*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --bg: #eef4f7;
    --surface: rgba(255, 255, 255, 0.62);
    --surface-strong: rgba(255, 255, 255, 0.78);
    --surface-soft: rgba(255, 255, 255, 0.42);
    --ink: #23313a;
    --muted: rgba(35, 49, 58, 0.68);
    --soft: rgba(35, 49, 58, 0.44);
    --text: var(--ink);
    --text-muted: var(--muted);
    --primary: #247a92;
    --primary-ink: #1d6478;
    --accent: #2a7e71;
    --accent-soft: rgba(42, 126, 113, 0.08);
    --accent-strong: #172321;
    --violet: #6c63ff;
    --line: rgba(255, 255, 255, 0.72);
    --line-dark: rgba(50, 92, 110, 0.12);
    --danger: #b72e2e;
    --danger-bg: rgba(183, 46, 46, 0.08);
    --success: #238a4e;
    --success-bg: rgba(35, 138, 78, 0.08);
    --radius: 13px;
    --radius-lg: 18px;
    --shadow: 0 22px 70px rgba(25, 52, 65, 0.12), 0 8px 22px rgba(25, 52, 65, 0.08);
    --shadow-soft: 0 12px 34px rgba(25, 52, 65, 0.08);
    --glass-border: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(135, 190, 205, 0.18));
    --cool-gradient: linear-gradient(135deg, rgba(38, 124, 150, 0.12), rgba(108, 99, 255, 0.08));
    --ring: 0 0 0 4px rgba(42, 126, 113, 0.12), 0 0 0 1px rgba(42, 126, 113, 0.3);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

body {
    margin: 0;
    background:
        radial-gradient(900px 520px at 12% -8%, rgba(104, 196, 212, 0.22), transparent 68%),
        radial-gradient(720px 460px at 92% 8%, rgba(108, 99, 255, 0.13), transparent 66%),
        radial-gradient(620px 420px at 82% 96%, rgba(45, 139, 161, 0.12), transparent 70%),
        linear-gradient(145deg, #f7fbfc 0%, #edf4f7 48%, #f3f1fa 100%);
    color: var(--ink);
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(rgba(35, 80, 96, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(35, 80, 96, 0.035) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.48), transparent 76%);
}

a {
    color: inherit;
}

button,
input {
    font: inherit;
}

.auth-page,
.auth-standalone {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 100dvh;
    padding: clamp(18px, 4vw, 42px);
    position: relative;
}

.auth-container {
    align-items: center;
    display: flex;
    justify-content: center;
    width: 100%;
}

.auth-card {
    backdrop-filter: blur(26px) saturate(145%);
    -webkit-backdrop-filter: blur(26px) saturate(145%);
    background:
        linear-gradient(145deg, var(--surface-strong), var(--surface-soft)),
        var(--cool-gradient);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    max-width: 460px;
    overflow: hidden;
    padding: clamp(22px, 4vw, 34px);
    position: relative;
    width: 100%;
}

.auth-card::before {
    background: var(--glass-border);
    border-radius: inherit;
    content: "";
    inset: 0;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    padding: 1px;
    pointer-events: none;
    position: absolute;
}

.auth-card > * {
    position: relative;
    z-index: 1;
}

.auth-card-simple {
    max-width: 430px;
}

.auth-logo {
    margin-bottom: 22px;
    text-align: center;
}

.auth-logo-img {
    display: block;
    height: 34px;
    margin: 0 auto 20px;
    max-width: 238px;
    object-fit: contain;
    width: auto;
}

.auth-logo h1 {
    color: var(--ink);
    font-size: clamp(28px, 5vw, 38px);
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
    margin: 0;
}

.auth-logo p {
    color: var(--muted);
    font-size: 0.98rem;
    margin: 10px 0 0;
}

.auth-form,
form {
    display: grid;
    gap: 14px;
}

.form-group {
    display: grid;
    gap: 7px;
}

.form-group label,
.consent-section-title {
    color: var(--ink);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.form-group input {
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid var(--line-dark);
    border-radius: var(--radius);
    color: var(--ink);
    font: inherit;
    height: 49px;
    outline: none;
    padding: 0 14px;
    transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
    width: 100%;
}

.form-group input::placeholder {
    color: var(--soft);
}

.form-group input:hover {
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(36, 122, 146, 0.18);
}

