/* ══════════════════════════════════════════════════════════════
   UK Concrete Calculator Pro — Frontend Styles
   Theme: Industrial Dark | Accent: Neon Emerald
   Font: Syne (display) + DM Sans (body) + JetBrains Mono (data)
   ══════════════════════════════════════════════════════════════ */

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

/* ── CSS Custom Properties ── */
.ukcc-wrap {
  --ukcc-bg:        #0f172a;
  --ukcc-surface:   #1e293b;
  --ukcc-surface2:  #263348;
  --ukcc-border:    #334155;
  --ukcc-accent:    #10b981;
  --ukcc-accent2:   #059669;
  --ukcc-accent-glow: rgba(16,185,129,.25);
  --ukcc-text:      #f1f5f9;
  --ukcc-text-muted:#94a3b8;
  --ukcc-text-dim:  #64748b;
  --ukcc-danger:    #ef4444;
  --ukcc-warning:   #f59e0b;
  --ukcc-radius:    12px;
  --ukcc-radius-sm: 8px;
  --ukcc-shadow:    0 4px 24px rgba(0,0,0,.4);
  --ukcc-font:      'DM Sans', sans-serif;
  --ukcc-font-head: 'Syne', sans-serif;
  --ukcc-font-mono: 'JetBrains Mono', monospace;
}

/* Light mode overrides */
.ukcc-wrap:not(.ukcc-dark) {
  --ukcc-bg:        #f0f4f8;
  --ukcc-surface:   #ffffff;
  --ukcc-surface2:  #f8fafc;
  --ukcc-border:    #e2e8f0;
  --ukcc-text:      #0f172a;
  --ukcc-text-muted:#475569;
  --ukcc-text-dim:  #94a3b8;
  --ukcc-shadow:    0 4px 24px rgba(0,0,0,.08);
}

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

.ukcc-wrap {
  font-family: var(--ukcc-font);
  background: var(--ukcc-bg);
  color: var(--ukcc-text);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--ukcc-shadow);
  max-width: 820px;
  margin: 2rem auto;
  position: relative;
}

/* ── HEADER ── */
.ukcc-header {
  background: linear-gradient(135deg, #0f2027 0%, #1e293b 60%, #0d1f2d 100%);
  padding: 1.5rem 2rem 1rem;
  position: relative;
  border-bottom: 1px solid var(--ukcc-border);
}

.ukcc-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.ukcc-logo-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ukcc-logo-icon { width: 44px; height: 44px; flex-shrink: 0; }
.ukcc-logo-icon svg { width: 100%; height: 100%; }

.ukcc-title {
  font-family: var(--ukcc-font-head);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 800;
  color: #f1f5f9;
  letter-spacing: -0.02em;
}

.ukcc-subtitle {
  font-size: .75rem;
  color: var(--ukcc-accent);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.ukcc-header-actions {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}

.ukcc-icon-btn {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius-sm);
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s;
}
.ukcc-icon-btn:hover { background: var(--ukcc-surface2); border-color: var(--ukcc-accent); }

.ukcc-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(16,185,129,.15);
  color: var(--ukcc-accent);
  border: 1px solid rgba(16,185,129,.3);
  border-radius: 100px;
  padding: 4px 10px;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .04em;
}

.ukcc-badge-flag {
  background: rgba(255,255,255,.08);
  color: var(--ukcc-text);
  border-color: var(--ukcc-border);
}

/* Progress bar */
.ukcc-progress-bar {
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ukcc-accent), #3b82f6);
  transition: width .5s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 12px var(--ukcc-accent-glow);
}

/* ── TABS ── */
.ukcc-tabs {
  display: flex;
  align-items: center;
  background: var(--ukcc-surface);
  padding: 1rem 2rem;
  gap: 0;
  border-bottom: 1px solid var(--ukcc-border);
}

.ukcc-tab {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: none;
  border: none;
  color: var(--ukcc-text-muted);
  font-family: var(--ukcc-font);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  padding: .5rem .75rem;
  border-radius: var(--ukcc-radius-sm);
  transition: color .2s, background .2s;
  white-space: nowrap;
}

