:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --subtle: #64748b;
  --border: #e2e8f0;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --brand-light: #ccfbf1;
  --brand-soft: #f0fdfa;
  --accent: #f59e0b;
  --accent-soft: #fef3c7;
  --success: #15803d;
  --success-bg: #dcfce7;
  --success-border: #86efac;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --warn-border: #fde047;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --danger-border: #fca5a5;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.48;
  font-size: 15px;
  padding-bottom: 64px;
}

.app-shell {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 12px;
}

/* Header */
.top-header {
  background: linear-gradient(135deg, #0f766e 0%, #065f46 100%);
  color: #ffffff;
  padding: 14px 12px 12px;
  border-bottom: 3px solid #facc15;
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.14);
}

.header-inner {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #ffffff;
  padding: 2px;
  flex-shrink: 0;
}

.brand-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
  line-height: 1.15;
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-free {
  background: #facc15;
  color: #0f172a;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 99px;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 12px;
  color: #ccfbf1;
  margin-top: 2px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.lang-toggle {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 99px;
  padding: 6px 11px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}

.lang-toggle:hover,
.lang-toggle:active {
  background: rgba(255, 255, 255, 0.28);
}

/* Navigation Tabs */
.nav-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 12px 0;
  background: #e2e8f0;
  padding: 5px;
  border-radius: 12px;
}

.tab-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  padding: 9px 4px;
  border-radius: 9px;
  cursor: pointer;
  text-align: center;
  line-height: 1.2;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.tab-btn .tab-icon {
  font-size: 15px;
}

.tab-btn.active {
  background: var(--card);
  color: var(--brand-dark);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.1);
}

.tab-tag {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 99px;
  font-weight: 800;
  text-transform: uppercase;
}

.tab-tag.free {
  background: #dcfce7;
  color: #15803d;
}

.tab-tag.pro {
  background: #fef3c7;
  color: #b45309;
}

/* Sections & Cards */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}

.card-desc {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* Presets Grid */
.preset-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

@media (min-width: 560px) {
  .preset-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

.preset-btn {
  background: #f8fafc;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 8px;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
}

.preset-btn:hover {
  border-color: var(--brand);
}

.preset-btn.active {
  background: var(--brand-soft);
  border-color: var(--brand);
  box-shadow: 0 0 0 1px var(--brand);
}

.preset-name {
  font-size: 13px;
  font-weight: 800;
  color: var(--text);
  display: block;
}

.preset-meta {
  font-size: 11px;
  color: var(--muted);
  display: block;
  margin-top: 2px;
}

/* Form Layout */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 720px) {
  .calc-grid {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: start;
  }
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

@media (max-width: 390px) {
  .input-row.stack-xs {
    grid-template-columns: 1fr;
  }
}

.field {
  margin-bottom: 10px;
}

.field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.field-hint {
  font-size: 11px;
  color: var(--subtle);
  font-weight: 500;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix,
.input-suffix {
  position: absolute;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  pointer-events: none;
}

.input-prefix {
  left: 10px;
}

.input-suffix {
  right: 10px;
}

input[type="number"],
input[type="text"],
select {
  width: 100%;
  padding: 9px 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s;
}

input.has-prefix {
  padding-left: 26px;
}

input.has-suffix {
  padding-right: 28px;
}

input:focus,
select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.15);
}

/* Range Slider */
.rts-slider-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 10px;
}

.rts-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.rts-val-badge {
  background: var(--brand);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  padding: 2px 9px;
  border-radius: 99px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--brand);
  cursor: pointer;
}

.rts-quick-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.chip-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 99px;
  padding: 4px 9px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
}

.chip-btn:hover,
.chip-btn.active {
  background: var(--brand-light);
  border-color: var(--brand);
  color: var(--brand-dark);
}

/* Collapsible details */
details.fee-details {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 11px;
  margin-top: 8px;
}

details.fee-details summary {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--brand-dark);
  cursor: pointer;
  user-select: none;
}

