.mobile-auth-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at 12% 8%, rgba(37, 99, 235, .11), transparent 26rem),
        radial-gradient(circle at 90% 92%, rgba(21, 128, 61, .08), transparent 24rem),
        var(--bg);
}

.mobile-auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(380px, 44%) minmax(0, 1fr);
}

.mobile-auth-visual {
    min-height: 100vh;
    padding: 46px;
    display: flex;
    flex-direction: column;
    color: #fff;
    background:
        radial-gradient(circle at 15% 20%, rgba(96, 165, 250, .28), transparent 25rem),
        radial-gradient(circle at 88% 85%, rgba(37, 99, 235, .42), transparent 31rem),
        #0d1b35;
    overflow: hidden;
    position: relative;
}

.mobile-auth-visual::before {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    left: -170px;
    bottom: -170px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.14);
    box-shadow:
        0 0 0 70px rgba(255,255,255,.025),
        0 0 0 140px rgba(255,255,255,.015);
}

.mobile-auth-brand {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 13px;
}

.mobile-auth-brand strong,
.mobile-auth-brand span {
    display: block;
}

.mobile-auth-brand strong {
    font-size: 1rem;
}

.mobile-auth-brand span {
    color: rgba(255,255,255,.62);
    margin-top: 3px;
    font-size: .73rem;
}

.mobile-auth-visual-copy {
    position: relative;
    z-index: 2;
    margin-block: auto;
    max-width: 580px;
}

.mobile-auth-visual-copy .eyebrow {
    color: #9ab8ff;
}

.mobile-auth-visual-copy h1 {
    margin: 13px 0;
    max-width: 520px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.45;
    font-weight: 950;
}

.mobile-auth-visual-copy p {
    margin: 0;
    max-width: 530px;
    color: rgba(255,255,255,.68);
    line-height: 2.1;
    font-size: .9rem;
}

.mobile-auth-feature-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.mobile-auth-feature-grid > div {
    padding: 13px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,.1);
    background: rgba(255,255,255,.045);
    backdrop-filter: blur(10px);
}

.mobile-auth-feature-grid strong,
.mobile-auth-feature-grid span {
    display: block;
}

.mobile-auth-feature-grid strong {
    font-size: .95rem;
}

.mobile-auth-feature-grid span {
    margin-top: 3px;
    color: rgba(255,255,255,.58);
    font-size: .67rem;
}

.mobile-auth-form-panel {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px;
}

.mobile-auth-card,
.otp-verify-card {
    width: min(100%, 470px);
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 25px;
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.mobile-auth-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    margin-bottom: 19px;
    border-radius: 18px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 950;
}

.mobile-auth-card h2,
.otp-verify-card h1 {
    margin: 8px 0 7px;
    font-size: 1.45rem;
    font-weight: 950;
}

.mobile-auth-subtitle,
.otp-description {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.9;
    font-size: .8rem;
}

.mobile-auth-form {
    margin-top: 22px;
}

.mobile-input-wrap {
    position: relative;
}

.mobile-input-wrap .app-input {
    padding-left: 62px;
    text-align: left;
    direction: ltr;
}

.mobile-input-prefix {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-soft);
    font-size: .78rem;
    pointer-events: none;
}

.mobile-auth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
    color: var(--text-faint);
    font-size: .68rem;
}

.mobile-auth-divider::before,
.mobile-auth-divider::after {
    content: "";
    height: 1px;
    flex: 1;
    background: var(--border);
}

.mobile-auth-help {
    margin-top: 18px;
    color: var(--text-faint);
    text-align: center;
    font-size: .68rem;
    line-height: 1.8;
}

.otp-verify-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.otp-verify-card {
    text-align: center;
}

.otp-progress {
    height: 5px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 26px;
}

.otp-progress span {
    border-radius: 999px;
    background: var(--surface-strong);
}

.otp-progress span.is-done,
.otp-progress span.is-active {
    background: var(--primary);
}

.otp-icon {
    margin-inline: auto;
}

.otp-description strong {
    color: var(--text);
}

.app-alert.info {
    background: var(--primary-soft);
    color: var(--primary);
}

