:root {
    --auth-bg: #eef5fb;
    --auth-bg-glow-a: rgba(56, 117, 255, 0.13);
    --auth-bg-glow-b: rgba(13, 148, 136, 0.11);
    --auth-grid: rgba(148, 163, 184, 0.08);
    --auth-surface: rgba(255, 255, 255, 0.92);
    --auth-surface-strong: #ffffff;
    --auth-border: rgba(203, 213, 225, 0.72);
    --auth-border-strong: rgba(148, 163, 184, 0.34);
    --auth-text: #0f172a;
    --auth-text-soft: #5b6b85;
    --auth-text-muted: #8da0ba;
    --auth-primary: linear-gradient(135deg, #0f8b8d 0%, #2563eb 100%);
    --auth-primary-solid: #2563eb;
    --auth-primary-shadow: 0 22px 44px rgba(37, 99, 235, 0.18);
    --auth-success-bg: rgba(16, 185, 129, 0.12);
    --auth-success-text: #047857;
    --auth-warning-bg: rgba(245, 158, 11, 0.13);
    --auth-warning-text: #b45309;
    --auth-danger-bg: rgba(239, 68, 68, 0.12);
    --auth-danger-text: #b91c1c;
    --auth-radius-xl: 32px;
    --auth-radius-lg: 24px;
    --auth-radius-md: 18px;
    --auth-radius-sm: 14px;
    --auth-shadow: 0 30px 90px rgba(15, 23, 42, 0.12);
}

html,
body {
    min-height: 100%;
}

body.auth-ui {
    margin: 0;
    color: var(--auth-text);
    font-family: "Manrope", sans-serif;
    background:
        radial-gradient(circle at top left, var(--auth-bg-glow-a), transparent 42%),
        radial-gradient(circle at top right, var(--auth-bg-glow-b), transparent 34%),
        linear-gradient(180deg, #f4f8fc 0%, var(--auth-bg) 100%);
}

body.auth-ui * {
    box-sizing: border-box;
}

body.auth-ui a {
    color: inherit;
    text-decoration: none;
}

body.auth-ui img {
    max-width: 100%;
    display: block;
}

.auth-page {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    overflow: hidden;
}

.auth-page__ambient {
    position: absolute;
    pointer-events: none;
    inset: auto;
}

.auth-page__ambient--one {
    top: -18%;
    left: -10%;
    width: 34rem;
    height: 34rem;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.16), transparent 68%);
}

.auth-page__ambient--two {
    right: -12%;
    bottom: -20%;
    width: 30rem;
    height: 30rem;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.16), transparent 70%);
}

.auth-page__ambient--grid {
    inset: 0;
    background-image:
        linear-gradient(var(--auth-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--auth-grid) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(circle at center, #000 10%, transparent 75%);
    opacity: 0.7;
}

.auth-page__viewport {
    position: relative;
    z-index: 1;
    width: min(100%, 560px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-shell {
    width: 100%;
}

.auth-card {
    position: relative;
    width: 100%;
    margin: 0 auto;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.9) 100%);
    border: 1px solid var(--auth-border);
    border-radius: var(--auth-radius-xl);
    box-shadow: var(--auth-shadow);
    backdrop-filter: blur(18px);
    overflow: hidden;
}

.auth-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 6px;
    background: var(--auth-primary);
}

.auth-card__body {
    padding: clamp(28px, 4vw, 42px);
}

body.auth-ui .auth-card__body,
body.auth-ui .auth-card__body * {
    box-sizing: border-box;
}

.auth-brand {
    display: inline-flex;
    align-items: center;
    margin-bottom: 26px;
}

.auth-brand img {
    width: auto;
    height: 42px;
}

.auth-copy {
    display: grid;
    gap: 12px;
}

.auth-copy__eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    min-height: 32px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(191, 219, 254, 0.95);
    background: rgba(239, 246, 255, 0.92);
    color: #0f766e;
    font-size: 0.77rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.auth-heading {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: clamp(2rem, 4vw, 2.55rem);
    line-height: 1.05;
    letter-spacing: -0.035em;
}

.auth-subtext {
    margin: 0;
    color: var(--auth-text-soft);
    font-size: 1.02rem;
    line-height: 1.7;
}

.auth-benefits {
    display: grid;
    gap: 12px;
    padding: 0;
    margin: 28px 0 0;
    list-style: none;
}

.auth-benefit {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--auth-radius-md);
    border: 1px solid rgba(219, 234, 254, 0.92);
    background: rgba(248, 250, 252, 0.94);
    color: var(--auth-text-soft);
    line-height: 1.6;
}

.auth-benefit i {
    margin-top: 3px;
    color: #0f766e;
}

.auth-form {
    display: grid;
    gap: 18px;
    margin-top: 28px;
}

body.auth-ui .auth-form,
body.auth-ui .auth-form fieldset,
body.auth-ui .auth-form legend {
    margin: 0;
    padding: 0;
    border: 0;
    min-width: 0;
}

.auth-form__row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.auth-label {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    color: var(--auth-text);
    font-size: 0.96rem;
    font-weight: 700;
    line-height: 1.4;
}

.auth-label i {
    margin-right: 8px;
    color: #0f766e;
}

body.auth-ui .auth-form input,
body.auth-ui .auth-form button,
body.auth-ui .auth-form select,
body.auth-ui .auth-form textarea {
    font: inherit;
}

