@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
  --color-bg: #f5f5f7;
  --color-bg-elevated: #ffffff;
  --color-bg-chip: #f2f3f7;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-accent: #3b82f6;
  --color-border: #e5e7eb;
  --success: #22c55e;
  --warning: #facc15;
  --danger: #ef4444;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
}

body[data-theme="dark"] {
  --color-bg: #050816;
  --color-bg-elevated: #111827;
  --color-bg-chip: #1f2933;
  --color-text: #f9fafb;
  --color-text-muted: #9ca3af;
  --color-accent: #60a5fa;
  --color-border: #1f2937;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

.page { max-width: 1150px; margin: 0 auto; padding: 88px 18px 48px 18px; }

.topbar { position: fixed; top: 0; left: 0; right: 0; z-index: 20; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 18px; background: var(--color-bg-elevated); border-bottom: 1px solid var(--color-border); box-shadow: 0 10px 25px rgba(0,0,0,0.08); flex-wrap: wrap; }
@supports (backdrop-filter: blur(6px)) {
  .topbar { background: rgba(245, 245, 247, 0.9); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
}
body[data-theme="dark"] .topbar {
  background: var(--color-bg-elevated);
}
@supports (backdrop-filter: blur(6px)) {
  body[data-theme="dark"] .topbar { background: rgba(17, 24, 39, 0.9); }
}
.topbar__section { display: flex; align-items: center; gap: 8px; }
.topbar__title { font-weight: 800; color: var(--color-text-muted); font-size: 14px; }
.topbar input { width: 120px; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--color-border); background: var(--color-bg-elevated); color: var(--color-text); }
.topbar__actions { display: flex; align-items: center; gap: 8px; }

.hero { margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero h1 { margin: 6px 0 8px; font-size: clamp(26px, 4vw, 36px); }
.hero .subhead { margin: 0; color: var(--color-text-muted); max-width: 760px; }

.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; color: var(--color-accent); margin: 0; font-weight: 700; }

.theme-toggle { border: 1px solid var(--color-border); background: var(--color-bg-elevated); border-radius: 999px; padding: 8px 12px; position: relative; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; box-shadow: var(--shadow); color: var(--color-text); }
.theme-toggle__icon { font-size: 16px; }
.theme-toggle__text { font-weight: 700; font-size: 14px; color: var(--color-text-muted); }
.theme-toggle__text .theme-current { color: var(--color-accent); }

.top-controls { display: flex; align-items: center; gap: 10px; }
.uf-inline { display: flex; align-items: center; gap: 6px; background: var(--color-bg-elevated); border: 1px solid var(--color-border); padding: 6px 10px; border-radius: 14px; box-shadow: var(--shadow); }
.uf-inline label { font-weight: 700; color: var(--color-text-muted); font-size: 13px; }
.uf-inline input { width: 110px; }

.layout { display: grid; gap: 16px; }
.main-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); align-items: start; }
.form-card { position: sticky; top: 12px; }
.results-stack { display: flex; flex-direction: column; gap: 12px; }

.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.config { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-bottom: 6px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .field span { font-weight: 700; color: var(--color-text-muted); }
.hint { margin: 0; color: var(--color-text-muted); font-size: 13px; }

input[type="number"] { border: 2px solid var(--color-border); border-radius: 12px; padding: 10px 12px; font-size: 15px; width: 100%; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s; background: #ffffff; color: var(--color-text); }
body[data-theme="dark"] input[type="number"] { background: #1a1f2e; border-color: #374151; }
input[type="number"]::placeholder { color: var(--color-text-muted); }
input[type="number"]:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25); }
body[data-theme="dark"] input[type="number"]:focus { box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.25); }

.toggle { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; background: var(--color-bg-chip); padding: 10px; border-radius: 12px; border: 1px solid var(--color-border); }
.toggle label { display: flex; gap: 8px; align-items: center; font-weight: 700; color: var(--color-text); }

.form { margin-top: 8px; display: flex; flex-direction: column; gap: 12px; }

.block { display: flex; flex-direction: column; gap: 10px; }
.block__header { margin-bottom: 6px; }
.block__eyebrow { margin: 0; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); font-weight: 800; font-size: 12px; }
.block__title { margin: 4px 0 0; font-size: 18px; font-weight: 800; }
.block__sub { border: 1px dashed var(--color-border); border-radius: 16px; padding: 12px; background: var(--color-bg-chip); }
.block__subtitle { margin: 0 0 10px; font-weight: 800; color: var(--color-text); }

