/* ===== QUOTECREW Calculator — Shared Styles ===== */
/* Extends the Portal design system (demo-dashboard/styles.css) */

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

:root {
  --color-bg:        #f4f6f9;
  --color-surface:   #ffffff;
  --color-primary:   #1a2b4a;
  --color-accent:    #2563eb;
  --color-accent-light: #dbeafe;
  --color-text:      #1e293b;
  --color-text-secondary: #64748b;
  --color-border:    #e2e8f0;
  --color-success:   #16a34a;
  --color-success-bg:#dcfce7;
  --color-warning:   #d97706;
  --color-warning-bg:#fef3c7;
  --color-danger:    #dc2626;
  --color-danger-bg: #fee2e2;
  --radius:          8px;
  --radius-lg:       12px;
  --shadow-sm:       0 1px 3px rgba(0,0,0,.06);
  --shadow-md:       0 4px 12px rgba(0,0,0,.08);
  --font:            'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width:       1280px;
}

html { font-size: 15px; }
body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Header ---------- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--color-primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 1rem; }
.logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  color: #fff;
}
.logo-text { font-size: 1.25rem; font-weight: 700; letter-spacing: .04em; }
.header-subtitle { font-size: .8rem; opacity: .7; }
.header-right { display: flex; align-items: center; gap: 1rem; }

.portal-nav { display: flex; align-items: center; gap: .25rem; }
.portal-nav-link,
.portal-nav-link:link,
.portal-nav-link:visited {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-size: .75rem;
  padding: .25rem .6rem;
  border-radius: 4px;
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.portal-nav-link:hover { color: #fff; background: rgba(255,255,255,.1); }
.portal-nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.15);
  font-weight: 600;
}

/* ---------- Main Container ---------- */
.main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
}

/* ---------- Section Header ---------- */
.section-header { margin-bottom: 1.5rem; }
.section-header h1 { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); }
.section-subtitle { font-size: .9rem; color: var(--color-text-secondary); margin-top: .25rem; }
.period-badge {
  display: inline-block;
  font-size: .7rem;
  color: var(--color-text-secondary);
  background: #f1f5f9;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: .15rem .55rem;
  margin-top: .35rem;
  font-weight: 500;
  letter-spacing: .02em;
}

/* ---------- Cards ---------- */
.card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.card-wide { grid-column: 1 / -1; }
.card-title { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; color: var(--color-primary); }

/* ---------- Currency Selector ---------- */
.currency-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.5rem;
  padding: .75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.currency-selector {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.currency-selector label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.currency-select {
  padding: .4rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .85rem;
  font-family: var(--font);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font-weight: 600;
  transition: border-color .2s;
}
.currency-select:focus {
  outline: none;
  border-color: var(--color-accent);
}
.exchange-rate-info {
  font-size: .72rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: .35rem;
}
.exchange-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  display: inline-block;
}
.exchange-dot.stale { background: var(--color-warning); }
.exchange-dot.error { background: var(--color-danger); }

/* ---------- Language Toggle ---------- */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-left: .5rem;
}
.lang-btn {
  padding: .35rem .6rem;
  font-size: .78rem;
  font-weight: 600;
  font-family: var(--font);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: none;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.lang-btn + .lang-btn { border-left: 1px solid var(--color-border); }
.lang-btn.active {
  background: var(--color-accent);
  color: #fff;
}
.lang-btn:hover:not(.active) { background: #f1f5f9; }

/* ---------- Site Navigation Links ---------- */
.site-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.site-nav-link,
.site-nav-link:link,
.site-nav-link:visited {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-size: .75rem;
  padding: .25rem .6rem;
  border-radius: 4px;
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.site-nav-link:hover { color: #fff; background: rgba(255,255,255,.1); }
.nav-divider {
  width: 1px;
  height: 16px;
  background: rgba(255,255,255,.2);
  margin: 0 .15rem;
}

/* ---------- Calculator Inputs ---------- */
.calc-inputs { display: flex; flex-direction: column; gap: 1.25rem; }
.slider-group { display: flex; flex-direction: column; gap: .35rem; }
.slider-header { display: flex; justify-content: space-between; align-items: baseline; }
.slider-label { font-size: .85rem; color: var(--color-text-secondary); }
.slider-value { font-size: 1rem; font-weight: 700; color: var(--color-primary); }
.slider-input {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--color-border);
  outline: none;
}
.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.slider-input::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}

.input-group { display: flex; flex-direction: column; gap: .35rem; }
.input-label { font-size: .85rem; color: var(--color-text-secondary); font-weight: 500; }
.input-field {
  padding: .6rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: var(--font);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
  transition: border-color .2s;
}
.input-field:focus {
  outline: none;
  border-color: var(--color-accent);
}
.input-hint { font-size: .72rem; color: var(--color-text-secondary); }

/* ---------- KPI Metrics Grid ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .15s;
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.kpi-card.kpi-highlight {
  border-left: 3px solid var(--color-accent);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-accent-light) 100%);
}
.kpi-card.kpi-success {
  border-left: 3px solid var(--color-success);
}
.kpi-card.kpi-warning {
  border-left: 3px solid var(--color-warning);
}
.kpi-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
}
.kpi-icon.icon-success { background: var(--color-success-bg); color: var(--color-success); }
.kpi-icon.icon-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.kpi-label { font-size: .78rem; color: var(--color-text-secondary); }
.kpi-value { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); line-height: 1.1; }
.kpi-sub { font-size: .72rem; color: var(--color-text-secondary); }

/* ---------- Chart Container ---------- */
.chart-section {
  margin-bottom: 1.5rem;
}
.chart-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.chart-card .card-title { margin-bottom: .75rem; }
.chart-container {
  position: relative;
  width: 100%;
  height: 300px;
}
.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}
.chart-legend {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: .75rem;
  flex-wrap: wrap;
}
.chart-legend-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  color: var(--color-text-secondary);
}
.chart-legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

/* ---------- Calculator Navigation ---------- */
.calc-nav {
  display: flex;
  gap: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.5rem;
  overflow-x: auto;
  position: sticky;
  top: 54px;
  z-index: 90;
}
.calc-nav-link {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .75rem 1.25rem;
  border: none;
  background: none;
  cursor: pointer;
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s, border-color .2s;
  font-family: var(--font);
}
.calc-nav-link:hover { color: var(--color-accent); }
.calc-nav-link.active { color: var(--color-accent); border-bottom-color: var(--color-accent); font-weight: 600; }

/* ---------- Footer ---------- */
.footer {
  text-align: center;
  padding: 1rem 1.5rem;
  font-size: .75rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .card-row { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
    padding: .75rem 1rem;
    gap: .35rem;
  }
  .header-left { flex-direction: column; align-items: flex-start; gap: .25rem; width: 100%; }
  .header-right { width: 100%; justify-content: flex-start; gap: .5rem; flex-wrap: wrap; }
  .portal-nav { flex-wrap: wrap; }
  .site-nav { flex-wrap: wrap; }
  .calc-nav { position: sticky; top: 0; }
  .currency-bar { flex-direction: column; align-items: flex-start; }
  .chart-container { height: 250px; }
}
@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .calc-nav-link { padding: .6rem .75rem; font-size: .8rem; }
}