/* ============================================================
   ghepdoi.css — Ghép Đôi Thần Số (theme hồng rose, nền kem chung)
   ============================================================ */
:root {
  --font-heading: 'Be Vietnam Pro', sans-serif;
  --font-body:    'Be Vietnam Pro', sans-serif;

  --bg:        #fbf3e4;
  --bg-2:      #f6e8cf;
  --bg-surface:#ffffff;
  --text:      #2b0f14;
  --text-mid:  #6b3540;
  --muted:     #a7828a;
  --border:    rgba(225, 29, 72, 0.14);
  --shadow:    0 6px 22px rgba(150, 30, 55, 0.09);
  --shadow-h:  0 16px 44px rgba(150, 30, 55, 0.16);

  --rose:      #e11d48;
  --rose-dark: #be123c;
  --rose-dim:  rgba(225, 29, 72, 0.08);
  --gold:      #d98a0a;

  /* tương thích common.css */
  --bg-glass:  rgba(225, 29, 72, 0.05);
  --text-secondary: #6b3540;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
button, input, select, a { touch-action: manipulation; }
html { font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--bg);
  background-image: radial-gradient(ellipse 90% 60% at 50% -10%, var(--bg-2) 0%, transparent 70%);
  color: var(--text);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 110px;
}
a { color: var(--rose-dark); }

.gemini-glow-1, .gemini-glow-2, .gemini-glow-3 { display: none !important; }

.gd-wrapper { max-width: 520px; margin: 0 auto; padding: 0 16px 32px; }

/* ---- Hero ---- */
.gd-hero { text-align: center; padding: 26px 0 14px; }
.gd-hero .l-brand-icon {
  width: 74px; height: 74px; margin: 0 auto 12px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 22px;
  background: linear-gradient(135deg, #ffffff, #fbf3e4);
  border: 1.5px solid rgba(225, 29, 72, 0.35);
  box-shadow: 0 10px 28px rgba(150, 30, 55, 0.1);
}
.gd-hero .l-brand-icon img { width: 46px; }
.gd-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 8.5vw, 44px);
  font-weight: 900;
  background: linear-gradient(135deg, var(--text) 20%, var(--rose) 65%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 6px 0 8px;
}
.gd-subtitle { font-size: 13px; color: var(--muted); letter-spacing: 0.3px; }
.seo-app-intro {
  font-size: 13.5px; color: var(--text-mid); max-width: 460px;
  margin: 12px auto 0; line-height: 1.6; text-align: center;
  border-top: 1px dashed var(--border); padding-top: 12px;
}

/* ---- Form 2 người ---- */
.gd-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px 20px;
  box-shadow: var(--shadow);
  margin-top: 14px;
  display: flex; flex-direction: column; gap: 8px;
  position: relative;
}
.gd-person { display: flex; flex-direction: column; gap: 9px; }
.gd-person-tag {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10.5px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 1.2px;
  border-radius: 99px; padding: 4px 11px;
}
.gd-tag-a { color: var(--rose); background: var(--rose-dim); border: 1px solid rgba(225, 29, 72, 0.3); }
.gd-tag-b { color: #7c3aed; background: rgba(124, 58, 237, 0.07); border: 1px solid rgba(124, 58, 237, 0.3); }
.gd-input, .gd-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--text);
}
.gd-input:focus, .gd-select:focus { outline: none; border-color: var(--rose); }
.gd-date-row { display: flex; gap: 8px; }
.gd-heart {
  text-align: center;
  font-size: 26px;
  color: var(--rose);
  margin: 2px 0;
  animation: gd-heartbeat 1.6s ease-in-out infinite;
}
@keyframes gd-heartbeat {
  0%, 100% { transform: scale(1); }
  12% { transform: scale(1.25); }
  24% { transform: scale(1); }
  36% { transform: scale(1.18); }
  48% { transform: scale(1); }
}

