/* app.css — VASTU CLASS AI
   Palette: night-sky indigo (#141832), deep sindoor red (#9B2242),
   marigold gold (#E8A33D), warm parchment (#FBF3E7), muted slate (#5B6178).
   Chosen for a Vedic-astrology subject: night sky for the ascendant/chart
   feel, marigold + sindoor for the ritual/temple palette used across
   VastuClass materials, parchment for readable data cards. */

:root {
  --ink: #141832;
  --ink-soft: #232A52;
  --sindoor: #9B2242;
  --marigold: #E8A33D;
  --marigold-soft: #F4C978;
  --parchment: #FBF3E7;
  --parchment-line: #E8DCC7;
  --slate: #5B6178;
  --white: #FFFFFF;

  --font-display: "Noto Sans Devanagari", "Poppins", "Segoe UI", sans-serif;
  --font-body: "Noto Sans Devanagari", -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--parchment);
  color: var(--ink);
  min-height: 100vh;
}

.app-shell {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--parchment);
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ---- Header / hero: the "night sky dial" signature ---- */
.app-header {
  background: radial-gradient(120% 140% at 20% -10%, var(--ink-soft) 0%, var(--ink) 60%);
  color: var(--parchment);
  padding: 28px 20px 34px;
  position: relative;
  overflow: hidden;
}

.app-header::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(232, 163, 61, 0.35);
  background:
    repeating-conic-gradient(from 0deg, rgba(232,163,61,0.18) 0deg 2deg, transparent 2deg 30deg);
}

.brand-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  margin: 0;
}

.brand-tagline {
  color: var(--marigold-soft);
  font-size: 0.82rem;
  margin: 4px 0 0;
}

.lang-toggle {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(232, 163, 61, 0.5);
  color: var(--marigold-soft);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-family: var(--font-body);
  min-height: 44px;
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border: 1px solid var(--parchment-line);
  border-radius: 18px;
  padding: 18px;
  margin: 16px;
  box-shadow: 0 1px 0 rgba(20,24,50,0.03);
}

.card h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 14px;
  color: var(--ink);
  text-align: center;
  font-weight: 700;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--marigold), transparent);
  margin: 20px 16px;
  border: none;
}

/* ---- Form ---- */
.field-group {
  margin-bottom: 14px;
}

label {
  display: block;
  font-size: 0.82rem;
  color: var(--slate);
  margin-bottom: 6px;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--parchment-line);
  border-radius: 12px;
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--parchment);
  color: var(--ink);
  min-height: 44px;
}

input:focus, select:focus, textarea:focus {
  outline: 3px solid var(--marigold-soft);
  outline-offset: 1px;
  border-color: var(--marigold);
}

.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

details.advanced {
  margin-top: 6px;
  border-top: 1px dashed var(--parchment-line);
  padding-top: 10px;
}

details.advanced summary {
  color: var(--slate);
  font-size: 0.85rem;
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.btn-primary {
  width: 100%;
  background: var(--sindoor);
  color: var(--white);
  border: none;
  border-radius: 14px;
  padding: 14px;
  font-size: 1.02rem;
  font-weight: 700;
  font-family: var(--font-display);
  min-height: 48px;
  margin-top: 6px;
}

.btn-primary:active { background: #7d1a35; }

.form-errors {
  display: none;
  background: #FBEAEA;
  color: var(--sindoor);
  border: 1px solid #E9B7B7;
  border-radius: 10px;
  padding: 10px 12px;
  margin: 0 16px 16px;
  font-size: 0.85rem;
}

/* ---- Results ---- */
.result-card h3 {
  font-family: var(--font-display);
  text-align: center;
  margin: 0 0 4px;
  color: var(--ink);
}

.meta-note {
  text-align: center;
  color: var(--slate);
  font-size: 0.78rem;
  margin: 0 0 14px;
}

.table-scroll { overflow-x: auto; }

.result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.result-table th, .result-table td {
  padding: 8px 6px;
  text-align: center;
  border-bottom: 1px solid var(--parchment-line);
  white-space: nowrap;
}

.result-table th {
  color: var(--slate);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.precision-note {
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--slate);
  border-top: 1px dashed var(--parchment-line);
  padding-top: 10px;
}

/* ---- Bottom nav ---- */
.bottom-nav {
  margin-top: auto;
  display: flex;
  border-top: 1px solid var(--parchment-line);
  background: var(--white);
  position: sticky;
  bottom: 0;
}

.bottom-nav button {
  flex: 1;
  border: none;
  background: none;
  padding: 12px 0;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--slate);
  min-height: 56px;
}

.bottom-nav button.active {
  color: var(--sindoor);
  font-weight: 700;
}