* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--color-bg);
}

.auth-page {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-ui);
}

.auth-shell {
    width: min(100%, 440px);
    display: grid;
    gap: 44px;
}

.auth-brand {
    display: flex;
    justify-content: center;
    padding: 0 18px;
}

.auth-logo {
    display: block;
    width: min(220px, 70%);
    height: auto;
}

.auth-card {
    width: 100%;
    padding: 28px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    box-shadow: var(--shadow-card);
}

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

.auth-kicker {
    margin-bottom: 8px;
    color: var(--color-brand-hover);
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.auth-header h1 {
    margin: 0 0 8px;
    color: var(--color-text);
    font-size: clamp(2rem, 7vw, 2.35rem);
    font-weight: 850;
    line-height: 1.05;
}

.auth-header p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.5;
}

.auth-form {
    display: grid;
    gap: 16px;
}

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

.auth-field label,
.auth-label-row label {
    color: var(--color-text-soft);
    font-size: 0.92rem;
    font-weight: 750;
}

.auth-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}

.auth-label-row a,
.auth-back-link {
    color: var(--color-brand-hover);
    font-size: 0.88rem;
    font-weight: 750;
    text-decoration: none;
    transition: color var(--motion-fast);
}

.auth-label-row a:hover,
.auth-back-link:hover {
    color: var(--color-brand);
}

.auth-field input {
    width: 100%;
    min-height: 46px;
    padding: 12px 14px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    outline: none;
    background: var(--color-bg-soft);
    color: var(--color-text);
    font: inherit;
    transition: border-color var(--motion-fast), box-shadow var(--motion-fast), background var(--motion-fast);
}

.auth-field input:focus {
    border-color: var(--color-brand-border);
    box-shadow: 0 0 0 3px var(--color-brand-soft);
    background: var(--color-surface-alt);
}

.auth-field input:focus-visible {
    border-color: var(--color-brand-border);
    box-shadow: 0 0 0 3px var(--color-brand-soft);
    background: var(--color-surface-alt);
}

.auth-field input:autofill {
    border-color: var(--color-brand-border);
    background: var(--color-bg-soft);
    color: var(--color-text);
    caret-color: var(--color-text);
    box-shadow: 0 0 0 1000px var(--color-bg-soft) inset;
}

.auth-field input:-webkit-autofill {
    border-color: var(--color-brand-border);
    box-shadow: 0 0 0 1000px var(--color-bg-soft) inset;
    -webkit-text-fill-color: var(--color-text);
    caret-color: var(--color-text);
}

.password-control {
    position: relative;
}

.password-control input {
    padding-right: 54px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    background: transparent;
    color: var(--color-brand);
    cursor: pointer;
    transform: translateY(-50%);
    transition: background var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast), box-shadow var(--motion-fast);
}

.password-toggle:hover,
.password-toggle:focus-visible {
    background: var(--color-brand-soft);
    border-color: var(--color-brand-border);
    color: var(--color-brand-hover);
}

.password-toggle:focus-visible,
.auth-button:focus-visible,
.auth-label-row a:focus-visible,
.auth-back-link:focus-visible {
    outline: 2px solid var(--color-brand-hover);
    outline-offset: 3px;
}

.password-toggle-icon {
    width: 18px;
    height: 18px;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.password-toggle-icon-hide,
.password-control.is-visible .password-toggle-icon-show {
    display: none;
}

.password-control.is-visible .password-toggle-icon-hide {
    display: block;
}

.auth-button {
    width: 100%;
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border: 1px solid var(--color-success);
    border-radius: var(--button-radius);
    background: var(--color-success);
    color: var(--color-success-contrast);
    cursor: pointer;
    font: inherit;
    font-size: 1rem;
    font-weight: var(--button-font-weight);
    line-height: 1;
    text-decoration: none;
    transition: var(--button-transition);
}

.auth-button:hover {
    background: var(--color-success-hover);
    border-color: var(--color-success-hover);
    color: var(--color-success-contrast);
    transform: var(--hover-lift-control);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
}

.auth-button:disabled {
    opacity: 0.52;
    cursor: not-allowed;
}

.auth-button:disabled:hover {
    background: var(--color-success);
    border-color: var(--color-success);
    transform: none;
    box-shadow: none;
}

.auth-button-link {
    margin-top: 18px;
}

.auth-alert {
    margin-bottom: 16px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.94rem;
    line-height: 1.45;
}

.auth-alert-error {
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger-text);
}

.auth-alert-success {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: var(--color-success-text);
}

.auth-alert-warning {
    background: var(--color-info-bg);
    border: 1px solid var(--color-info-border);
    color: var(--color-info-text);
}

.auth-back-link {
    display: block;
    margin-top: 20px;
    text-align: center;
}

@media (max-width: 520px) {
    .auth-page {
        padding: 16px;
        align-items: start;
    }

    .auth-card {
        padding: 22px;
    }

    .auth-shell {
        gap: 32px;
    }

    .auth-logo {
        width: min(190px, 70%);
    }

    .auth-label-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }
}