.ukcc-tab.active {
  color: var(--ukcc-accent);
  background: var(--ukcc-accent-glow);
}

.ukcc-tab-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ukcc-border);
  color: var(--ukcc-text-muted);
  font-size: .7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s;
}

.ukcc-tab.active .ukcc-tab-num {
  background: var(--ukcc-accent);
  color: #fff;
}

.ukcc-tab-divider {
  flex: 1;
  height: 1px;
  background: var(--ukcc-border);
  max-width: 60px;
  margin: 0 .5rem;
  transition: background .4s;
}

.ukcc-tab-divider.active { background: var(--ukcc-accent); }

/* ── STEP CONTENT ── */
.ukcc-step {
  padding: 1.5rem 2rem 2rem;
  background: var(--ukcc-bg);
}

.ukcc-section-label {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ukcc-text-dim);
  text-transform: uppercase;
  margin-bottom: .75rem;
}

/* ── SHAPE GRID ── */
.ukcc-shape-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .75rem;
  margin-bottom: 1.5rem;
}

.ukcc-shape-card {
  background: var(--ukcc-surface);
  border: 2px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  padding: 1rem .75rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  transition: border-color .2s, background .2s, transform .15s, box-shadow .2s;
  text-align: center;
}

.ukcc-shape-card:hover {
  border-color: var(--ukcc-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--ukcc-accent-glow);
}

.ukcc-shape-card.active {
  border-color: var(--ukcc-accent);
  background: rgba(16,185,129,.08);
  box-shadow: 0 0 0 3px var(--ukcc-accent-glow);
}

.ukcc-shape-icon { width: 48px; height: 48px; }
.ukcc-shape-icon svg { width: 100%; height: 100%; }

.ukcc-shape-name {
  font-size: .8rem;
  font-weight: 600;
  color: var(--ukcc-text);
}

/* ── UNIT ROW ── */
.ukcc-unit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.25rem;
}

.ukcc-row { display: flex; align-items: center; gap: 1rem; }

.ukcc-toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
}

.ukcc-toggle-btn {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: 100px;
  color: var(--ukcc-text-muted);
  font-family: var(--ukcc-font);
  font-size: .8rem;
  font-weight: 500;
  padding: .375rem .875rem;
  cursor: pointer;
  transition: all .15s;
}

.ukcc-toggle-btn:hover { border-color: var(--ukcc-accent); color: var(--ukcc-accent); }
.ukcc-toggle-btn.active {
  background: var(--ukcc-accent);
  border-color: var(--ukcc-accent);
  color: #fff;
}

/* ── INPUTS ── */
.ukcc-inputs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: .875rem;
  margin-bottom: 1.25rem;
}

.ukcc-input-card {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  padding: 1rem;
  transition: border-color .2s;
}

.ukcc-input-card:focus-within {
  border-color: var(--ukcc-accent);
  box-shadow: 0 0 0 3px var(--ukcc-accent-glow);
}

.ukcc-label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--ukcc-text-muted);
  margin-bottom: .5rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.ukcc-unit-tag {
  color: var(--ukcc-accent);
  font-family: var(--ukcc-font-mono);
  font-size: .7rem;
}

.ukcc-input {
  width: 100%;
  background: var(--ukcc-surface2);
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius-sm);
  color: var(--ukcc-text);
  font-family: var(--ukcc-font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  padding: .6rem .75rem;
  outline: none;
  transition: border-color .2s, background .2s;
  -moz-appearance: textfield;
}

.ukcc-input::-webkit-inner-spin-button,
.ukcc-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.ukcc-input:focus {
  border-color: var(--ukcc-accent);
  background: var(--ukcc-surface);
  box-shadow: 0 0 0 3px var(--ukcc-accent-glow);
}

.ukcc-hint {
  font-size: .7rem;
  color: var(--ukcc-text-dim);
  margin-top: .375rem;
  line-height: 1.4;
}

