/* =========================================================
   BanglaScale Ads Performance Checker — v4 Final
   Light · Sora + DM Sans · Agency · Grid radio pills
   ========================================================= */
:root {
  --bg:          #f8f7ff;
  --bg2:         #ede8ff;
  --bg3:         #f0eeff;
  --white:       #ffffff;
  --ink:         #16132b;
  --ink2:        #38337a;
  --body:        #5c5888;
  --body-lt:     #7a6fa8;
  --purple:      #6c28d9;
  --purple-mid:  #7c3aed;
  --purple-dk:   #4a1ba0;
  --purple-lt:   #ede8ff;
  --purple-glow: rgba(108,40,217,0.18);
  --gold:        #d4820a;
  --gold-btn:    #f59e0b;
  --gold-lt:     #fef4e0;
  --red:         #dc2626;
  --red-lt:      #fff1f1;
  --red-mid:     #b91c1c;
  --green:       #15803d;
  --green-lt:    #f0fdf4;
  --wa-green:    #25D366;
  --wa-dark:     #1DA851;
  --yellow-warn: #d97706;
  --yellow-lt:   #fffbeb;
  --border:      rgba(108,40,217,0.13);
  --border-md:   rgba(108,40,217,0.22);
  --border-str:  rgba(108,40,217,0.38);
  --border-input:rgba(108,40,217,0.25);
  --shadow:      0 2px 16px rgba(108,40,217,0.07), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md:   0 6px 28px rgba(108,40,217,0.11), 0 2px 6px rgba(0,0,0,0.05);
  --r-sm:  12px; --r-md: 16px; --r-lg: 20px; --r-xl: 24px; --r-pill: 999px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

.bac-page {
  background: var(--bg);
  min-height: 100vh;
  font-family: 'DM Sans', 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 17px;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.bac-page::before {
  content: '';
  position: fixed; inset: 0;
  background-image: radial-gradient(circle, rgba(108,40,217,0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 5%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 5%, transparent 80%);
  pointer-events: none; z-index: 0;
}

.bac-wrap {
  position: relative; z-index: 1;
  max-width: 720px; margin: 0 auto; padding: 0 18px 80px;
}

/* ── HERO ── */
.bac-hero { text-align: center; padding: 28px 16px 20px; }

.bac-logo-bar { display: flex; align-items: center; justify-content: center; gap: 9px; margin-bottom: 14px; }
.bac-logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-btn); }
.bac-logo-text { font-family: 'Sora', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--purple); }

.bac-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); border: 1px solid var(--border-md);
  border-radius: var(--r-pill); padding: 7px 18px;
  font-family: 'Sora', sans-serif; font-size: 13px; font-weight: 600; color: var(--ink2);
  margin-bottom: 16px; box-shadow: var(--shadow);
}
.bac-hero-badge-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  animation: bac-pulse 2.2s ease infinite;
}
@keyframes bac-pulse {
  0%  { box-shadow: 0 0 0 0   rgba(21,128,61,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(21,128,61,0); }
  100%{ box-shadow: 0 0 0 0   rgba(21,128,61,0); }
}

.bac-hero h1 {
  font-family: 'Sora', sans-serif; font-size: clamp(26px, 7.5vw, 48px);
  font-weight: 800; line-height: 1.13; letter-spacing: -0.03em; color: var(--ink); margin-bottom: 12px;
}
.bac-hero h1 span {
  background: linear-gradient(90deg, var(--purple) 0%, var(--purple-mid) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.bac-hr-rule { width: 40px; height: 3px; background: linear-gradient(90deg, var(--purple), var(--gold)); border-radius: 3px; margin: 0 auto 14px; }

.bac-hero p { font-size: clamp(15px, 3.8vw, 18px); color: var(--body); line-height: 1.7; max-width: 520px; margin: 0 auto 20px; }

.bac-hero-stats { display: flex; justify-content: center; gap: 8px; flex-wrap: nowrap; }
.bac-stat {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-pill); padding: 7px 12px;
  font-family: 'Sora', sans-serif; font-size: clamp(11px, 2.8vw, 13px); font-weight: 600; color: var(--ink2); box-shadow: var(--shadow);
  white-space: nowrap;
}
.bac-stat-icon { font-size: 13px; }