/* Results Card */
.result-panel {
  border: 2px solid var(--brand);
  background: #ffffff;
}

.health-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  font-weight: 800;
  font-size: 13.5px;
}

.health-banner.safe {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.health-banner.warn {
  background: var(--warn-bg);
  color: var(--warn);
  border: 1px solid var(--warn-border);
}

.health-banner.danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.hero-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.metric-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px;
}

.metric-box.primary {
  background: var(--brand-soft);
  border-color: #99f6e4;
}

.metric-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--muted);
  display: block;
}

.metric-value {
  font-size: 22px;
  font-weight: 900;
  color: var(--text);
  margin-top: 2px;
  letter-spacing: -0.5px;
}

.metric-sub {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--brand-dark);
  margin-top: 2px;
}

/* Breakdown Table */
.breakdown-list {
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
  padding: 8px 0;
  margin-bottom: 12px;
  font-size: 13px;
}

.bd-row {
  display: flex;
  justify-content: space-between;
  padding: 3.5px 0;
  color: var(--muted);
}

.bd-row.strong {
  font-weight: 800;
  color: var(--text);
}

.bd-row .neg {
  color: var(--danger);
}

.bd-row .pos {
  color: var(--success);
}

/* Daily Goal Targets */
.targets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.target-card {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  text-align: center;
}

.target-card.highlight {
  background: #fefce8;
  border-color: #fde047;
}

.target-goal {
  font-size: 11px;
  font-weight: 800;
  color: var(--muted);
}

.target-num {
  font-size: 17px;
  font-weight: 900;
  color: var(--brand-dark);
  margin: 2px 0;
}

.target-sub {
  font-size: 10.5px;
  color: var(--subtle);
}

/* Buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--brand);
  color: #ffffff;
  flex: 1;
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  background: #f1f5f9;
  color: var(--text);
  border: 1px solid #cbd5e1;
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}

/* Checklist & Risk Scorer (Tab 2) */
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  cursor: pointer;
  background: #ffffff;
  transition: background 0.12s;
}

.check-item:hover {
  background: #f8fafc;
}

.check-item.risk-flag {
  border-color: #fecaca;
  background: #fff5f5;
}

.check-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--brand);
  flex-shrink: 0;
}

.check-item.risk-flag input[type="checkbox"] {
  accent-color: var(--danger);
}

.check-text {
  flex: 1;
}

.check-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  display: block;
}

.check-sub {
  font-size: 11.5px;
  color: var(--muted);
}

.pts-pill {
  font-size: 11px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 99px;
  flex-shrink: 0;
}

.pts-pill.plus {
  background: #dcfce7;
  color: #15803d;
}

.pts-pill.minus {
  background: #fee2e2;
  color: #b91c1c;
}

.msg-preview-box {
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 13.5px;
  white-space: pre-wrap;
  color: #064e3b;
  margin: 10px 0;
  font-family: inherit;
}

/* Scripts Library (Tab 3) */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
}

.script-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 10px;
  background: #ffffff;
}

.script-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
}

.script-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
}

.script-badges {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.s-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 99px;
  background: #f1f5f9;
  color: var(--muted);
}

.s-badge.stage {
  background: var(--brand-light);
  color: var(--brand-dark);
}

.script-body {
  background: #f8fafc;
  border-left: 3px solid var(--brand);
  padding: 10px;
  border-radius: 0 8px 8px 0;
  font-size: 13.5px;
  white-space: pre-wrap;
  color: var(--text);
  margin-bottom: 8px;
}

.script-why {
  font-size: 11.5px;
  color: var(--muted);
}

/* Reference Tables (Tab 4) */
.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 8px;
}

.ref-table th,
.ref-table td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
}

.ref-table th {
  background: #f8fafc;
  font-weight: 800;
  color: var(--text);
}

.disclaimer-box {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  margin-top: 12px;
}

/* Saved Presets List */
.saved-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #0f172a;
  color: #ffffff;
  padding: 10px 18px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: transform 0.22s ease;
  z-index: 100;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}