/* ── LIVE VOLUME ── */
.ukcc-live-vol {
  background: linear-gradient(135deg, rgba(16,185,129,.1), rgba(5,150,105,.05));
  border: 1px solid rgba(16,185,129,.3);
  border-radius: var(--ukcc-radius);
  padding: 1.25rem 1.5rem;
  text-align: center;
  margin: 1.25rem 0;
  animation: ukcc-pulse-border 2s ease-in-out infinite;
}

@keyframes ukcc-pulse-border {
  0%,100% { border-color: rgba(16,185,129,.3); }
  50%      { border-color: rgba(16,185,129,.7); }
}

.ukcc-live-vol-label { font-size: .7rem; font-weight: 700; letter-spacing: .1em; color: var(--ukcc-accent); text-transform: uppercase; }
.ukcc-live-vol-val   { font-family: var(--ukcc-font-head); font-size: 2.5rem; font-weight: 800; color: var(--ukcc-accent); margin: .25rem 0; line-height: 1; }
.ukcc-live-vol-sub   { font-family: var(--ukcc-font-mono); font-size: .8rem; color: var(--ukcc-text-muted); }

/* ── MIX GRID ── */
.ukcc-mix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: .75rem;
}

.ukcc-mix-card {
  background: var(--ukcc-surface);
  border: 2px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  padding: .875rem 1rem;
  cursor: pointer;
  text-align: left;
  transition: all .2s;
}

.ukcc-mix-card:hover   { border-color: var(--ukcc-accent); transform: translateY(-1px); }
.ukcc-mix-card.active  { border-color: var(--ukcc-accent); background: rgba(16,185,129,.08); }

.ukcc-mix-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: .4rem;
}

.ukcc-mix-key {
  font-family: var(--ukcc-font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--ukcc-accent);
}

.ukcc-mix-strength {
  font-family: var(--ukcc-font-mono);
  font-size: .65rem;
  color: var(--ukcc-text-dim);
}

.ukcc-mix-desc {
  font-size: .75rem;
  color: var(--ukcc-text);
  font-weight: 500;
  margin-bottom: .25rem;
  line-height: 1.3;
}

.ukcc-mix-ratio {
  font-family: var(--ukcc-font-mono);
  font-size: .65rem;
  color: var(--ukcc-text-dim);
}

/* ── WASTE ── */
.ukcc-waste-row {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}

.ukcc-waste-btn {
  background: var(--ukcc-surface);
  border: 2px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  padding: .75rem 1.25rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
  min-width: 90px;
  transition: all .2s;
}

.ukcc-waste-btn:hover  { border-color: var(--ukcc-accent); }
.ukcc-waste-btn.active { border-color: var(--ukcc-accent); background: rgba(16,185,129,.08); }

.ukcc-waste-pct  { font-family: var(--ukcc-font-head); font-size: 1.25rem; font-weight: 800; color: var(--ukcc-text); }
.ukcc-waste-desc { font-size: .7rem; color: var(--ukcc-text-muted); font-weight: 500; }

.ukcc-waste-btn.active .ukcc-waste-pct { color: var(--ukcc-accent); }

/* ── STEP NAV ── */
.ukcc-step-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ukcc-border);
}

/* ── BUTTONS ── */
.ukcc-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: linear-gradient(135deg, var(--ukcc-accent), var(--ukcc-accent2));
  color: #fff;
  border: none;
  border-radius: var(--ukcc-radius-sm);
  font-family: var(--ukcc-font);
  font-size: .9rem;
  font-weight: 600;
  padding: .75rem 1.5rem;
  cursor: pointer;
  transition: opacity .2s, transform .15s, box-shadow .2s;
  text-decoration: none;
}

.ukcc-btn-primary:hover {
  opacity: .9;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(16,185,129,.35);
}

.ukcc-btn-primary:disabled { opacity: .4; cursor: not-allowed; transform: none; }

.ukcc-btn-ghost {
  background: none;
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius-sm);
  color: var(--ukcc-text-muted);
  font-family: var(--ukcc-font);
  font-size: .875rem;
  font-weight: 500;
  padding: .75rem 1.25rem;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}