/* ── STEP INDICATOR ── */
.bac-steps { display: flex; align-items: center; justify-content: center; margin-bottom: 20px; margin-top: 18px; }
.bac-step  { display: flex; flex-direction: column; align-items: center; gap: 5px; }
.bac-step-num {
  width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid var(--border-md); background: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Sora', sans-serif; font-size: 15px; font-weight: 700; color: var(--body-lt);
  transition: all .3s ease; box-shadow: var(--shadow);
}
.bac-step.active .bac-step-num {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-mid) 100%);
  border-color: var(--purple); color: #fff; box-shadow: 0 4px 16px var(--purple-glow);
}
.bac-step.done .bac-step-num { background: var(--green); border-color: var(--green); color: #fff; }
.bac-step-label { font-family: 'Sora', sans-serif; font-size: 11px; font-weight: 600; color: var(--body-lt); }
.bac-step.active .bac-step-label { color: var(--purple); }
.bac-step.done .bac-step-label   { color: var(--green); }
.bac-step-line { flex: 1; height: 2px; background: var(--border-md); max-width: 44px; margin-bottom: 22px; }
.bac-step-line.done { background: var(--green); }

/* ── CARDS ── */
.bac-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 28px 22px; margin-bottom: 16px;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.bac-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--purple-mid));
  transform: scaleX(0); transform-origin: left; transition: transform .4s ease;
}
.bac-card:focus-within::before { transform: scaleX(1); }

.bac-section-title {
  font-family: 'Sora', sans-serif; font-size: 12px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--purple);
  margin-bottom: 22px; display: flex; align-items: center; gap: 10px;
}
.bac-section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── FIELDS ── */
.bac-field { margin-bottom: 20px; }
.bac-field label {
  display: block; font-family: 'Sora', sans-serif;
  font-size: 15px; font-weight: 700; color: var(--ink2); margin-bottom: 9px; line-height: 1.4;
}
.bac-field label .req { color: var(--red); margin-left: 3px; }

.bac-input,
.bac-select,
.bac-textarea {
  width: 100%; background: var(--white);
  border: 1.5px solid var(--border-input); border-radius: var(--r-md);
  padding: 14px 18px; font-family: 'DM Sans', sans-serif;
  font-size: 17px; line-height: 1.4; color: var(--ink);
  outline: none; transition: border-color .25s, box-shadow .25s;
  -webkit-appearance: none; appearance: none;
}
.bac-input::placeholder  { color: var(--body-lt); }
.bac-textarea::placeholder { color: var(--body-lt); }
.bac-input:focus, .bac-select:focus, .bac-textarea:focus {
  border-color: var(--purple); box-shadow: 0 0 0 3px var(--purple-glow);
}

.bac-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='8' viewBox='0 0 13 8'%3E%3Cpath d='M1 1l5.5 5.5L12 1' stroke='%236c28d9' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
  background-color: var(--white); padding-right: 44px; cursor: pointer;
}
.bac-select option { background: var(--white); color: var(--ink); }
.bac-textarea { resize: vertical; min-height: 110px; line-height: 1.65; }
.bac-field-hint { font-size: 14px; color: var(--body-lt); margin-top: 7px; line-height: 1.5; }
.bac-row { display: grid; grid-template-columns: 1fr; gap: 0; }

/* Dollar input with $ prefix */
.bac-input-prefix-wrap { position: relative; }
.bac-input-prefix {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  font-family: 'Sora', sans-serif; font-size: 16px; font-weight: 700;
  color: var(--purple); pointer-events: none;
}
.bac-input-prefix-wrap .bac-input { padding-left: 32px; }

/* ── RADIO PILLS — ALWAYS 2-COLUMN GRID, NEVER REFLOWS ── */
.bac-radio-group {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 10px;
}
.bac-radio-group input[type="radio"] { display: none; }
.bac-radio-group label {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  text-align: center; padding: 13px 10px; min-height: 52px;
  background: var(--bg3); border: 1.5px solid var(--border-md);
  border-radius: var(--r-md);
  font-family: 'Sora', sans-serif; font-size: 15px; font-weight: 600; color: var(--ink2);
  cursor: pointer; transition: all .2s ease; user-select: none; line-height: 1.3;
}
.bac-radio-group label:hover { border-color: var(--purple); background: var(--purple-lt); color: var(--purple-dk); }
.bac-radio-group input[type="radio"]:checked + label {
  background: var(--purple-lt); border-color: var(--purple); color: var(--purple-dk);
  font-weight: 700; box-shadow: 0 2px 12px var(--purple-glow);
}

