:root {
    --auth-font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --auth-primary: #4f8df9;
    --auth-primary-strong: #1d4ed8;
    --auth-surface: rgba(255, 255, 255, 0.96);
    --auth-muted: #64748b;
    --auth-danger: #ef4444;
    --auth-success: #16a34a;
    --auth-radius-lg: 28px;
    --auth-radius-md: 18px;
    --auth-shadow: 0 40px 80px -50px rgba(15, 23, 42, 0.45);
}

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

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--auth-font);
    background: radial-gradient(circle at top left, rgba(79, 141, 249, 0.35), transparent 45%), radial-gradient(circle at bottom right, rgba(96, 212, 255, 0.28), transparent 40%), linear-gradient(180deg, #f4f7ff 0%, #e9f0ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    color: #0f172a;
}

.auth-container {
    width: 100%;
    max-width: 1040px;
    background: rgba(255, 255, 255, 0.78);
    border-radius: var(--auth-radius-lg);
    box-shadow: var(--auth-shadow);
    backdrop-filter: blur(12px);
    display: grid;
    grid-template-columns: minmax(280px, 1fr) minmax(320px, 420px);
    overflow: hidden;
}

.auth-aside {
    background: linear-gradient(135deg, rgba(79, 141, 249, 0.92), rgba(96, 212, 255, 0.85));
    color: #ffffff;
    padding: 48px 44px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.auth-logo__icon {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.2);
    font-size: 24px;
}

.auth-logo__meta {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.auth-logo__title {
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
}

.auth-logo__subtitle {
    font-size: 12px;
    letter-spacing: 0.38em;
    opacity: 0.8;
}

.auth-aside__content {
    margin-top: 64px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.auth-aside__content h2 {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
}

.auth-aside__content p {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.92;
}

.auth-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.auth-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
}

.auth-footer {
    font-size: 12px;
    opacity: 0.8;
}

.auth-main {
    padding: 48px 44px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.auth-headline {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-headline h1 {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
}

.auth-headline p {
    margin: 0;
    color: var(--auth-muted);
    font-size: 14px;
}

.auth-alert {
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 14px;
    background: rgba(239, 68, 68, 0.12);
    color: var(--auth-danger);
    border: 1px solid rgba(239, 68, 68, 0.24);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.auth-field label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--auth-muted);
}

.auth-input {
    width: 100%;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(255, 255, 255, 0.96);
    padding: 12px 14px;
    font-size: 15px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-input:focus {
    outline: none;
    border-color: rgba(79, 141, 249, 0.8);
    box-shadow: 0 0 0 3px rgba(79, 141, 249, 0.15);
}

.auth-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    border-radius: 16px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, rgba(79, 141, 249, 0.95), rgba(96, 212, 255, 0.95));
    color: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px -24px rgba(79, 141, 249, 0.8);
}

.auth-secondary {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 12px 0;
    font-weight: 600;
    color: var(--auth-primary);
    cursor: pointer;
}

.auth-secondary:hover {
    color: var(--auth-primary-strong);
}

.auth-switch {
    font-size: 13px;
    color: var(--auth-muted);
    text-align: center;
}

.auth-switch a {
    color: var(--auth-primary);
    font-weight: 600;
}

.auth-switch a:hover {
    color: var(--auth-primary-strong);
}

@media (max-width: 900px) {
    body {
        padding: 24px;
    }

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

    .auth-aside {
        padding: 40px 32px;
    }

    .auth-main {
        padding: 40px 32px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 16px;
    }

    .auth-container {
        border-radius: 18px;
    }

    .auth-aside {
        padding: 32px 24px;
    }

    .auth-main {
        padding: 32px 24px;
    }
}