/* ═══════════════════════════════════════════════════════════════════
   age-tool.css - Age Calculator
   Scoped entirely under  #agc-root - zero bleed to other tools
   Theme: Clean Light × Warm Amber / Sky Blue Accent
═══════════════════════════════════════════════════════════════════ */

#agc-root {
  --agc-bg:          #faf9f7;
  --agc-surface:     #ffffff;
  --agc-surface2:    #f8f6f2;
  --agc-surface3:    #f0ece4;

  --agc-border:      #e8e2d8;
  --agc-border2:     #d4cbbf;

  /* Accent - warm amber */
  --agc-accent:      #d97706;
  --agc-accent2:     #f59e0b;
  --agc-accent3:     #fbbf24;
  --agc-accent-bg:   #fffbeb;
  --agc-accent-dim:  rgba(217, 119, 6, 0.10);
  --agc-accent-ring: rgba(217, 119, 6, 0.22);

  /* Sky blue secondary */
  --agc-sky:         #0284c7;
  --agc-sky-bg:      #f0f9ff;

  /* Semantic */
  --agc-ok:          #059669;
  --agc-ok-bg:       #ecfdf5;
  --agc-err:         #dc2626;
  --agc-err-bg:      #fef2f2;
  --agc-err-border:  #fecaca;

  --agc-text:        #1c1611;
  --agc-text2:       #57483a;
  --agc-text3:       #a0907e;
  --agc-mono:        #3d2f1e;

  --agc-sans:      'Plus Jakarta Sans', 'DM Sans', system-ui, sans-serif;
  --agc-mono-font: 'DM Mono', 'JetBrains Mono', monospace;

  --agc-radius:    12px;
  --agc-radius-sm:  8px;
  --agc-radius-xs:  5px;

  --agc-shadow:    0 1px 3px rgba(0,0,0,.06), 0 4px 18px rgba(0,0,0,.05);
  --agc-shadow-md: 0 4px 24px rgba(0,0,0,.09);
  --agc-ring:      0 0 0 3px var(--agc-accent-ring);

  --agc-ease: cubic-bezier(0.4, 0, 0.2, 1);

  font-family: var(--agc-sans);
  background:  var(--agc-bg);
  color:       var(--agc-text);
  min-height:  100vh;
  box-sizing:  border-box;
}
#agc-root *, #agc-root *::before, #agc-root *::after { box-sizing: inherit; }
#agc-root ::-webkit-scrollbar { width: 5px; }
#agc-root ::-webkit-scrollbar-track { background: var(--agc-surface2); }
#agc-root ::-webkit-scrollbar-thumb { background: var(--agc-border2); border-radius: 3px; }

/* ── Hero ──────────────────────────────────────────────────────── */
.agc-hero {
  background: linear-gradient(135deg, #78350f 0%, #92400e 50%, #b45309 100%);
  padding: 52px 24px 44px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.agc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.agc-hero-inner { position: relative; z-index: 1; max-width: 620px; margin: 0 auto; }

.agc-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  color: #fde68a;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  padding: 4px 13px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.agc-hero-badge svg { width: 12px; height: 12px; }
.agc-hero h1 { font-size: clamp(26px, 5vw, 44px); font-weight: 800; letter-spacing: -.03em; color: #fff; margin: 0 0 12px; line-height: 1.1; }
.agc-hero h1 span { color: #fcd34d; }
.agc-hero p { font-size: clamp(13px, 2vw, 15px); color: rgba(255,255,255,.72); max-width: 480px; margin: 0 auto; line-height: 1.7; }

/* ── Layout ────────────────────────────────────────────────────── */
.agc-app { max-width: 800px; margin: 0 auto; padding: 26px 18px 70px; }

/* ── Card ──────────────────────────────────────────────────────── */
.agc-card {
  background: var(--agc-surface);
  border: 1px solid var(--agc-border);
  border-radius: var(--agc-radius);
  box-shadow: var(--agc-shadow);
  overflow: hidden;
  margin-bottom: 16px;
}
.agc-card-head {
  display: flex; align-items: center; gap: 9px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--agc-border);
  background: var(--agc-surface2);
}
.agc-card-title { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--agc-text2); flex: 1; }
.agc-card-icon  { width: 15px; height: 15px; color: var(--agc-accent); flex-shrink: 0; }
.agc-card-body  { padding: 22px 20px; }

/* ── Date input area ───────────────────────────────────────────── */
.agc-date-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.agc-field { display: flex; flex-direction: column; gap: 7px; }
.agc-label { font-size: 11.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--agc-text3); }

.agc-date-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--agc-surface2);
  border: 1.5px solid var(--agc-border);
  border-radius: var(--agc-radius-sm);
  font-family: var(--agc-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--agc-text);
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
  cursor: pointer;
}
.agc-date-input:focus {
  border-color: var(--agc-accent2);
  box-shadow: var(--agc-ring);
  background: var(--agc-accent-bg);
}
.agc-date-input::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .6; }

.agc-calc-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 20px;
  margin-top: 18px;
  background: linear-gradient(135deg, var(--agc-accent) 0%, var(--agc-accent2) 100%);
  color: #fff;
  border: none;
  border-radius: var(--agc-radius-sm);
  font-family: var(--agc-sans);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(217,119,6,.3);
  transition: all .16s var(--agc-ease);
}
.agc-calc-btn:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 4px 18px rgba(217,119,6,.4); }
.agc-calc-btn:active { transform: none; }
.agc-calc-btn svg { width: 16px; height: 16px; }