.auth-input {
    display: block;
    width: 100%;
    min-height: 56px;
    padding: 0 17px;
    margin: 0;
    border: 1px solid var(--auth-border);
    border-radius: var(--auth-radius-sm);
    background: rgba(255, 255, 255, 0.88);
    color: var(--auth-text);
    font: inherit;
    appearance: none;
    -webkit-appearance: none;
    box-shadow: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.auth-input::placeholder {
    color: var(--auth-text-muted);
}

.auth-input:hover {
    border-color: rgba(148, 163, 184, 0.7);
}

.auth-input:focus {
    outline: none;
    border-color: rgba(37, 99, 235, 0.55);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    background: #ffffff;
}

.auth-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 18px;
    border-radius: var(--auth-radius-md);
    border: 1px solid rgba(191, 219, 254, 0.9);
    background: rgba(248, 250, 252, 0.95);
}

.auth-note i {
    margin-top: 3px;
    color: #2563eb;
}

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

.auth-note__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 800;
}

.auth-note__text {
    margin: 0;
    color: var(--auth-text-soft);
    line-height: 1.6;
}

.auth-actions {
    display: grid;
    gap: 12px;
}

.auth-submit {
    width: 100%;
    min-height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0;
    border: 0;
    border-radius: 18px;
    background: var(--auth-primary);
    box-shadow: var(--auth-primary-shadow);
    color: #ffffff;
    font: inherit;
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.auth-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 28px 50px rgba(37, 99, 235, 0.22);
}

.auth-submit:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.22);
    outline-offset: 3px;
}

.auth-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.auth-submit--secondary {
    background: var(--auth-surface-strong);
    color: var(--auth-text);
    border: 1px solid var(--auth-border);
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.08);
}

.auth-submit--secondary:hover {
    box-shadow: 0 20px 34px rgba(15, 23, 42, 0.1);
}

.auth-submit--danger {
    background: #ffffff;
    color: var(--auth-danger-text);
    border: 1px solid rgba(254, 202, 202, 0.95);
    box-shadow: 0 16px 28px rgba(239, 68, 68, 0.08);
}

.auth-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 4px;
}

.auth-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #2563eb;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
}

.auth-link i {
    color: inherit;
}

.auth-link:hover {
    color: #0f766e;
}

.auth-link--danger {
    color: var(--auth-danger-text);
}

.auth-footer-note {
    padding-top: 6px;
    color: var(--auth-text-soft);
    font-size: 0.92rem;
    line-height: 1.65;
}

.auth-footer-note a {
    color: #2563eb;
    text-decoration: underline;
}

.auth-message {
    display: grid;
    gap: 20px;
}

.auth-message__icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    font-size: 1.5rem;
}

.auth-message__icon--success {
    background: var(--auth-success-bg);
    color: var(--auth-success-text);
}

.auth-message__icon--warning {
    background: var(--auth-warning-bg);
    color: var(--auth-warning-text);
}

.auth-message__icon--danger {
    background: var(--auth-danger-bg);
    color: var(--auth-danger-text);
}

.auth-message__title {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.15rem);
    letter-spacing: -0.03em;
}

.auth-message__text {
    margin: 0;
    color: var(--auth-text-soft);
    font-size: 1rem;
    line-height: 1.7;
}

.auth-message__stack {
    display: grid;
    gap: 12px;
}

.auth-code {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--auth-radius-md);
    background: rgba(239, 246, 255, 0.9);
    border: 1px solid rgba(191, 219, 254, 0.92);
    color: var(--auth-text);
    font-weight: 800;
    flex-wrap: wrap;
}

.auth-helper {
    color: var(--auth-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 640px) {
    .auth-page {
        padding: 20px 14px;
    }

    .auth-card {
        border-radius: 24px;
    }

    .auth-card__body {
        padding: 24px 18px;
    }

    .auth-brand {
        margin-bottom: 22px;
    }

    .auth-brand img {
        height: 38px;
    }

    .auth-heading {
        font-size: 1.9rem;
    }

    .auth-form__row {
        grid-template-columns: 1fr;
    }

    .auth-links {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
    }
}

@media (max-width: 420px) {
    .auth-input,
    .auth-submit {
        min-height: 52px;
    }

    .auth-copy__eyebrow {
        font-size: 0.72rem;
        letter-spacing: 0.1em;
    }
}

/* OAuth: Telegram Login Widget iframe */
.auth-telegram-wrap {
    width: 100%;
    margin-top: 8px;
}
.auth-telegram-wrap iframe {
    max-width: 100%;
}
.auth-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}
.auth-actions .auth-submit,
.auth-actions .auth-submit--secondary,
.auth-actions a.auth-submit--secondary {
    flex: 1 1 auto;
    min-width: 0;
}

/* Блок «Або вхід через» + іконки Google / Telegram */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0 14px;
    font-size: 0.8125rem;
    color: var(--auth-text-muted);
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--auth-border);
}
.auth-divider span {
    flex-shrink: 0;
}
.auth-social-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: center;
}
.auth-btn-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: var(--auth-radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    color: #fff;
    border: 1px solid transparent;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
}
.auth-btn-social:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}
.auth-btn-social--google {
    background: #fff;
    color: #333;
    border-color: var(--auth-border-strong);
}
.auth-btn-social--google svg {
    flex-shrink: 0;
}
.auth-btn-social--telegram {
    background: #0088cc;
    color: #fff;
}
.auth-btn-social--vk {
    background: #2787f5;
    color: #fff;
    font: inherit;
}
.auth-btn-social--disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}
.auth-btn-social--disabled:hover {
    transform: none;
}
.auth-social-telegram {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}