/* Cash Flow Analyzer — premium minimal UI */
:root {
  --bg: #0c0d10;
  --bg-elevated: #12141a;
  --surface: #161922;
  --border: rgba(255, 255, 255, 0.06);
  --text: #e8e9ed;
  --muted: #8b8f9a;
  --accent: #c9a962;
  --accent-soft: rgba(201, 169, 98, 0.15);
  --good: #5fd89a;
  --warn: #e8b84a;
  --crit: #e07070;
  --radius: 16px;
  --font: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, rgba(201, 169, 98, 0.08), transparent 50%),
    radial-gradient(900px 600px at 100% 0%, rgba(95, 216, 154, 0.05), transparent 45%), var(--bg);
}

.app {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.lang-switch {
  display: inline-flex;
  gap: 0.25rem;
}

.btn--lang {
  padding: 0.45rem 0.8rem;
  font-size: 0.8rem;
  min-width: 2.75rem;
}

.btn--lang[aria-pressed='true'] {
  color: var(--accent);
  border-color: rgba(201, 169, 98, 0.35);
}

.header__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.header__title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 400;
  margin: 0;
  line-height: 1.2;
}

.header__tagline {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 400;
  max-width: 28ch;
}

.intro {
  margin-bottom: 2.5rem;
  max-width: 640px;
}

.intro__headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 1rem;
}

.intro__lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.form__grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .form__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 1.5rem;
}

.card--section {
  min-height: 0;
}

.card__head {
  margin-bottom: 1.35rem;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 0 0.35rem;
}

.card__hint {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.fields {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field__label {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.field input,
.field select {
  font: inherit;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.field input:focus,
.field select:focus {
  border-color: rgba(201, 169, 98, 0.45);
}

.field input:disabled {
  opacity: 0.45;
}

.field--row {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.field__optional {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.field__optional input {
  width: auto;
}

.form__submit {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-start;
}

.demo-block {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.demo-block__hint {
  margin: 0.65rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
  max-width: 36ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: linear-gradient(135deg, #d4bc7a, #b8954a);
  color: #1a1510;
  border-color: rgba(255, 255, 255, 0.12);
}

.btn--primary:hover {
  filter: brightness(1.05);
}

.btn--ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}

.btn--ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}

/* Results */
.results {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 2rem;
  background: linear-gradient(145deg, var(--surface), var(--bg-elevated));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

@media (min-width: 720px) {
  .hero {
    grid-template-columns: 200px 1fr;
    align-items: center;
  }
}

.hero__score-wrap {
  text-align: center;
}

.hero__score {
  font-family: var(--font-display);
  font-size: 4.5rem;
  line-height: 1;
  color: var(--accent);
}

.hero__score-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.5rem;
}

.hero__status {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.status--good {
  color: var(--good);
}

.status--warn {
  color: var(--warn);
}

.status--crit {
  color: var(--crit);
}

.hero__summary {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 52ch;
}

.card--trust {
  margin-bottom: 2rem;
  border-color: rgba(201, 169, 98, 0.2);
  background: linear-gradient(165deg, rgba(201, 169, 98, 0.06), var(--surface));
}

.trust__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  margin: 0 0 0.85rem;
}

.trust__lead {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--text);
}

.trust__list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.trust__list li {
  margin-bottom: 0.35rem;
}

.trust__list:last-of-type {
  margin-bottom: 0.75rem;
}

.trust__footnote {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
  max-width: 58ch;
}

.metrics {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 2rem;
}

.metric-card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.metric-card__value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: 0.35rem;
}

.metric-card__label {
  font-size: 0.9rem;
  color: var(--text);
}

.metric-card__hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.two-col {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (min-width: 800px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.panel {
  padding: 1.5rem 1.5rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.panel--warn {
  background: rgba(224, 112, 112, 0.06);
  border-color: rgba(224, 112, 112, 0.2);
}

.panel--ok {
  background: rgba(95, 216, 154, 0.06);
  border-color: rgba(95, 216, 154, 0.2);
}

.panel--rec {
  background: var(--surface);
  margin-bottom: 2rem;
}

.panel__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  margin: 0 0 1rem;
}

.panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.panel__item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.panel__item:last-child {
  border-bottom: none;
}

.panel__item-title {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.panel__item-text {
  font-size: 0.9rem;
  color: var(--muted);
}

.panel__item--high .panel__item-title {
  color: var(--crit);
}

.panel__item--med .panel__item-title {
  color: var(--warn);
}

.panel__item--low .panel__item-title {
  color: var(--muted);
}

.panel__item--empty {
  border-bottom: none;
  padding: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.charts__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  margin: 0 0 1.25rem;
}

.charts__grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .charts__grid {
    grid-template-columns: 1fr 1fr;
  }
  .chart-card--wide {
    grid-column: 1 / -1;
  }
}

.chart-card {
  margin: 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.chart-card__cap {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.chart {
  min-height: 160px;
}