/* ── Error ─────────────────────────────────────────────────────── */
.agc-error {
  display: none;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--agc-err-bg);
  border: 1px solid var(--agc-err-border);
  border-radius: var(--agc-radius-sm);
  font-size: 13.5px;
  color: var(--agc-err);
  font-weight: 500;
}
.agc-error.is-visible { display: flex; }
.agc-error svg { width: 15px; height: 15px; flex-shrink: 0; }

/* ── Main Result ───────────────────────────────────────────────── */
.agc-result-area { display: none; }
.agc-result-area.is-visible { display: block; }

/* Big age display */
.agc-age-display {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 28px 24px;
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border-bottom: 1px solid var(--agc-border);
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.agc-age-unit {
  text-align: center;
  min-width: 90px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--agc-border);
  border-radius: var(--agc-radius-sm);
  box-shadow: var(--agc-shadow);
}
.agc-age-num {
  font-family: var(--agc-mono-font);
  font-size: 40px;
  font-weight: 700;
  color: var(--agc-accent);
  line-height: 1;
  letter-spacing: -.03em;
  display: block;
  margin-bottom: 4px;
}
.agc-age-lbl {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--agc-text3);
}
.agc-age-sep {
  font-size: 24px;
  color: var(--agc-border2);
  font-weight: 300;
  align-self: center;
  padding: 0 2px;
}

/* Detail stats grid */
.agc-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 10px;
  padding: 18px 18px 16px;
}
.agc-stat-item {
  background: var(--agc-surface2);
  border: 1px solid var(--agc-border);
  border-radius: var(--agc-radius-sm);
  padding: 13px 14px;
  text-align: left;
}
.agc-stat-icon { font-size: 18px; margin-bottom: 5px; display: block; }
.agc-stat-val {
  font-family: var(--agc-mono-font);
  font-size: 18px;
  font-weight: 700;
  color: var(--agc-sky);
  display: block;
  letter-spacing: -.01em;
  line-height: 1.2;
  margin-bottom: 3px;
}
.agc-stat-label { font-size: 11.5px; color: var(--agc-text3); font-weight: 600; }

/* Birthday countdown banner */
.agc-bday-banner {
  margin: 0 18px 16px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #bfdbfe;
  border-radius: var(--agc-radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
}
.agc-bday-icon { font-size: 24px; flex-shrink: 0; }
.agc-bday-text { flex: 1; }
.agc-bday-main { font-size: 15px; font-weight: 700; color: var(--agc-sky); margin-bottom: 2px; }
.agc-bday-sub  { font-size: 12.5px; color: #3b82f6; }

/* Zodiac badge */
.agc-zodiac-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px 16px;
  border-top: 1px solid var(--agc-border);
  flex-wrap: wrap;
}
.agc-zodiac-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--agc-accent-bg);
  border: 1px solid rgba(217,119,6,.25);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--agc-accent);
}
.agc-zodiac-sign { font-size: 18px; }
.agc-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--agc-surface2);
  border: 1px solid var(--agc-border);
  border-radius: 100px;
  padding: 5px 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--agc-text2);
}

/* ── SEO ───────────────────────────────────────────────────────── */
.agc-seo { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--agc-border); }
.agc-seo h2 { font-size: clamp(17px, 2.5vw, 21px); font-weight: 800; color: var(--agc-text); margin: 0 0 10px; letter-spacing: -.015em; }
.agc-seo h3 { font-size: 15px; font-weight: 700; color: var(--agc-text); margin: 22px 0 8px; }
.agc-seo p  { font-size: 14px; color: var(--agc-text2); line-height: 1.78; margin: 0 0 10px; }
.agc-seo code { font-family: var(--agc-mono-font); font-size: 12.5px; background: var(--agc-surface2); border: 1px solid var(--agc-border); border-radius: 4px; padding: 1px 6px; color: var(--agc-accent); }

.agc-faq-item { border-bottom: 1px solid var(--agc-border); }
.agc-faq-q { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 0; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--agc-text); user-select: none; transition: color .14s; }
.agc-faq-q:hover { color: var(--agc-accent); }
.agc-faq-chevron { flex-shrink: 0; color: var(--agc-text3); transition: transform .18s var(--agc-ease); }
.agc-faq-item.is-open .agc-faq-chevron { transform: rotate(180deg); }
.agc-faq-a { font-size: 13.5px; line-height: 1.75; color: var(--agc-text2); padding-bottom: 14px; display: none; }
.agc-faq-item.is-open .agc-faq-a { display: block; }

/* ── Toast ─────────────────────────────────────────────────────── */
.agc-toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(12px); background: #1c1107; color: #fde68a; font-size: 13.5px; font-weight: 600; padding: 10px 20px; border-radius: 100px; box-shadow: 0 4px 20px rgba(0,0,0,.25); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 9999; white-space: nowrap; display: flex; align-items: center; gap: 7px; }
.agc-toast svg { width: 14px; height: 14px; }
.agc-toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .agc-hero { padding: 38px 16px 30px; }
  .agc-app  { padding: 16px 12px 60px; }
  .agc-date-grid { grid-template-columns: 1fr; }
  .agc-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .agc-age-display { padding: 20px 14px; gap: 8px; }
  .agc-age-num { font-size: 32px; }
  .agc-card-body { padding: 16px 14px; }
  .agc-stats-grid { padding: 14px 14px 12px; }
  .agc-zodiac-wrap { padding: 12px 14px 14px; }
  .agc-bday-banner { margin: 0 14px 12px; }
}
@media (max-width: 400px) {
  .agc-stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .agc-age-unit { min-width: 78px; padding: 10px 12px; }
  .agc-age-num { font-size: 28px; }
}