.ukcc-btn-ghost:hover { border-color: var(--ukcc-accent); color: var(--ukcc-accent); }

.ukcc-btn-secondary {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius-sm);
  color: var(--ukcc-text);
  font-family: var(--ukcc-font);
  font-size: .875rem;
  font-weight: 500;
  padding: .75rem 1.25rem;
  cursor: pointer;
  transition: all .2s;
}

.ukcc-btn-secondary:hover { border-color: var(--ukcc-accent); color: var(--ukcc-accent); }

.ukcc-btn-tiny {
  background: var(--ukcc-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: .3rem .6rem;
  font-size: .7rem;
  cursor: pointer;
  font-family: var(--ukcc-font);
  font-weight: 600;
}

/* ── RESULTS HERO ── */
.ukcc-results-hero {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: .875rem;
  margin-bottom: 1.5rem;
}

.ukcc-result-card {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: border-color .2s;
}

.ukcc-result-card.ukcc-result-primary {
  border-color: var(--ukcc-accent);
  background: rgba(16,185,129,.06);
  box-shadow: 0 0 20px rgba(16,185,129,.1);
}

.ukcc-result-icon { font-size: 1.5rem; margin-bottom: .5rem; }
.ukcc-result-val  { font-family: var(--ukcc-font-head); font-size: 1.15rem; font-weight: 800; color: var(--ukcc-text); word-break: break-word; }
.ukcc-result-label { font-size: .7rem; color: var(--ukcc-text-muted); margin-top: .25rem; }

.ukcc-result-primary .ukcc-result-val { color: var(--ukcc-accent); }

/* ── CHART ── */
.ukcc-chart-wrap {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

#ukcc-pie-chart { max-width: 180px; max-height: 180px; }

.ukcc-chart-legend { flex: 1; min-width: 160px; }
.ukcc-legend-item  { display: flex; align-items: center; gap: .6rem; font-size: .85rem; color: var(--ukcc-text); margin-bottom: .6rem; }
.ukcc-legend-dot   { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; }

/* ── TABLE ── */
.ukcc-table-wrap {
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.ukcc-table-header {
  background: var(--ukcc-surface);
  padding: .875rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: background .2s;
}

.ukcc-table-header:hover { background: var(--ukcc-surface2); }

.ukcc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}

.ukcc-table td {
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--ukcc-border);
  color: var(--ukcc-text);
}

.ukcc-table td:first-child { color: var(--ukcc-text-muted); font-weight: 500; width: 50%; }
.ukcc-table td:last-child  { font-family: var(--ukcc-font-mono); font-weight: 500; }

.ukcc-table tr:hover td { background: var(--ukcc-surface2); }

.ukcc-table-total td {
  background: rgba(16,185,129,.08) !important;
  color: var(--ukcc-accent) !important;
  font-weight: 700 !important;
  font-size: .95rem !important;
}

/* ── MIX INFO ── */
.ukcc-mix-info-card {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-left: 3px solid var(--ukcc-accent);
  border-radius: var(--ukcc-radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.ukcc-mix-info-title {
  font-family: var(--ukcc-font-head);
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: .75rem;
  color: var(--ukcc-accent);
}

.ukcc-mix-info-body {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: .5rem;
  font-size: .82rem;
  color: var(--ukcc-text-muted);
}

.ukcc-mix-info-body b { color: var(--ukcc-text); }

/* ── SUPPLIERS ── */
.ukcc-suppliers { margin-bottom: 1.5rem; }

.ukcc-supplier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
}

@media (max-width: 480px) { .ukcc-supplier-grid { grid-template-columns: 1fr; } }

.ukcc-supplier-card {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  padding: 1rem;
  text-align: center;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  transition: all .2s;
}

.ukcc-supplier-card:hover {
  border-color: var(--ukcc-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--ukcc-accent-glow);
}