/* ── SUBMIT BUTTON — forced green, max specificity ── */
.bac-submit-wrap { text-align: center; padding: 6px 0 0; }

.bac-page .bac-card .bac-submit-wrap .bac-btn-analyze,
.bac-page #bac-form .bac-btn-analyze,
button.bac-btn-analyze,
#bac-submit-btn {
  display: block !important;
  width: 100% !important;
  background: linear-gradient(135deg, #15803d 0%, #16a34a 45%, #22c55e 100%) !important;
  background-color: #16a34a !important;
  border: none !important;
  border-radius: var(--r-pill) !important;
  padding: 18px 20px !important;
  font-family: 'Sora', sans-serif !important;
  font-size: clamp(15px, 4vw, 18px) !important;
  font-weight: 700 !important;
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(0,0,0,0.15) !important;
  cursor: pointer !important;
  box-shadow: 0 8px 28px rgba(22,163,74,0.35), 0 2px 0 rgba(255,255,255,0.15) inset !important;
  transition: transform .22s ease, box-shadow .22s ease !important;
  position: relative !important;
  overflow: visible !important;
  text-align: center !important;
  letter-spacing: 0.2px !important;
  white-space: normal !important;
  word-break: keep-all !important;
  line-height: 1.4 !important;
}
.bac-page .bac-card .bac-submit-wrap .bac-btn-analyze:hover,
button.bac-btn-analyze:hover,
#bac-submit-btn:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 14px 40px rgba(22,163,74,0.45) !important;
}
.bac-btn-analyze:active  { transform: translateY(0) !important; }
.bac-btn-analyze:disabled { opacity: .65 !important; cursor: not-allowed !important; transform: none !important; }
.bac-disclaimer { font-size: 13px; color: var(--body-lt); margin-top: 14px; line-height: 1.6; }

/* ── LOADING ── */
.bac-loading { display: none; flex-direction: column; align-items: center; padding: 56px 24px; text-align: center; }
.bac-loading.active { display: flex; }
.bac-spinner {
  width: 56px; height: 56px; border: 3px solid var(--border-md);
  border-top-color: var(--purple); border-right-color: var(--gold);
  border-radius: 50%; animation: bac-spin 0.85s linear infinite; margin-bottom: 22px;
}
@keyframes bac-spin { to { transform: rotate(360deg); } }
.bac-loading p:first-of-type { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 17px; color: var(--ink); margin-bottom: 6px; }
.bac-loading p:last-of-type  { font-size: 14px; color: var(--body-lt); margin-bottom: 20px; }
.bac-loading-steps { display: flex; flex-direction: column; gap: 9px; margin-top: 10px; width: 100%; max-width: 320px; text-align: left; }
.bac-loading-step { font-size: 15px; color: var(--body-lt); display: flex; align-items: center; gap: 10px; transition: color .3s; line-height: 1.4; }
.bac-loading-step.done   { color: var(--green); }
.bac-loading-step.active { color: var(--purple); font-weight: 600; }
.bac-loading-step-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

/* ── REPORT ── */
#bac-report { display: none; }
#bac-report.visible { display: block; animation: bac-fadeUp .5s ease forwards; }
@keyframes bac-fadeUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

.bac-report-header { text-align: center; padding: 30px 20px 24px; }
.bac-report-tag {
  display: inline-block; background: var(--purple-lt); border: 1px solid var(--border-str);
  border-radius: var(--r-pill); padding: 5px 16px; font-family: 'Sora', sans-serif;
  font-size: 12px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--purple); margin-bottom: 14px;
}
.bac-report-header h2 { font-family: 'Sora', sans-serif; font-size: clamp(22px,5.5vw,32px); font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.bac-report-header .bac-sub { font-size: 15px; color: var(--body); line-height: 1.65; }