.gd-btn-main {
  background: linear-gradient(135deg, #fb7185, var(--rose-dark));
  color: #fff;
  border: none;
  border-radius: 14px;
  padding: 14px;
  font-size: 14.5px; font-weight: 800; font-family: inherit;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(225, 29, 72, 0.35);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.gd-btn-main:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(225, 29, 72, 0.45); }
.gd-btn-main:active { transform: scale(0.98); }
.gd-submit { margin-top: 8px; }

/* ---- Result ---- */
.gd-result { margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.gd-result[hidden] { display: none; }

.gd-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
  position: relative;
}
.gd-card::after {
  content: '';
  position: absolute; inset: 5px;
  border: 1px solid rgba(225, 29, 72, 0.1);
  border-radius: 15px;
  pointer-events: none;
}

.gd-scorecard { text-align: center; padding: 24px 18px; }
.gd-names {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 10px; font-size: 17px; font-weight: 800; color: var(--text);
}
.gd-amp { color: var(--rose); font-size: 20px; animation: gd-heartbeat 1.6s ease-in-out infinite; }
.gd-total {
  display: flex; align-items: baseline; justify-content: center; gap: 3px;
  margin: 8px 0 4px;
}
#gd-total-val {
  font-size: 76px; font-weight: 900; line-height: 1.05;
  background: linear-gradient(135deg, #fb7185, var(--rose-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gd-pct { font-size: 28px; font-weight: 900; color: var(--rose); }
.gd-level { font-size: 15.5px; font-weight: 800; color: var(--text-mid); }

.gd-part { animation: gd-part-in 0.55s cubic-bezier(0.2, 0.8, 0.2, 1) both; animation-delay: calc(var(--gi, 0) * 130ms + 0.3s); }
@keyframes gd-part-in {
  from { opacity: 0; transform: perspective(700px) translateY(22px) rotateX(6deg); }
}
.gd-part-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 8px;
}
.gd-part-label {
  font-size: 12px; font-weight: 800; color: var(--text-mid);
  text-transform: uppercase; letter-spacing: 0.8px;
  display: inline-flex; align-items: center; gap: 6px;
}
.gd-part-label i { color: var(--rose); font-size: 15px; }
.gd-part-label b { color: var(--text); font-size: 13px; letter-spacing: 0; }
.gd-part-score { font-size: 15px; font-weight: 900; color: var(--rose); }
.gd-bar {
  height: 9px; border-radius: 99px;
  background: rgba(160, 80, 90, 0.12);
  overflow: hidden;
  margin-bottom: 10px;
}
.gd-bar span {
  display: block; height: 100%;
  background: linear-gradient(90deg, #fb7185, var(--rose-dark));
  border-radius: 99px;
  transition: width 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.4s;
}
.gd-part-text { font-size: 13px; color: var(--text-mid); line-height: 1.65; }

.gd-actions { display: flex; gap: 10px; margin-top: 4px; }
.gd-actions .gd-btn-main { flex: 1.3; }
.gd-btn-sub {
  flex: 1;
  background: #fff;
  border: 1.5px solid var(--rose);
  color: var(--rose-dark);
  border-radius: 14px;
  padding: 13px 10px;
  font-size: 13.5px; font-weight: 800; font-family: inherit;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.gd-btn-sub:hover { background: var(--rose-dim); }

.gd-disclaimer {
  text-align: center; font-size: 11px; color: var(--muted);
  margin-top: 8px; line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  .gd-heart, .gd-amp, .gd-part { animation: none !important; opacity: 1; }
  .gd-bar span { transition: none; }
}

/* ---- Desktop: 2 người nằm ngang ---- */
@media (min-width: 768px) {
  .gd-wrapper { max-width: 680px; }
  .gd-form { display: grid; grid-template-columns: 1fr 44px 1fr; align-items: start; gap: 12px; }
  .gd-heart { align-self: center; margin-top: 40px; }
  .gd-submit { grid-column: 1 / -1; }
}