.chart__stack {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 140px;
  padding: 0 0.25rem;
}

.chart__seg {
  flex: 1;
  border-radius: 8px 8px 0 0;
  min-height: 8px;
  opacity: 0.92;
}

.chart__seg--rev {
  background: linear-gradient(180deg, #6eb8ff, #3d7ea8);
}

.chart__seg--cogs {
  background: linear-gradient(180deg, #e07070, #a84848);
}

.chart__seg--opex {
  background: linear-gradient(180deg, #e8b84a, #9a7329);
}

.chart__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.chart__legend-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.chart__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.chart__dot--rev {
  background: #6eb8ff;
}

.chart__dot--cogs {
  background: #e07070;
}

.chart__dot--opex {
  background: #e8b84a;
}

.chart__empty {
  color: var(--muted);
  font-size: 0.9rem;
}

.chart__hbar-row {
  display: grid;
  grid-template-columns: 100px 1fr 48px;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.chart__hbar-label {
  font-size: 0.8rem;
  color: var(--muted);
}

.chart__hbar-track {
  height: 10px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
}

.chart__hbar-fill {
  height: 100%;
  border-radius: 999px;
}

.chart__bar--ar {
  background: linear-gradient(90deg, #6eb8ff, #4a8bc8);
}

.chart__bar--inv {
  background: linear-gradient(90deg, #e8b84a, #b88930);
}

.chart__bar--ap {
  background: linear-gradient(90deg, #5fd89a, #3aa06a);
}

.chart__hbar-pct {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: right;
}

.chart__ccc-waterfall {
  width: 100%;
}

.chart__ccc-track {
  display: flex;
  align-items: stretch;
  min-height: 44px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.chart__ccc-seg {
  min-width: 4px;
  transition: opacity 0.15s ease;
}

.chart__ccc-seg--dso {
  background: linear-gradient(90deg, #6eb8ff, #4a8bc8);
}

.chart__ccc-seg--dio {
  background: linear-gradient(90deg, #e8b84a, #b88930);
}

.chart__ccc-seg--dpo {
  background: linear-gradient(90deg, #5fd89a, #3aa06a);
}

.chart__ccc-gap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  flex-shrink: 0;
  font-weight: 700;
  color: var(--muted);
  background: var(--bg);
  font-size: 0.85rem;
}

.chart__ccc-netline {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.chart__ccc-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.ccc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.ccc-dot--dso {
  background: #6eb8ff;
}

.ccc-dot--dio {
  background: #e8b84a;
}

.ccc-dot--dpo {
  background: #5fd89a;
}

.card--story {
  margin-bottom: 2rem;
}

.story__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}

.story__text {
  margin: 0;
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 70ch;
}

.reco-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text);
}

.reco-list li {
  margin-bottom: 0.65rem;
  padding-left: 0.25rem;
}

.reco-list li:last-child {
  margin-bottom: 0;
}

.card--disclaimer {
  margin-bottom: 2rem;
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.1);
}

.disclaimer__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  margin: 0 0 0.75rem;
  color: var(--muted);
}

.disclaimer__text {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 62ch;
}

.disclaimer__text--emph {
  margin-top: 0.75rem;
  margin-bottom: 0;
  color: var(--text);
  font-style: normal;
}

.disclaimer__list {
  margin: 0 0 0.75rem;
  padding-left: 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.disclaimer__list li {
  margin-bottom: 0.3rem;
}

.cta {
  text-align: center;
  padding: 2.5rem 1.75rem;
  background: var(--accent-soft);
  border: 1px solid rgba(201, 169, 98, 0.25);
  border-radius: var(--radius);
}

.cta__headline {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 auto 1rem;
  max-width: 30ch;
  line-height: 1.3;
}

.cta__intro {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.cta__bullets {
  list-style: none;
  margin: 0 auto 1.5rem;
  padding: 0;
  max-width: 26rem;
  text-align: left;
}

.cta__bullets li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.45rem;
  color: var(--text);
  font-size: 0.95rem;
}

.cta__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

/* Print */
@media print {
  body {
    background: #fff;
    color: #111;
  }

  .header__actions,
  .lang-switch,
  .form,
  .intro,
  .footer,
  .cta .btn {
    display: none !important;
  }

  .header,
  .results {
    border-color: #ccc;
  }

  .card,
  .hero,
  .metric-card,
  .panel,
  .chart-card {
    background: #fff;
    border-color: #ddd;
    break-inside: avoid;
  }

  .hero__score {
    color: #1a1510;
  }

  .metric-card__hint,
  .hero__summary,
  .story__text,
  .panel__item-text,
  .trust__lead,
  .trust__list,
  .trust__footnote,
  .disclaimer__text,
  .disclaimer__list {
    color: #444;
  }

  .cta__intro,
  .cta__bullets li {
    color: #222;
  }
}