {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 8px;
}
.metric-card .mc-value {
  font-family: var(--font-display); font-size: 1.55rem;
  line-height: 1.1; margin-bottom: 4px; color: var(--text-primary);
}
.metric-card .mc-sub { font-size: 0.75rem; color: var(--text-secondary); }

/* Colour variants */
.metric-card.accent   { border-color: rgba(11,79,108,0.25); }
.metric-card.accent::before   { background: var(--primary); }
.metric-card.accent   .mc-value { color: var(--primary); }

.metric-card.positive { border-color: rgba(46,125,94,0.3); }
.metric-card.positive::before { background: var(--success); }
.metric-card.positive .mc-value { color: var(--success); }

.metric-card.negative { border-color: rgba(192,57,43,0.3); }
.metric-card.negative::before { background: var(--danger); }
.metric-card.negative .mc-value { color: var(--danger); }

.metric-card.warning  { border-color: rgba(212,136,26,0.3); }
.metric-card.warning::before  { background: var(--warning); }
.metric-card.warning  .mc-value { color: var(--warning); }

/* Probability bar */
.prob-bar-wrap {
  margin-top: 8px; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden;
}
.prob-bar-fill {
  height: 100%; border-radius: 2px; background: var(--success);
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
}

/* ── Chart panels (SE + Freelance) ─────────────────────────── */
.chart-panel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 24px; box-shadow: var(--shadow-sm);
}
.chart-title {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 16px;
}

/* Legend (SE + Freelance variant) */
.se-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; }
.se-legend-item { display: flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--text-secondary); }
.se-legend-dot   { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.se-legend-line  { width: 20px; height: 2px; border-radius: 1px; flex-shrink: 0; }

/* ── Erosion / Annual table ─────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table.se-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
table.se-table thead th {
  background: var(--primary-pale); color: var(--primary); font-weight: 600;
  padding: 10px 14px; text-align: right; font-family: var(--font-mono);
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; white-space: nowrap;
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1;
}
table.se-table thead th:first-child { text-align: left; }
table.se-table tbody td {
  padding: 9px 14px; border-bottom: 1px solid var(--border);
  text-align: right; color: var(--text-primary);
  font-family: var(--font-mono); font-size: 0.82rem; white-space: nowrap;
}
table.se-table tbody td:first-child { text-align: left; font-family: var(--font-body); color: var(--text-secondary); }
table.se-table tbody tr:last-child td { border-bottom: none; }
table.se-table tbody tr:hover td { background: var(--bg); }
table.se-table tbody tr:nth-child(even) td { background: rgba(11,79,108,0.018); }
table.se-table tbody tr:nth-child(even):hover td { background: var(--bg); }

/* Table cell colours */
.erosion-pos { color: var(--success) !important; font-weight: 600; }
.erosion-neg { color: var(--danger)  !important; font-weight: 600; }
.gap-neg     { color: var(--warning) !important; font-weight: 600; }

/* Donut + breakdown row (Freelance) */
.breakdown-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 600px) { .breakdown-row { grid-template-columns: 1fr; } }

/* ── Fade animations ───────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up   { animation: fadeUp 0.4s ease both; }
.fade-up-1 { animation-delay: 0.05s; }
.fade-up-2 { animation-delay: 0.10s; }
.fade-up-3 { animation-delay: 0.15s; }
.fade-up-4 { animation-delay: 0.20s; }
.fade-up-5 { animation-delay: 0.25s; }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Utility ───────────────────────────────────────────────── */
.text-right   { text-align: right; }
.mt-4  { margin-top: 4px; }  .mt-8  { margin-top: 8px; }  .mt-16 { margin-top: 16px; }
.mb-4  { margin-bottom: 4px; } .mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; }
.flex         { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8  { gap: 8px; }
.w-full { width: 100%; }
.text-muted { color: var(--text-muted); font-size: 0.82rem; }
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ── Print ─────────────────────────────────────────────────── */
@media print {
  .calc-body   { grid-template-columns: 1fr; }
  .calc-layout { grid-template-columns: 1fr; }
  aside, .panel { display: none; }
  .header-actions, .preset-bar, .btn-run { display: none; }
  .card, .chart-panel { box-shadow: none; break-inside: avoid; }
}