.development-otp-box {
    margin-top: 16px;
    padding: 14px;
    border: 1px dashed var(--primary);
    border-radius: 15px;
    background: color-mix(in srgb, var(--primary-soft) 75%, transparent);
    text-align: right;
}

.development-otp-box div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.development-otp-box span {
    color: var(--text-soft);
    font-size: .72rem;
}

.development-otp-box strong {
    color: var(--primary);
    letter-spacing: .18em;
    font-size: 1.2rem;
}

.development-otp-box small {
    display: block;
    margin-top: 8px;
    color: var(--text-faint);
    line-height: 1.8;
    font-size: .64rem;
}

.otp-form {
    margin-top: 20px;
}

.otp-input-section {
    text-align: right;
}

.otp-input-section label {
    display: block;
    margin-bottom: 7px;
    font-size: .76rem;
    font-weight: 850;
}

.otp-code-input {
    width: 100%;
    min-height: 62px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface-soft);
    color: var(--text);
    text-align: center;
    direction: ltr;
    letter-spacing: .34em;
    font-family: var(--app-font);
    font-size: 1.55rem;
    font-weight: 900;
    outline: none;
    transition: .16s ease;
}

.otp-code-input:focus {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

.otp-code-input:disabled {
    opacity: .48;
}

.otp-timer-card {
    margin: 15px 0;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface-soft);
}

.otp-timer-card > span,
.otp-timer-card > strong {
    display: block;
}

.otp-timer-card > span {
    color: var(--text-soft);
    font-size: .67rem;
}

.otp-timer-card > strong {
    margin-top: 3px;
    color: var(--primary);
    font-size: 1.05rem;
}

.otp-timer-track {
    height: 5px;
    margin-top: 9px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--surface-strong);
}

.otp-timer-track span {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: var(--primary);
    transition: width 1s linear;
}

.otp-resend-form {
    margin-top: 14px;
}

.otp-resend-button {
    min-height: 38px;
    padding: 6px 10px;
    border: 0;
    background: transparent;
    color: var(--primary);
    font-size: .74rem;
    font-weight: 850;
    cursor: pointer;
}

.otp-resend-button:disabled {
    color: var(--text-faint);
    cursor: not-allowed;
}

.otp-actions-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
    color: var(--text-faint);
    font-size: .68rem;
}

.otp-actions-secondary a {
    color: var(--text-soft);
    text-decoration: none;
}

.otp-actions-secondary a:hover {
    color: var(--primary);
}

@media (max-width: 991.98px) {
    .mobile-auth-shell {
        display: block;
    }

    .mobile-auth-visual {
        display: none;
    }
}

@media (max-width: 575.98px) {
    .mobile-auth-form-panel,
    .otp-verify-shell {
        min-height: 100vh;
        padding: 14px;
        align-items: center;
    }

    .mobile-auth-card,
    .otp-verify-card {
        padding: 22px 18px;
        border-radius: 21px;
    }

    .mobile-auth-card h2,
    .otp-verify-card h1 {
        font-size: 1.25rem;
    }

    .otp-code-input {
        min-height: 58px;
        font-size: 1.35rem;
    }

    .development-otp-box div {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }
}


/* Hotfix 8.0.6 - OTP verification remains server-authoritative. */
.otp-timer-card.is-expired {
    border-color: color-mix(in srgb, var(--warning) 35%, var(--border));
    background: var(--warning-soft);
}

.otp-timer-card.is-expired > strong {
    color: var(--warning);
}

.otp-timer-card.is-expired .otp-timer-track span {
    background: var(--warning);
}

.otp-expired-message {
    display: block;
    margin-top: 9px;
    color: var(--text-soft);
    font-size: .66rem;
    line-height: 1.75;
}

.otp-expired-message[hidden] {
    display: none !important;
}

.otp-form [data-verify-button]:disabled {
    cursor: not-allowed;
    opacity: .58;
}


/* Hotfix 8.0.7 - explicit server verification error. */
.otp-visible-error {
    margin: 12px 0;
    text-align: right;
}

.otp-visible-error strong,
.otp-visible-error span {
    display: block;
}

.otp-visible-error strong {
    font-size: .75rem;
}

.otp-visible-error span {
    margin-top: 3px;
    font-size: .69rem;
    line-height: 1.75;
}