/* Financial Calculator — responsive, mobile-first (≥360px) */
* { box-sizing: border-box; }
:root {
  --c-bg: #f6f8fa;
  --c-panel: #ffffff;
  --c-text: #1c2733;
  --c-muted: #5b6b7b;
  --c-border: #d8dfe6;
  --c-accent: #1663c7;
  --c-accent-dark: #0f4d9e;
  --c-crit-bg: #fdecea;
  --c-crit-border: #d93025;
  --c-warn-bg: #fef3e0;
  --c-warn-border: #e8710a;
  --c-good-bg: #e6f4ea;
  --c-good-border: #1e8e3e;
  --c-info-bg: #e8f0fe;
  --c-info-border: #1663c7;
}
html { font-size: 16px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.45;
}
main { max-width: 880px; margin: 0 auto; padding: 0 12px 48px; }

.app-header { position: relative; text-align: center; padding: 20px 12px 8px; }
.app-header h1 { margin: 0 0 4px; font-size: 1.5rem; }
.subtitle { margin: 0; color: var(--c-muted); font-size: 0.95rem; }

.lang-switch {
  position: absolute; top: 10px; right: 10px; display: inline-flex;
  border: 1px solid var(--c-border); border-radius: 999px; overflow: hidden;
  background: var(--c-panel); box-shadow: 0 1px 3px rgba(28, 39, 51, 0.08);
}
.lang-btn {
  padding: 4px 10px; border: none; background: transparent; color: var(--c-muted);
  cursor: pointer; font-size: 0.75rem; font-weight: 600; line-height: 1.4;
}
.lang-btn[aria-pressed="true"] { background: var(--c-accent); color: #fff; border-radius: 999px; }
.lang-btn:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 1px; }
@media (max-width: 480px) {
  .app-header { padding-top: 40px; }
  .lang-btn { padding: 3px 9px; font-size: 0.72rem; }
}

/* ---- "Need help?" floating button + modal ---- */
.help-fab {
  position: fixed; right: 14px; bottom: 14px; z-index: 40;
  padding: 11px 18px; border: none; border-radius: 999px; cursor: pointer;
  background: #17a34a; color: #fff; font-size: 0.9rem; font-weight: 700;
  box-shadow: 0 4px 14px rgba(23, 163, 74, 0.4);
}
.help-fab:hover { background: #128a3e; }
.help-fab:focus-visible { outline: 3px solid #0b6e30; outline-offset: 2px; }


.steps-nav {
  display: flex; gap: 4px; overflow-x: auto;
  max-width: 880px; margin: 12px auto; padding: 0 12px;
}
.step-btn {
  flex: 1 0 auto; padding: 8px 10px; border: 1px solid var(--c-border);
  background: var(--c-panel); border-radius: 8px; cursor: pointer;
  font-size: 0.85rem; color: var(--c-muted); white-space: nowrap;
}
.step-btn.active { border-color: var(--c-accent); color: var(--c-accent); font-weight: 600; }
.step-btn:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 1px; }

.step-panel {
  background: var(--c-panel); border: 1px solid var(--c-border);
  border-radius: 12px; padding: 20px 16px; margin-bottom: 16px;
}
.step-panel h2 { margin-top: 0; font-size: 1.2rem; }

.archetype-grid { display: grid; grid-template-columns: 1fr; gap: 8px; margin-bottom: 16px; }
@media (min-width: 560px) { .archetype-grid { grid-template-columns: 1fr 1fr; } }
.archetype-card {
  display: flex; flex-direction: column; gap: 3px;
  padding: 12px 14px; border: 2px solid var(--c-border); border-radius: 10px;
  background: var(--c-panel); cursor: pointer; text-align: left; font-size: 0.95rem;
}
.archetype-card-title { font-weight: 600; }
.archetype-card-desc { font-size: 0.8rem; color: var(--c-muted); font-weight: 400; }
.archetype-card[aria-checked="true"] { border-color: var(--c-accent); background: var(--c-info-bg); }
.archetype-card[aria-checked="true"] .archetype-card-desc { color: var(--c-text); }
.archetype-card:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 1px; }

#archetype-help { margin-bottom: 16px; }
#archetype-help-list { margin: 6px 0 0; padding-left: 18px; font-size: 0.88rem; color: var(--c-muted); }
#archetype-help-list li { margin-bottom: 4px; }

.field-row { margin-bottom: 14px; }
.field-row label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap input { flex: 1; }
.currency-suffix {
  position: absolute; right: 10px; color: var(--c-muted); font-size: 0.85rem;
  pointer-events: none;
}
input[type="number"], select {
  width: 100%; padding: 9px 44px 9px 10px; font-size: 1rem;
  border: 1px solid var(--c-border); border-radius: 8px; background: #fff; color: var(--c-text);
}
select { padding-right: 10px; }
input[type="number"]:focus, select:focus { outline: 2px solid var(--c-accent); border-color: var(--c-accent); }
input.invalid { border-color: var(--c-crit-border); background: var(--c-crit-bg); }

.field-error { color: var(--c-crit-border); font-size: 0.82rem; margin: 4px 0 0; }
.field-note { color: var(--c-muted); font-size: 0.85rem; margin: 4px 0 0; }