/* Gauge */
.bac-score-wrap { display: flex; flex-direction: column; align-items: center; margin: 28px 0 20px; gap: 20px; }
.bac-gauge { position: relative; width: 160px; height: 160px; }
.bac-gauge svg { transform: rotate(-90deg); }
.bac-gauge-track { fill: none; stroke: var(--bg2); stroke-width: 12; }
.bac-gauge-fill  { fill: none; stroke-width: 12; stroke-linecap: round; stroke-dasharray: 440; stroke-dashoffset: 440; transition: stroke-dashoffset 1.5s cubic-bezier(.4,0,.2,1); }
.bac-gauge-label { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.bac-gauge-num { font-family: 'Sora', sans-serif; font-size: 40px; font-weight: 800; line-height: 1; color: var(--ink); }
.bac-gauge-caption { font-size: 12px; font-weight: 600; color: var(--body-lt); margin-top: 3px; }
.bac-score-desc { text-align: center; }
.bac-score-label { font-family: 'Sora', sans-serif; font-size: 15px; font-weight: 700; color: var(--ink2); margin-bottom: 8px; }
.bac-score-desc p { font-size: 14px; color: var(--body); line-height: 1.55; max-width: 280px; margin: 0 auto; }

/* ROAS card */
.bac-roas-card { border-radius: var(--r-lg); padding: 20px 18px; margin-bottom: 16px; border: 1.5px solid; }
.bac-roas-card.red    { background: var(--red-lt);    border-color: rgba(220,38,38,0.30); }
.bac-roas-card.yellow { background: var(--yellow-lt); border-color: rgba(217,119,6,0.30); }
.bac-roas-card.green  { background: var(--green-lt);  border-color: rgba(21,128,61,0.30); }
.bac-roas-card.gold   { background: var(--gold-lt);   border-color: rgba(212,130,10,0.35); }
.bac-roas-card.gray   { background: var(--bg3);       border-color: var(--border-md); }
.bac-roas-top { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 10px; }
.bac-roas-emoji { font-size: 30px; flex-shrink: 0; margin-top: 2px; }
.bac-roas-info h3 { font-family: 'Sora', sans-serif; font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.bac-roas-info .roas-val { font-size: 13px; color: var(--body); line-height: 1.4; }
.bac-roas-msg { font-size: 16px; line-height: 1.65; color: var(--ink2); }

/* Summary grid */
.bac-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 4px; }
.bac-info-item { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--r-md); padding: 14px 16px; }
.bac-info-item .label { font-family: 'Sora', sans-serif; font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--purple); font-weight: 700; margin-bottom: 5px; }
.bac-info-item .value { font-family: 'Sora', sans-serif; font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.3; }

/* Tips */
.bac-tip-card { background: var(--purple-lt); border: 1px solid var(--border-str); border-radius: var(--r-lg); padding: 20px 18px; margin-bottom: 16px; }
.bac-tip-card .tip-head { display: flex; align-items: center; gap: 8px; font-family: 'Sora', sans-serif; font-size: 12px; font-weight: 700; color: var(--purple); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1px; }
.bac-tip-card p { font-size: 16px; line-height: 1.70; color: var(--ink2); }

.bac-budget-note { background: var(--gold-lt); border: 1px solid rgba(212,130,10,0.25); border-left: 3px solid var(--gold); border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: 14px 16px; font-size: 16px; line-height: 1.65; color: var(--ink2); margin-bottom: 16px; }

/* Actions */
.bac-actions-list { display: flex; flex-direction: column; gap: 12px; }
.bac-action-item { display: flex; gap: 14px; background: var(--white); border: 1px solid var(--border); border-radius: var(--r-md); padding: 16px; align-items: flex-start; box-shadow: var(--shadow); transition: box-shadow .2s, transform .2s; }
.bac-action-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.bac-action-item.high     { border-left: 3px solid var(--red); }
.bac-action-item.critical { border-left: 3px solid var(--red); background: var(--red-lt); }
.bac-action-item.medium   { border-left: 3px solid var(--purple); }
.bac-action-icon { font-size: 24px; flex-shrink: 0; margin-top: 1px; }
.bac-action-text h4 { font-family: 'Sora', sans-serif; font-size: 16px; font-weight: 700; margin-bottom: 5px; color: var(--ink); line-height: 1.3; }
.bac-action-text p { font-size: 15px; line-height: 1.65; color: var(--body); }
.bac-action-priority { margin-top: 8px; display: inline-block; font-family: 'Sora', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; padding: 3px 11px; border-radius: var(--r-pill); }
.high .bac-action-priority, .critical .bac-action-priority { background: var(--red-lt); color: var(--red-mid); }
.medium .bac-action-priority { background: var(--purple-lt); color: var(--purple); }