.ukcc-supplier-card.disabled { opacity: .4; pointer-events: none; }

.ukcc-supplier-logo  { font-size: 1.75rem; }
.ukcc-supplier-name  { font-size: .8rem; font-weight: 700; color: var(--ukcc-text); }
.ukcc-supplier-action{ font-size: .75rem; color: var(--ukcc-accent); font-weight: 600; }

/* ── ACTIONS ── */
.ukcc-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1.25rem;
}

/* ── SHARE ── */
.ukcc-share-panel {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: var(--ukcc-radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.ukcc-share-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 1rem;
}

.ukcc-share-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--ukcc-surface2);
  border: 1px solid var(--ukcc-border);
  border-radius: 8px;
  color: var(--ukcc-text);
  font-family: var(--ukcc-font);
  font-size: .82rem;
  font-weight: 600;
  padding: .5rem 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: all .2s;
}

.ukcc-share-btn:hover { border-color: var(--ukcc-accent); color: var(--ukcc-accent); }
.ukcc-share-wa:hover  { border-color: #25d366; color: #25d366; }
.ukcc-share-fb:hover  { border-color: #1877f2; color: #1877f2; }

.ukcc-embed-box {
  background: var(--ukcc-bg);
  border: 1px solid var(--ukcc-border);
  border-radius: 8px;
  padding: .75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.ukcc-embed-box code {
  font-family: var(--ukcc-font-mono);
  font-size: .75rem;
  color: var(--ukcc-text-muted);
  word-break: break-all;
}

/* ── FOOTER ── */
.ukcc-footer {
  padding: .875rem 2rem;
  background: var(--ukcc-surface);
  border-top: 1px solid var(--ukcc-border);
  text-align: center;
}

.ukcc-powered {
  font-size: .75rem;
  color: var(--ukcc-text-dim);
  text-decoration: none;
  transition: color .2s;
}

.ukcc-powered:hover { color: var(--ukcc-accent); }

/* ── MODAL / OVERLAY ── */
.ukcc-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.ukcc-modal {
  background: var(--ukcc-surface);
  border: 1px solid var(--ukcc-border);
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 440px;
  width: 100%;
  position: relative;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
  animation: ukcc-modal-in .3s cubic-bezier(.34,1.56,.64,1);
}

@keyframes ukcc-modal-in {
  from { opacity:0; transform:scale(.85) translateY(20px); }
  to   { opacity:1; transform:scale(1) translateY(0); }
}

.ukcc-modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--ukcc-surface2);
  border: 1px solid var(--ukcc-border);
  border-radius: 50%;
  width: 32px; height: 32px;
  cursor: pointer;
  font-size: .9rem;
  color: var(--ukcc-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}

.ukcc-modal-close:hover { color: var(--ukcc-text); border-color: var(--ukcc-accent); }

.ukcc-modal-icon  { font-size: 2.5rem; margin-bottom: .75rem; }
.ukcc-modal-title { font-family: var(--ukcc-font-head); font-size: 1.5rem; font-weight: 800; margin-bottom: 1rem; }

.ukcc-modal-list {
  text-align: left;
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.ukcc-modal-list li {
  padding: .4rem 0;
  font-size: .9rem;
  color: var(--ukcc-text);
  border-bottom: 1px solid var(--ukcc-border);
}

.ukcc-modal-list li:last-child { border: none; }

.ukcc-modal-price {
  font-family: var(--ukcc-font-head);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ukcc-accent);
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .ukcc-header { padding: 1.25rem 1.25rem .875rem; }
  .ukcc-step   { padding: 1.25rem 1.25rem 1.5rem; }
  .ukcc-tabs   { padding: .875rem 1.25rem; gap: .25rem; }
  .ukcc-tab    { font-size: .78rem; padding: .4rem .5rem; }
  .ukcc-results-hero { grid-template-columns: repeat(2,1fr); }
  .ukcc-chart-wrap   { flex-direction: column; align-items: flex-start; }
  #ukcc-pie-chart    { max-width: 140px; }
}

/* ── TRANSITIONS (Alpine) ── */
[x-cloak] { display: none !important; }

.ukcc-wrap [x-transition\.opacity] {
  transition: opacity .25s ease;
}