.shopkart-otp-container {
    max-width: 420px;
    margin: 20px auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.10);
    padding: 32px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.shopkart-otp-header { text-align: center; margin-bottom: 24px; }
.shopkart-otp-header h3 { font-size: 22px; margin: 0 0 6px; color: #1a1a2e; }
.shopkart-otp-header p  { color: #6b7280; font-size: 14px; margin: 0; }

.shopkart-otp-form { display: none; }
.shopkart-otp-form.active { display: block; }

.shopkart-gateway-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
    margin: 12px 0 20px;
}
.shopkart-gateway-option {
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    padding: 8px 10px;
    text-align: center;
    cursor: pointer;
    font-size: 13px;
    transition: all .2s;
}
.shopkart-gateway-option.selected,
.shopkart-gateway-option:hover {
    border-color: #6c63ff;
    background: #f0eeff;
    color: #6c63ff;
    font-weight: 600;
}

.shopkart-country-code { display: flex; gap: 8px; }
.shopkart-country-code select {
    width: 130px;
    padding: 12px 10px;
    border: 1.5px solid #e5e7eb;
    border-radius: 10px;
    font-size: 14px;
}
.shopkart-country-code input {
    flex: 1;
    padding: 12px 14px;
    border: 1.5px solid #e5e7eb;
    border-radius: 10px;
    font-size: 15px;
    outline: none;
    transition: border .2s;
}
.shopkart-country-code input:focus { border-color: #6c63ff; }

.shopkart-otp-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(90deg, #6c63ff, #a78bfa);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 16px;
    transition: opacity .2s;
}
.shopkart-otp-btn:hover { opacity: .9; }
.shopkart-otp-btn-secondary {
    background: #f3f4f6;
    color: #374151;
    margin-top: 8px;
}

.shopkart-otp-input {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 20px 0;
}
.shopkart-otp-digit {
    width: 48px !important;
    height: 52px;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    outline: none;
    transition: border .2s;
}
.shopkart-otp-digit:focus { border-color: #6c63ff; }

.shopkart-resend-timer { text-align: center; font-size: 13px; color: #6b7280; margin: 8px 0; }
.shopkart-resend-link  { color: #6c63ff; text-decoration: none; }
.shopkart-resend-link.disabled { color: #9ca3af; pointer-events: none; }

.shopkart-otp-toggle { text-align: center; margin-top: 16px; font-size: 13px; }
.shopkart-otp-toggle a { color: #6c63ff; text-decoration: none; }

.shopkart-otp-message {
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-size: 13px;
}
.shopkart-otp-message.success { background: #d1fae5; color: #065f46; }
.shopkart-otp-message.error   { background: #fee2e2; color: #991b1b; }

.shopkart-success-checkmark {
    width: 60px; height: 60px;
    background: #22c55e;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.shopkart-success-checkmark::after {
    content: '✓';
    color: #fff;
    font-size: 28px;
    font-weight: bold;
}
#shopkart-recaptcha-container { margin: 12px 0; }