.form-group input:focus,
.form-group input:focus-visible {
    background: rgba(255, 255, 255, 0.86);
    border-color: rgba(42, 126, 113, 0.38);
    box-shadow: var(--ring);
}

.btn,
.btn-social {
    align-items: center;
    border-radius: var(--radius);
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-weight: 700;
    justify-content: center;
    text-decoration: none;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.btn {
    border: 1px solid transparent;
    height: 50px;
    padding: 0 18px;
    width: 100%;
}

.btn-primary {
    background: rgba(23, 35, 33, 0.08);
    border-color: rgba(23, 35, 33, 0.14);
    box-shadow: var(--shadow-soft);
    color: var(--ink);
}

.btn-primary:hover {
    background: rgba(23, 35, 33, 0.12);
    border-color: rgba(23, 35, 33, 0.2);
}

.divider {
    align-items: center;
    color: var(--muted);
    display: flex;
    font-size: 0.74rem;
    font-weight: 700;
    gap: 12px;
    letter-spacing: 0.08em;
    margin: 22px 0;
    text-transform: uppercase;
}

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

.social-buttons {
    display: grid;
    gap: 10px;
    grid-template-columns: 1fr 1fr;
}

.btn-social {
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid var(--line-dark);
    color: var(--ink);
    gap: 8px;
    height: 46px;
}

.btn-social:hover {
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(36, 122, 146, 0.18);
}

.btn-social svg {
    flex: 0 0 auto;
    height: 18px;
    width: 18px;
}

.auth-footer {
    color: var(--muted);
    font-size: 0.94rem;
    margin-top: 22px;
    text-align: center;
}

.auth-footer a,
.field-row a,
.consent-read-more,
.legal-content a {
    color: var(--primary-ink);
    font-weight: 700;
    text-decoration: none;
}

.auth-footer a:hover,
.field-row a:hover,
.consent-read-more:hover,
.legal-content a:hover {
    color: var(--accent-strong);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.alert {
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.9rem;
    line-height: 1.45;
    margin-bottom: 16px;
    padding: 12px 13px;
}

.alert-error {
    background: var(--danger-bg);
    border-color: rgba(183, 46, 46, 0.16);
    color: var(--danger);
}

.alert-success {
    background: var(--success-bg);
    border-color: rgba(35, 138, 78, 0.16);
    color: var(--success);
}

.consent-section {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--line-dark);
    border-radius: var(--radius);
    display: grid;
    gap: 14px;
    margin: 4px 0 2px;
    padding: 15px;
}

.consent-section-title {
    margin: 0;
}

.consent-group {
    border-top: 1px solid var(--line-dark);
    padding-top: 13px;
}

.consent-group:first-of-type {
    border-top: 0;
    padding-top: 0;
}

.consent-label {
    cursor: pointer;
    display: flex;
    gap: 12px;
}

.consent-label input[type="checkbox"] {
    accent-color: var(--accent);
    flex: 0 0 auto;
    height: 18px;
    margin-top: 2px;
    width: 18px;
}

.consent-text {
    display: grid;
    gap: 5px;
}

.consent-title {
    color: var(--ink);
    font-size: 0.92rem;
    font-weight: 700;
}

.consent-optional,
.consent-description {
    color: var(--muted);
    font-size: 0.84rem;
}

.consent-read-more {
    font-size: 0.84rem;
}

.result-block {
    display: grid;
    gap: 13px;
    justify-items: center;
    text-align: center;
}

.result-block h2 {
    color: var(--ink);
    font-size: 1.4rem;
    margin: 4px 0 0;
}

.result-block p {
    color: var(--muted);
    margin: 0 0 6px;
}

.result-icon {
    align-items: center;
    background: var(--accent-soft);
    border: 1px solid rgba(42, 126, 113, 0.12);
    border-radius: 50%;
    color: var(--accent);
    display: inline-flex;
    font-size: 1.45rem;
    font-weight: 700;
    height: 58px;
    justify-content: center;
    width: 58px;
}

.result-error .result-icon {
    background: var(--danger-bg);
    border-color: rgba(183, 46, 46, 0.16);
    color: var(--danger);
}

@media (max-width: 540px) {
    .auth-page,
    .auth-standalone {
        align-items: stretch;
        padding: 12px;
    }

    .auth-card {
        align-self: center;
        padding: 22px 18px;
    }

    .social-buttons {
        grid-template-columns: 1fr;
    }
}