:root {
    --lf-primary: #009D4C;
    --lf-primary-dark: #007a3b;
    --lf-background: #f3f5f4;
    --lf-surface: #ffffff;
    --lf-text: #17211c;
    --lf-muted: #617067;
    --lf-border: #d8e0db;
    --lf-error: #a82020;
    --lf-error-background: #fff0f0;
    --lf-warning: #765600;
    --lf-warning-background: #fff8dc;
    --lf-info: #185f88;
    --lf-info-background: #edf7fc;
    --lf-success: #17663b;
    --lf-success-background: #edf9f2;
    --lf-shadow: 0 18px 50px rgba(16, 48, 31, 0.12);
}

* {
    box-sizing: border-box;
}

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

body {
    min-height: 100vh;
    margin: 0;
    color: var(--lf-text);
    background:
        linear-gradient(135deg, rgba(0, 157, 76, 0.09), transparent 46%),
        var(--lf-background);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

button,
input {
    font: inherit;
}

a {
    color: var(--lf-primary-dark);
}

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 32px 18px;
}

.auth-card {
    width: 100%;
    max-width: 480px;
    padding: 36px;
    border: 1px solid var(--lf-border);
    border-radius: 18px;
    background: var(--lf-surface);
    box-shadow: var(--lf-shadow);
}

.auth-card--wide {
    max-width: 560px;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.auth-brand__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    flex: 0 0 58px;
    border-radius: 14px;
    color: #ffffff;
    background: var(--lf-primary);
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.auth-brand__publisher {
    margin: 0 0 2px;
    color: var(--lf-primary-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.auth-brand h1 {
    margin: 0;
    font-size: 25px;
    line-height: 1.2;
}

.auth-introduction {
    margin: 0 0 24px;
    color: var(--lf-muted);
}

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

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

.form-group label {
    font-size: 14px;
    font-weight: 700;
}

.form-group input {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid var(--lf-border);
    border-radius: 9px;
    color: var(--lf-text);
    background: #ffffff;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus {
    border-color: var(--lf-primary);
    box-shadow: 0 0 0 3px rgba(0, 157, 76, 0.14);
}

.form-group input:disabled {
    cursor: not-allowed;
    background: #eef1ef;
}

.form-group small {
    color: var(--lf-muted);
    font-size: 12px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: 9px;
    cursor: pointer;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button:disabled {
    cursor: not-allowed;
    opacity: 0.62;
    transform: none;
}

.button--primary {
    color: #ffffff;
    background: var(--lf-primary);
}

.button--primary:hover:not(:disabled) {
    background: var(--lf-primary-dark);
}

.button--secondary {
    color: var(--lf-text);
    border-color: var(--lf-border);
    background: #ffffff;
}

.button--danger {
    color: #ffffff;
    background: #a82020;
}

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

.alert {
    margin-bottom: 20px;
    padding: 12px 14px;
    border: 1px solid transparent;
    border-radius: 9px;
    font-size: 14px;
}

.alert a {
    font-weight: 700;
}

.alert--error {
    color: var(--lf-error);
    border-color: #efc3c3;
    background: var(--lf-error-background);
}

.alert--warning {
    color: var(--lf-warning);
    border-color: #ead78b;
    background: var(--lf-warning-background);
}

.alert--info {
    color: var(--lf-info);
    border-color: #bfdeed;
    background: var(--lf-info-background);
}

.alert--success {
    color: var(--lf-success);
    border-color: #bfe1ce;
    background: var(--lf-success-background);
}

.setup-notice {
    margin: 0 0 22px;
    padding: 14px;
    border-left: 4px solid var(--lf-primary);
    background: #f4f8f6;
    font-size: 14px;
}

.setup-notice code {
    padding: 2px 5px;
    border-radius: 4px;
    background: #e7ece9;
}

@media (max-width: 560px) {
    .auth-page {
        align-items: flex-start;
        padding: 18px 12px;
    }

    .auth-card {
        padding: 25px 20px;
        border-radius: 14px;
    }

    .auth-brand {
        align-items: flex-start;
    }

    .auth-brand h1 {
        font-size: 21px;
    }

    .auth-actions {
        display: grid;
    }
}