/* RESET & BASE */
.iso-wrapper {
    max-width: 480px; 
    margin: 2rem auto; 
    background: var(--iso-surface, #fff); 
    border-radius: 12px;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1); 
    overflow: hidden; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    border: 1px solid #e2e8f0;
    color: var(--iso-text, #1e293b);
}

/* TOP BAR */
.iso-top-bar {
    background: #f1f5f9; padding: 10px; text-align: center; 
    border-bottom: 1px solid #e2e8f0; font-size: 13px; color: #64748b;
}

/* COUNTDOWN */
.iso-countdown-box { 
    background: var(--iso-red, #dc2626); 
    color: white; padding: 12px; text-align: center; 
}
.iso-timer-display { font-weight: 800; font-size: 1.5rem; letter-spacing: 2px; margin-top: 5px; }
.t-box { background: rgba(0,0,0,0.2); padding: 2px 6px; border-radius: 4px; }

/* HEADER */
.iso-header { padding: 20px; border-bottom: 1px solid #e2e8f0; }
.iso-title { margin: 0 0 5px; font-size: 1.25rem; color: var(--iso-text); }
.iso-price-box { display: flex; align-items: center; gap: 10px; }
.iso-real { font-size: 1.5rem; font-weight: 800; color: var(--iso-blue, #2563eb); }
.iso-fake { text-decoration: line-through; color: #64748b; font-size: 0.9rem;}
.iso-badge { background: #fee2e2; color: #b91c1c; font-size: 0.75rem; padding: 2px 8px; border-radius: 20px; font-weight: bold; }

/* FORM */
.iso-form-el { padding: 24px; }
.iso-group { margin-bottom: 16px; }
.iso-group label { display: block; font-size: 0.85rem; color: #64748b; margin-bottom: 6px; font-weight: 500; }
.iso-input { 
    width: 100%; padding: 12px; border: 1px solid #e2e8f0; border-radius: 8px; 
    box-sizing: border-box; font-size: 1rem;
}
.iso-input:focus { outline: none; border-color: var(--iso-blue, #2563eb); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }

/* COUPON BTN */
.iso-cpn-btn {
    background: #475569; color: white; border: none; padding: 10px 15px;
    border-radius: 8px; cursor: pointer; font-weight: bold; white-space: nowrap;
}
.iso-cpn-btn:hover { background: #334155; }

/* BANK GRID */
.iso-bank-grid { display: grid; gap: 10px; margin-bottom: 20px; }
.iso-bank-card { cursor: pointer; position: relative; display: block; }
.iso-bank-card input { position: absolute; opacity: 0; }
.iso-bank-content { 
    display: flex; align-items: center; padding: 12px; border: 1px solid #e2e8f0; 
    border-radius: 8px; transition: 0.2s; 
}
.iso-bank-card.active .iso-bank-content { 
    border-color: var(--iso-blue, #2563eb); background: #eff6ff; box-shadow: 0 0 0 1px var(--iso-blue, #2563eb); 
}
.check-icon { margin-left: auto; color: var(--iso-blue, #2563eb); opacity: 0; transform: scale(0.5); transition: 0.2s; }
.iso-bank-card.active .check-icon { opacity: 1; transform: scale(1); }
.b-name { display: block; font-weight: bold; }
.b-rek { font-size: 0.8rem; color: #64748b; }

/* INSTRUCTION */
.iso-instruction-box { background: #fff7ed; padding: 15px; border: 1px dashed #fdba74; border-radius: 8px; margin-bottom: 20px; color: #9a3412; }
.big-rek { font-size: 1.2rem; font-weight: 800; display: block; margin: 5px 0; color: #1e293b; }
.iso-note-box { background:#fff7ed; border:1px solid #ffedd5; padding:10px; font-size:12px; color:#c2410c; margin-bottom:15px; border-radius:6px; display:flex; gap:10px; align-items:center; }

/* SUBMIT */
.iso-submit-btn { 
    width: 100%; background: var(--iso-blue, #2563eb); color: white; border: none; 
    padding: 16px; border-radius: 8px; cursor: pointer; transition: 0.2s; 
}
.iso-submit-btn:hover { opacity: 0.9; }
.btn-text { display: block; font-size: 1.1rem; font-weight: 800; }
.btn-sub { display: block; font-size: 0.75rem; opacity: 0.8; }
.iso-msg { padding: 20px; text-align: center; display: none; }
.iso-wa-btn { background: #25D366; color: white; padding: 10px 20px; border-radius: 50px; text-decoration: none; font-weight: bold; display: inline-block; margin-top: 10px; }