/* WA CTA */
.bac-cta-section { background: linear-gradient(135deg, #f0fdf4, #dcfce7); border: 1.5px solid rgba(21,128,61,0.25); border-radius: var(--r-xl); padding: 28px 22px; text-align: center; margin-bottom: 20px; box-shadow: 0 4px 24px rgba(21,128,61,0.08); }
.bac-cta-section h3 { font-family: 'Sora', sans-serif; font-size: 20px; font-weight: 800; color: var(--ink); margin-bottom: 10px; }
.bac-cta-section p  { font-size: 16px; color: var(--body); line-height: 1.65; margin-bottom: 22px; }
.bac-wa-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; width: 100%; background: linear-gradient(135deg, var(--wa-dark), var(--wa-green)); border: none; border-radius: var(--r-pill); padding: 18px 32px; font-family: 'Sora', sans-serif; font-size: 16px; font-weight: 700; color: #fff; cursor: pointer; text-decoration: none; box-shadow: 0 8px 28px rgba(37,211,102,0.30); transition: transform .2s, box-shadow .2s; }
.bac-wa-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(37,211,102,0.45); color: #fff; text-decoration: none; }
.bac-wa-icon { font-size: 22px; display: flex; align-items: center; }
.bac-cta-note { font-size: 12px; color: var(--body-lt); margin-top: 12px; margin-bottom: 0; }

/* Restart / error / other */
.bac-restart-wrap { text-align: center; margin-top: 18px; margin-bottom: 24px; }
.bac-restart-btn { background: transparent; border: 1.5px solid var(--border-md); border-radius: var(--r-pill); padding: 12px 30px; font-family: 'Sora', sans-serif; font-size: 14px; font-weight: 600; color: var(--body); cursor: pointer; transition: all .2s; }
.bac-restart-btn:hover { border-color: var(--purple); color: var(--purple); }
.bac-error { background: var(--red-lt); border: 1px solid rgba(220,38,38,0.30); border-radius: var(--r-sm); padding: 13px 16px; font-size: 14px; color: var(--red-mid); margin-top: 16px; display: none; line-height: 1.5; }
.bac-error.visible { display: block; }
#bac-category-other-wrap { display: none; margin-top: 10px; }
#bac-category-other-wrap.visible { display: block; }
#bac-report-category-tag { display: inline-block; margin-top: 10px; background: var(--purple-lt); border: 1px solid var(--border-str); border-radius: var(--r-pill); padding: 5px 16px; font-family: 'Sora', sans-serif; font-size: 13px; color: var(--purple); font-weight: 600; }

/* Footer */
.bac-footer { text-align: center; padding: 20px 16px 16px; font-family: 'Sora', sans-serif; font-size: 13px; color: var(--body-lt); line-height: 1.8; border-top: 1px solid var(--border); margin-top: 24px; }
.bac-footer a { color: var(--purple); text-decoration: none; }
.bac-footer a:hover { text-decoration: underline; }

/* ── RESPONSIVE ── */
@media (min-width: 540px) {
  .bac-wrap { padding: 0 28px 100px; }
  .bac-card { padding: 32px 30px; }
  .bac-row  { grid-template-columns: 1fr 1fr; gap: 0 20px; }
  .bac-info-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 768px) {
  .bac-hero { padding: 52px 24px 36px; }
  .bac-hero-stats { gap: 10px; }
  .bac-stat { padding: 9px 18px; font-size: 13px; }
  .bac-stat-icon { font-size: 15px; }
  .bac-score-wrap { flex-direction: row; gap: 36px; align-items: center; }
  .bac-score-desc { text-align: left; }
  .bac-score-desc p { margin: 0; }
  .bac-gauge { width: 176px; height: 176px; }
  .bac-gauge-num { font-size: 44px; }
}