.grid.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }

.btn { margin-top: 6px; width: 100%; padding: 12px 18px; background: var(--color-accent); color: white; font-weight: 800; border: none; border-radius: 999px; font-size: 16px; cursor: pointer; transition: transform 0.1s ease, box-shadow 0.2s ease, opacity 0.2s ease; box-shadow: 0 12px 30px rgba(59, 130, 246, 0.35); }
body[data-theme="dark"] .btn { box-shadow: 0 12px 30px rgba(96, 165, 250, 0.35); }
.btn:hover { transform: translateY(-1px); opacity: 0.95; }
.btn:active { transform: translateY(0); }
.topbar-btn { width: auto; margin: 0; padding: 10px 16px; }

.results { display: flex; flex-direction: column; gap: 12px; visibility: visible; opacity: 1; }
.results-stack { display: flex; flex-direction: column; gap: 12px; visibility: visible; opacity: 1; }

.summary-card { display: flex; flex-wrap: wrap; gap: 16px; background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 22px; padding: 18px; box-shadow: var(--shadow); width: 100%; visibility: visible; opacity: 1; }
#seccion_resultados { display: block; visibility: visible; opacity: 1; }
.summary-main { min-width: 240px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.summary-label { margin: 0; color: var(--color-text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 12px; }
.summary-value { margin: 0; font-size: 28px; font-weight: 800; color: var(--color-text); }
.summary-sub { margin: 0; color: var(--color-text-muted); font-weight: 600; }
.chip { display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 999px; font-weight: 800; font-size: 13px; background: var(--color-bg-chip); color: var(--color-text); width: fit-content; border: 1px solid var(--color-border); }
.summary-inline { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin-top: 8px; }

.summary-side { flex: 2; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.mini-card { background: var(--color-bg-chip); border-radius: 16px; padding: 10px 12px; border: 1px solid var(--color-border); }
.mini-label { margin: 0; color: var(--color-text-muted); font-size: 13px; font-weight: 700; }
.mini-value { margin: 4px 0 0; font-weight: 800; font-size: 18px; color: var(--color-text); }

.help-icon { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; border-radius: 50%; background: rgba(107, 114, 128, 0.15); color: var(--color-text); font-size: 12px; font-weight: 800; cursor: help; position: relative; }
body[data-theme="dark"] .help-icon { background: rgba(156, 163, 175, 0.15); }
.help-icon::after { content: attr(data-tooltip); position: absolute; top: 22px; left: 50%; transform: translateX(-50%); background: var(--color-bg-elevated); color: var(--color-text); border: 1px solid var(--color-border); border-radius: 10px; padding: 8px 10px; white-space: normal; min-width: 180px; max-width: 260px; box-shadow: 0 10px 30px rgba(0,0,0,0.15); opacity: 0; pointer-events: none; transition: opacity 0.15s ease; z-index: 30; }
.help-icon:hover::after { opacity: 1; }

.results__grid { margin-top: 4px; }
.metric { padding: 12px; border: 1px solid var(--color-border); border-radius: 16px; background: var(--color-bg-chip); }
.metric__label { margin: 0; color: var(--color-text-muted); }
.metric__value { margin: 6px 0 0; font-weight: 800; font-size: 20px; color: var(--color-text); }

.status--verde { border-color: #22c55e66; }
.status--amarillo { border-color: #facc1566; }
.status--rojo { border-color: #ef444466; }
.status--verde .chip { background: #22c55e1a; color: #22c55e; border-color: #22c55e33; }
.status--amarillo .chip { background: #facc151a; color: #facc15; border-color: #facc1533; }
.status--rojo .chip { background: #ef44441a; color: #ef4444; border-color: #ef444433; }

@media (max-width: 720px) {
  .page { padding-top: 120px; padding-left: 14px; padding-right: 14px; padding-bottom: 36px; }
  .topbar { padding: 12px 14px; min-height: 60px; }
  .topbar__title { font-size: 12px; white-space: nowrap; }
  .topbar__actions { flex-wrap: wrap; }
  .topbar-btn { font-size: 14px; padding: 8px 12px; }
  .hero { align-items: flex-start; margin-bottom: 20px; }
  .hero h1 { font-size: 24px; line-height: 1.2; margin-top: 0; }
  .hero .subhead { font-size: 14px; }
  .form-card { position: static; top: auto; }
  .summary-card { flex-direction: column; }
  .summary-main { min-width: 100%; }
  .summary-side { grid-template-columns: 1fr; }
  .summary-inline { grid-template-columns: 1fr; }
  .results { display: block !important; visibility: visible !important; opacity: 1 !important; }
  .results-stack { display: block !important; visibility: visible !important; opacity: 1 !important; }
  #seccion_resultados { display: block !important; visibility: visible !important; opacity: 1 !important; }
  .results__grid { grid-template-columns: 1fr; }
  .floating-action { width: calc(100% - 24px); left: 12px; transform: none; }
}