.tooltip-trigger {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; margin-left: 6px; border-radius: 50%;
  background: var(--c-border); color: var(--c-muted); font-size: 0.75rem;
  cursor: help; position: relative; font-weight: 700; vertical-align: middle;
}
.tooltip-body {
  display: none; position: absolute; z-index: 20; left: 50%; bottom: 130%;
  transform: translateX(-50%); width: 240px; padding: 8px 10px;
  background: var(--c-text); color: #fff; font-size: 0.8rem; font-weight: 400;
  border-radius: 8px; line-height: 1.35;
}
.tooltip-trigger:hover .tooltip-body,
.tooltip-trigger:focus .tooltip-body { display: block; }

.accordion { border: 1px solid var(--c-border); border-radius: 10px; margin: 14px 0; padding: 0 14px; background: #fbfcfd; }
.accordion summary { padding: 12px 0; cursor: pointer; font-weight: 600; font-size: 0.95rem; }
.accordion[open] { padding-bottom: 10px; }

.primary-btn {
  display: inline-block; padding: 12px 22px; font-size: 1rem; font-weight: 600;
  background: var(--c-accent); color: #fff; border: none; border-radius: 10px; cursor: pointer;
}
.primary-btn:hover { background: var(--c-accent-dark); }
.primary-btn:disabled { background: var(--c-border); color: var(--c-muted); cursor: not-allowed; }
.primary-btn:focus-visible { outline: 2px solid var(--c-accent-dark); outline-offset: 2px; }

.results-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 14px 0; }
@media (min-width: 620px) { .results-grid { grid-template-columns: 1fr 1fr; } }
.result-card {
  border: 1px solid var(--c-border); border-radius: 10px; padding: 12px 14px; background: #fff;
}
.result-card.negative { border-color: var(--c-crit-border); background: var(--c-crit-bg); }
.result-card .r-title { font-size: 0.85rem; color: var(--c-muted); display: flex; align-items: center; }
.result-card .r-value { font-size: 1.35rem; font-weight: 700; margin: 2px 0; word-break: break-word; }
.result-card .r-explain { font-size: 0.82rem; color: var(--c-muted); margin: 0; }

.warnings-block { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.warning-item {
  border-left: 4px solid; border-radius: 8px; padding: 10px 12px; font-size: 0.9rem;
  display: flex; gap: 8px; align-items: flex-start;
}
.warning-item .w-tag { font-weight: 700; font-size: 0.75rem; text-transform: uppercase; flex-shrink: 0; margin-top: 2px; }
.warning-item.level-CRITICAL { background: var(--c-crit-bg); border-color: var(--c-crit-border); }
.warning-item.level-CRITICAL .w-tag { color: var(--c-crit-border); }
.warning-item.level-WARNING { background: var(--c-warn-bg); border-color: var(--c-warn-border); }
.warning-item.level-WARNING .w-tag { color: var(--c-warn-border); }
.warning-item.level-GOOD { background: var(--c-good-bg); border-color: var(--c-good-border); }
.warning-item.level-GOOD .w-tag { color: var(--c-good-border); }
.warning-item.level-INFO { background: var(--c-info-bg); border-color: var(--c-info-border); }
.warning-item.level-INFO .w-tag { color: var(--c-info-border); }

.validation-summary {
  background: var(--c-warn-bg); border: 1px solid var(--c-warn-border);
  border-radius: 8px; padding: 10px 12px; font-size: 0.9rem; margin-bottom: 12px;
}

.disclaimer { color: var(--c-muted); font-size: 0.82rem; }

.mode-select { border: 1px solid var(--c-border); border-radius: 10px; padding: 10px 14px; margin: 14px 0; }
.mode-select legend { font-weight: 600; font-size: 0.9rem; padding: 0 4px; }
.mode-select label { display: block; padding: 6px 0; font-size: 0.95rem; cursor: pointer; }
.checkbox-row { display: block; font-size: 0.9rem; margin: 10px 0; cursor: pointer; }

.scenario-controls { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 16px; }
@media (min-width: 700px) { .scenario-controls { grid-template-columns: 1fr 1fr; } }
.scenario-box { border: 1px solid var(--c-border); border-radius: 10px; padding: 12px 14px; }
.scenario-box h3 { margin: 0 0 8px; font-size: 1rem; }
.scenario-box .slider-row { margin-bottom: 10px; }
.scenario-box .slider-row label { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 2px; }
.scenario-box input[type="range"] { width: 100%; }
.scenario-hint { color: var(--c-muted); font-size: 0.78rem; }

.table-scroll { overflow-x: auto; }
.scenario-table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 0.88rem; }
.scenario-table th, .scenario-table td { border: 1px solid var(--c-border); padding: 7px 10px; text-align: right; }
.scenario-table th:first-child, .scenario-table td:first-child { text-align: left; }
.scenario-table thead th { background: var(--c-bg); }
.scenario-table td.neg { color: var(--c-crit-border); font-weight: 600; }

.app-footer { text-align: center; color: var(--c-muted); font-size: 0.8rem; padding: 16px 12px 32px; }

@media (max-width: 420px) {
  html { font-size: 15px; }
  .step-panel { padding: 16px 12px; }
  .result-card .r-value { font-size: 1.15rem; }
}