/* ============================================================
   sim.css — Phong Thủy Sim (theme teal, 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:      #10221e;
  --text-mid:  #3f5c54;
  --muted:     #86a099;
  --border:    rgba(13, 148, 136, 0.16);
  --shadow:    0 6px 22px rgba(15, 100, 90, 0.09);
  --shadow-h:  0 16px 44px rgba(15, 100, 90, 0.16);

  --teal:      #0d9488;
  --teal-dark: #0f766e;
  --teal-dim:  rgba(13, 148, 136, 0.1);
  --gold:      #d98a0a;

  /* tương thích common.css */
  --bg-glass:  rgba(13, 148, 136, 0.05);
  --text-secondary: #3f5c54;
}

*, *::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(--teal-dark); }

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

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

/* ---- Hero ---- */
.sim-hero { text-align: center; padding: 26px 0 14px; }
.sim-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(13, 148, 136, 0.4);
  box-shadow: 0 10px 28px rgba(15, 100, 90, 0.1);
}
.sim-hero .l-brand-icon img { width: 46px; }
.sim-title {
  font-family: var(--font-heading);
  font-size: clamp(34px, 9vw, 46px);
  font-weight: 900;
  background: linear-gradient(135deg, var(--text) 20%, var(--teal) 65%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 6px 0 8px;
}
.sim-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 ---- */
.sim-form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px 20px;
  box-shadow: var(--shadow);
  margin-top: 14px;
}
.sim-input, .sim-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--text);
}
.sim-input { font-size: 19px; font-weight: 700; letter-spacing: 2px; text-align: center; }
.sim-input:focus, .sim-select:focus { outline: none; border-color: var(--teal); }
.sim-row2 { display: flex; gap: 10px; margin-top: 10px; }
.sim-select { flex: 1.4; font-size: 13.5px; }
.sim-btn {
  flex: 1;
  background: linear-gradient(135deg, #14b8a6, var(--teal-dark));
  color: #fff;
  border: none;
  border-radius: 14px;
  padding: 13px 16px;
  font-size: 14px; font-weight: 800; font-family: inherit;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.35);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.sim-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(13, 148, 136, 0.45); }
.sim-btn:active { transform: scale(0.98); }

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

.sim-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
  position: relative;
}
.sim-card::after {
  content: '';
  position: absolute; inset: 5px;
  border: 1px solid rgba(13, 148, 136, 0.1);
  border-radius: 15px;
  pointer-events: none;
}

.sim-scorecard { text-align: center; }
.sim-digits {
  display: flex; justify-content: center; gap: 4px; flex-wrap: wrap;
  margin-bottom: 8px;
}
.sim-digit {
  display: inline-block;
  font-size: 26px; font-weight: 900;
  animation: sim-digit-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  animation-delay: calc(var(--di, 0) * 60ms);
}
@keyframes sim-digit-in {
  from { opacity: 0; transform: translateY(-14px) scale(1.4); }
}
.sim-digit.dg { border-bottom: 3px solid #0d9668; }
.sim-digit.db { border-bottom: 3px solid #dc2626; }

.sim-score-wrap { display: flex; align-items: baseline; justify-content: center; gap: 4px; }
.sim-score {
  font-size: 58px; font-weight: 900; line-height: 1.1;
  background: linear-gradient(135deg, #14b8a6, var(--teal-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sim-score-max { font-size: 18px; font-weight: 800; color: var(--muted); }
.sim-verdict { font-size: 13.5px; font-weight: 700; color: var(--text-mid); margin-top: 6px; }

.sim-sec-head {
  display: flex; align-items: center; gap: 7px;
  font-size: 11px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--muted);
  margin-bottom: 10px;
}
.sim-sec-head i { color: var(--teal); font-size: 14px; }
.sim-badge {
  font-size: 10px; font-weight: 800; letter-spacing: 0.5px;
  border-radius: 7px; padding: 2px 8px; color: #fff;
  margin-left: auto;
}
.sim-badge.sr-good { background: #0d9668; }
.sim-badge.sr-mid { background: #b0a090; }
.sim-badge.sr-bad { background: #dc2626; }

.sim-quename { font-size: 17px; font-weight: 800; color: var(--text); margin-bottom: 5px; }
.sim-desc { font-size: 13px; color: var(--text-mid); line-height: 1.65; }
.sim-note { font-size: 11px; color: var(--muted); margin-top: 8px; line-height: 1.5; }

.sim-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.sim-ad-bar {
  height: 10px; border-radius: 99px;
  background: #cbd5e1; /* âm */
  overflow: hidden;
  margin-bottom: 8px;
}
.sim-ad-duong {
  display: block; height: 100%;
  background: linear-gradient(90deg, #f5ab2e, #d97706); /* dương */
  border-radius: 99px;
  transition: width 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sim-pairs { display: flex; flex-wrap: wrap; gap: 7px; }
.sim-pair {
  font-size: 12px; font-weight: 800;
  border-radius: 9px; padding: 5px 11px;
}
.sim-pair.pg { color: #0d9668; background: rgba(13, 150, 104, 0.09); border: 1px solid rgba(13, 150, 104, 0.35); }
.sim-pair.pb { color: #dc2626; background: rgba(220, 38, 38, 0.07); border: 1px solid rgba(220, 38, 38, 0.35); }

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

@media (prefers-reduced-motion: reduce) {
  .sim-digit { animation: none !important; }
  .sim-ad-duong { transition: none; }
}

@media (min-width: 768px) {
  .sim-wrapper { max-width: 620px; }
}