/* OTP Specific Styles
    Integrates with theme.css variables
*/

.otp-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(var(--color-5-rgb), 0.95); /* High opacity backdrop using theme color */
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px); /* Modern frosted glass effect */
}

.otp-card {
    width: 100%;
    max-width: 480px;
    border: 1px solid var(--color4);
    background-color: var(--color5);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

/* Progress bar for timer visual */
.otp-timer-bar {
    height: 4px;
    width: 100%;
    background-color: var(--color4);
    transform-origin: left;
}

.otp-timer-progress {
    height: 100%;
    background-color: var(--color1);
    width: 100%;
    transition: width 1s linear;
}

/* Split Input Grid */
.otp-input-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin: 2rem 0;
}

.otp-digit {
    width: 50px;
    height: 60px;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    background-color: rgba(var(--color-5-rgb), 0.5);
    border: 2px solid var(--color4);
    color: var(--color2);
    caret-color: var(--color1);
    transition: all 0.2s ease;
    /* Hide default spinners */
    -moz-appearance: textfield;
}

    .otp-digit::-webkit-outer-spin-button,
    .otp-digit::-webkit-inner-spin-button {
        -webkit-appearance: none;
        margin: 0;
    }

    .otp-digit:focus {
        border-color: var(--color1) !important;
        box-shadow: 0 0 15px rgba(158, 97, 85, 0.3); /* Glow using color1 */
        outline: none;
        transform: translateY(-2px);
    }

    .otp-digit:disabled {
        opacity: 0.5;
        border-color: var(--color5);
        cursor: not-allowed;
    }

    /* Success/Error States */
    .otp-digit.is-valid {
        border-color: #28a745 !important;
        color: #28a745 !important;
    }

    .otp-digit.is-invalid {
        border-color: #dc3545 !important;
        animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
    }

@media(max-width: 992px) {
    .otp-card {
        width: 95%;
    }

    .otp-digit {
        width: 45px;
        height: 55px;
    }
}

@keyframes shake {
    10%, 90% {
        transform: translate3d(-1px, 0, 0);
    }

    20%, 80% {
        transform: translate3d(2px, 0, 0);
    }

    30%, 50%, 70% {
        transform: translate3d(-4px, 0, 0);
    }

    40%, 60% {
        transform: translate3d(4px, 0, 0);
    }
}