:root {
    --cr-bg: #f8f9fa;
    --cr-card: #ffffff;
    --cr-border: #ced4da;
    --cr-border-strong: #adb5bd;
    --cr-text: #212529;
    --cr-text-dimmed: #868e96;
    --cr-primary: #228be6;
    --cr-primary-hover: #1c7ed6;
    --cr-danger: #fa5252;
    --cr-danger-bg: #fff5f5;
    --cr-success: #40c057;
    --cr-success-bg: #ebfbee;
    --cr-warning: #fab005;
    --cr-warning-bg: #fff9db;
    --cr-info-bg: #e7f5ff;
    --cr-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --cr-radius: 8px;
    --cr-radius-sm: 4px;
    --cr-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --cr-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

html,
body {
    margin: 0;
    padding: 0;
    background: var(--cr-bg);
    color: var(--cr-text);
    font-family: var(--cr-font);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.cr-auth {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4rem 1rem 2rem;
    box-sizing: border-box;
}

.cr-auth-brand {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--cr-text);
    margin-bottom: 1.5rem;
}

.cr-card {
    background: var(--cr-card);
    border-radius: var(--cr-radius);
    box-shadow: var(--cr-shadow);
    padding: 2rem 2.5rem;
    width: 100%;
    max-width: 420px;
    box-sizing: border-box;
}

.cr-card h1 {
    font-size: 1.375rem;
    font-weight: 600;
    margin: 0 0 1rem;
    color: var(--cr-text);
}

.cr-card h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem;
    color: var(--cr-text);
}

.cr-card p {
    margin: 0 0 1rem;
}

.cr-card a {
    color: var(--cr-primary);
    text-decoration: none;
}

.cr-card a:hover {
    text-decoration: underline;
}

.cr-card form {
    margin: 0;
}

.cr-card form > p {
    margin: 0 0 1rem;
}

.cr-card form > p:not(:has(input[type="checkbox"], input[type="radio"])) {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.cr-card form > p:has(input[type="checkbox"], input[type="radio"]) label {
    font-weight: 400;
    color: var(--cr-text);
}

.cr-card form > p:has(input[type="checkbox"], input[type="radio"]) input {
    margin: 0 0 0 0.5rem;
    vertical-align: middle;
}

.cr-card label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cr-text);
}

.cr-card input[type="text"],
.cr-card input[type="email"],
.cr-card input[type="password"],
.cr-card input[type="tel"],
.cr-card input[type="number"],
.cr-card input:not([type]),
.cr-card textarea {
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--cr-text);
    background: var(--cr-card);
    border: 1px solid var(--cr-border);
    border-radius: var(--cr-radius-sm);
    padding: 0.5rem 0.75rem;
    transition: border-color 120ms ease, box-shadow 120ms ease;
}

.cr-card input:focus,
.cr-card textarea:focus {
    outline: none;
    border-color: var(--cr-primary);
    box-shadow: 0 0 0 3px rgba(34, 139, 230, 0.18);
}

.cr-card input[disabled],
.cr-card textarea[disabled] {
    background: var(--cr-bg);
    color: var(--cr-text-dimmed);
    cursor: not-allowed;
    font-family: var(--cr-font-mono);
}

.cr-card textarea {
    font-family: var(--cr-font-mono);
    font-size: 0.875rem;
    min-height: 7rem;
    white-space: pre;
    resize: vertical;
}

.cr-card input[type="hidden"] {
    display: none;
}

.cr-card input[type="checkbox"],
.cr-card input[type="radio"] {
    margin-right: 0.5rem;
    accent-color: var(--cr-primary);
}

.cr-card button,
.cr-card a.cr-btn,
.cr-card form ~ a[href],
.cr-card > a[href],
.cr-card .cr-actions a[href] {
    display: inline-block;
    font: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1;
    color: #fff;
    background: var(--cr-primary);
    border: 1px solid var(--cr-primary);
    border-radius: var(--cr-radius-sm);
    padding: 0.625rem 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 120ms ease, border-color 120ms ease;
}

.cr-card button:hover,
.cr-card a.cr-btn:hover,
.cr-card form ~ a[href]:hover,
.cr-card > a[href]:hover,
.cr-card .cr-actions a[href]:hover {
    background: var(--cr-primary-hover);
    border-color: var(--cr-primary-hover);
    text-decoration: none;
}

.cr-card button:focus-visible,
.cr-card a.cr-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(34, 139, 230, 0.35);
}

.cr-card form button[type="submit"] {
    width: 100%;
    margin-top: 0.5rem;
}

.cr-card .cr-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.cr-card .cr-divider {
    flex-basis: 100%;
    width: 100%;
    margin: 0.5rem 0;
    border: 0;
    border-top: 1px solid var(--cr-border);
}

.cr-card form > ul:not(.errorlist) {
    margin: 0.25rem 0 1rem;
    padding-left: 1.25rem;
    font-size: 0.875rem;
    line-height: 1.4;
}

.cr-card form > ul:not(.errorlist) li {
    margin-bottom: 0.125rem;
}

.cr-card ul.errorlist {
    list-style: none;
    margin: 0 0 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--cr-danger-bg);
    border: 1px solid var(--cr-danger);
    border-radius: var(--cr-radius-sm);
    color: var(--cr-danger);
    font-size: 0.875rem;
}

.cr-card ul.errorlist + p input,
.cr-card ul.errorlist + p textarea {
    border-color: var(--cr-danger);
}

.cr-card img {
    display: block;
    margin: 0 auto 1rem;
    max-width: 220px;
    height: auto;
}

.cr-messages {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
    width: 100%;
    max-width: 420px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cr-msg {
    padding: 0.625rem 0.875rem;
    border-radius: var(--cr-radius-sm);
    border: 1px solid var(--cr-border);
    background: var(--cr-card);
    font-size: 0.9375rem;
}

.cr-msg-success {
    background: var(--cr-success-bg);
    border-color: var(--cr-success);
    color: #2b8a3e;
}

.cr-msg-error {
    background: var(--cr-danger-bg);
    border-color: var(--cr-danger);
    color: #c92a2a;
}

.cr-msg-warning {
    background: var(--cr-warning-bg);
    border-color: var(--cr-warning);
    color: #846100;
}

.cr-msg-info,
.cr-msg-debug {
    background: var(--cr-info-bg);
    border-color: var(--cr-primary);
    color: #1864ab;
}

@media (max-width: 480px) {
    .cr-auth {
        padding: 2rem 0.75rem 1rem;
    }

    .cr-card {
        padding: 1.5rem 1.25rem;
        box-shadow: none;
        border: 1px solid var(--cr-border);
    }
}

@media (prefers-reduced-motion: reduce) {
    .cr-card input,
    .cr-card textarea,
    .cr-card button,
    .cr-card a.cr-btn {
        transition: none;
    }
}