/**
 * File: assets/css/auth.css
 * Version: 1.0.0
 * Description: Passwordless authentication and inline email verification styles for Chatting.im.
 */

.auth-header {
    padding-top: 12px;
}

.auth-shell {
    display: grid;
    width: min(980px, calc(100% - 32px));
    min-height: calc(100svh - 58px);
    margin: 0 auto;
    padding: 18px 0 48px;
    place-items: center;
}

.auth-card {
    position: relative;
    display: grid;
    gap: 22px;
    width: 100%;
    max-width: 760px;
    overflow: hidden;
    padding: 22px;
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.auth-orb {
    position: absolute;
    top: -110px;
    right: -90px;
    width: 260px;
    height: 260px;
    pointer-events: none;
    background:
        radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.7), transparent 24%),
        linear-gradient(135deg, rgba(217, 164, 65, 0.34), rgba(23, 79, 63, 0.2));
    border-radius: 999px;
    filter: blur(2px);
}

.auth-copy,
.auth-form {
    position: relative;
    z-index: 1;
}

.auth-copy h1 {
    max-width: 620px;
    margin-bottom: 14px;
    font-size: clamp(38px, 10vw, 68px);
    line-height: 0.92;
    letter-spacing: -0.075em;
}

.auth-copy p {
    max-width: 520px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.55;
}

.auth-form {
    display: grid;
    gap: 14px;
    padding: 16px;
    background: var(--surface-solid);
    border: 1px solid var(--line);
    border-radius: 28px;
}

.auth-code-block {
    display: grid;
    gap: 8px;
}

.auth-code-block[hidden] {
    display: none;
}

.auth-code-row {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 38px;
    align-items: center;
    gap: 8px;
}

.auth-code-row input {
    padding-right: 14px;
    font-size: 22px;
    font-weight: 850;
    letter-spacing: 0.18em;
    text-align: center;
}

.auth-code-status {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    color: var(--muted);
    font-size: 17px;
    font-weight: 950;
    line-height: 1;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 999px;
}

.auth-code-status.valid,
.auth-code-status[data-state="valid"] {
    color: #fff;
    background:
        radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.22), transparent 26%),
        linear-gradient(135deg, var(--primary), var(--primary-2));
    border-color: rgba(23, 79, 63, 0.2);
    box-shadow: 0 10px 22px rgba(23, 79, 63, 0.18);
}

.auth-code-status.invalid,
.auth-code-status[data-state="invalid"] {
    color: #fff;
    background: linear-gradient(135deg, #8f2f29, #b54338);
    border-color: rgba(143, 47, 41, 0.2);
    box-shadow: 0 10px 22px rgba(143, 47, 41, 0.14);
}

.auth-code-status.loading,
.auth-code-status[data-state="checking"] {
    color: var(--primary);
    background: var(--primary-soft);
    border-color: rgba(23, 79, 63, 0.14);
}

.auth-helper {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    font-weight: 750;
    line-height: 1.45;
}

.auth-helper.success {
    color: var(--primary);
}

.auth-helper.error {
    color: var(--danger);
}

.is-readonly {
    color: var(--muted);
    background: rgba(251, 248, 241, 0.78);
}

.inline-auth,
.create-verification-wrap {
    display: grid;
    gap: 10px;
    margin-top: -4px;
}

.inline-auth .inline-auth-request,
.create-verification-wrap .auth-inline-button {
    width: 100%;
}

.inline-auth-code,
.create-verification-wrap .auth-code-block {
    padding: 12px;
    background: rgba(251, 248, 241, 0.76);
    border: 1px solid var(--line);
    border-radius: 18px;
}

.inline-auth .auth-code-row,
.create-verification-wrap .auth-code-row {
    grid-template-columns: minmax(0, 1fr) 36px;
}

.inline-auth .auth-code-status,
.create-verification-wrap .auth-code-status {
    width: 36px;
    height: 36px;
}

.inline-auth .auth-code-row input,
.create-verification-wrap .auth-code-row input {
    height: 46px;
    font-size: 20px;
}

@media (min-width: 720px) {
    .auth-card {
        grid-template-columns: 0.95fr 1.05fr;
        align-items: center;
        padding: 34px;
    }

    .auth-form {
        padding: 22px;
    }
}

@media (max-width: 520px) {
    .auth-shell {
        width: calc(100% - 24px);
        min-height: calc(100svh - 52px);
        padding: 10px 0 34px;
    }

    .auth-card {
        gap: 18px;
        padding: 16px;
        border-radius: 28px;
    }

    .auth-copy h1 {
        margin-bottom: 10px;
        font-size: clamp(34px, 12vw, 48px);
    }

    .auth-copy p {
        font-size: 15px;
    }

    .auth-form {
        padding: 14px;
        border-radius: 24px;
    }

    .auth-code-row {
        grid-template-columns: minmax(0, 1fr) 36px;
    }

    .auth-code-row input {
        height: 46px;
        font-size: 20px;
    }

    .auth-code-status {
        width: 36px;
        height: 36px;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .auth-orb {
        animation: authPulse 7s ease-in-out infinite;
    }

    @keyframes authPulse {
        0%,
        100% {
            transform: scale(1);
            opacity: 0.88;
        }

        50% {
            transform: scale(1.06);
            opacity: 1;
        }
    }
}