:root {
    --primary-gold: #e2b062;
    --dark-bg: #121212;
    --card-bg: rgba(30, 30, 30, 0.8);
    --text-muted: #a0a0a0;
}

/* MODAL BACKGROUND */
.otp-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* CARD */
.otp-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    width: 350px;
    color: #fff;
}

/* TEXT */
.otp-title {
    color: var(--primary-gold);
}

.otp-subtitle {
    color: var(--text-muted);
}

/* INPUT GROUP */
.otp-inputs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 20px 0;
}

.otp-input {
    width: 45px;
    height: 55px;
    border-radius: 12px;
    text-align: center;
    font-size: 1.5rem;
    background: rgba(255,255,255,0.05);
    border: 2px solid rgba(255,255,255,0.1);
    color: #fff;
}

.otp-input:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 10px rgba(226,176,98,0.4);
}

/* BUTTON */
.otp-btn {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: none;
    background: var(--primary-gold);
    font-weight: bold;
    cursor: pointer;
}

/* SHAKE */
@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}

.otp-error {
    animation: shake 0.3s;
    border: 2px solid red;
}