:root {
    color-scheme: light dark;
    --auth-bg: #ffffff;
    --auth-surface: #fff;
    --auth-text: #212529;
    --auth-muted: #6c757d;
    --auth-border: #dee2e6;
    --auth-input: #fff;
    --auth-primary: #0d6efd;
    --auth-primary-hover: #0b5ed7;
}

@media (prefers-color-scheme: dark) {
    :root {
        --auth-bg: #121416;
        --auth-surface: #1d2125;
        --auth-text: #e9ecef;
        --auth-muted: #adb5bd;
        --auth-border: #495057;
        --auth-input: #252a2e;
        --auth-primary: #4d9aff;
        --auth-primary-hover: #78b4ff;
    }
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    background: var(--auth-bg);
    color: var(--auth-text);
    font: 1rem/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

a {
    color: var(--auth-primary);
}

.h-100 {
    min-height: 100vh;
}

.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
}

.row {
    display: flex;
    justify-content: center;
}

.col-xxl-4, .col-xl-5, .col-lg-5, .col-md-7, .col-sm-9 {
    width: 100%;
    max-width: 440px;
}

.col-xxl-6, .col-xl-7, .col-lg-7, .col-md-9, .col-sm-12 {
    width: 100%;
    max-width: 700px;
}

.text-center {
    text-align: center;
}

.my-5 {
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.mt-5 {
    margin-top: 3rem;
}

.mb-2 {
    margin-bottom: .5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.p-5 {
    padding: 3rem;
}

.py-3 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.w-100 {
    width: 100%;
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.ms-auto {
    margin-left: auto;
}

.ms-2 {
    margin-left: .5rem;
}

.card {
    background: var(--auth-surface);
    border: 1px solid var(--auth-border);
    border-radius: .5rem;
    overflow: hidden;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgb(0 0 0 / 15%);
}

.card-title {
    color: var(--auth-text);
}

.fw-bold {
    font-weight: 700;
}

.fs-4 {
    font-size: 1.5rem;
}

.fs-5 {
    font-size: 1.25rem;
}

.text-muted {
    color: var(--auth-muted);
}

label {
    display: inline-block;
}

.form-control {
    display: block;
    width: 100%;
    padding: .375rem .75rem;
    font: inherit;
    color: var(--auth-text);
    background: var(--auth-input);
    border: 1px solid var(--auth-border);
    border-radius: .375rem;
}

input.form-control {
    min-height: 38px;
}

.was-validated input.form-control:invalid {
    padding-right: 2.5rem;
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='7.5' fill='none' stroke='%23dc3545' stroke-width='1.5'/%3E%3Cpath d='M10 5.8v4.7' stroke='%23dc3545' stroke-width='1.5' stroke-linecap='round'/%3E%3Ccircle cx='10' cy='13.5' r='.8' fill='%23dc3545'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .75rem center;
    background-size: 1.25rem 1.25rem;
}

.form-control:focus {
    outline: 2px solid color-mix(in srgb, var(--auth-primary) 45%, transparent);
    border-color: var(--auth-primary);
}

textarea.form-control, pre.form-control {
    white-space: pre-wrap;
}

.btn {
    display: inline-block;
    padding: .375rem .75rem;
    border: 1px solid transparent;
    border-radius: .375rem;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    color: #fff;
    background: var(--auth-primary);
    border-color: var(--auth-primary);
}

.btn-primary:hover {
    background: var(--auth-primary-hover);
}

.btn-outline-dark {
    color: var(--auth-text);
    background: transparent;
    border-color: var(--auth-border);
}

.btn-outline-dark:hover {
    background: color-mix(in srgb, var(--auth-text) 10%, transparent);
}

.oauth-login-btn {
    display: flex;
    align-items: center;
}

.oauth-login-btn > span:first-child {
    display: flex;
    flex: 0 0 20px;
    align-items: center;
    justify-content: center;
}

.oauth-login-btn svg {
    display: block;
}

.oauth-login-text {
    width: 100%;
}

.form-check {
    display: flex;
    align-items: center;
    gap: .4rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
}

.card-footer {
    border-top: 1px solid var(--auth-border);
}

hr {
    border: 0;
    border-top: 1px solid var(--auth-border);
    margin: 1.5rem 0;
}

.invalid-feedback {
    display: none;
    color: #dc3545;
    font-size: .875rem;
}

.was-validated :invalid ~ .invalid-feedback, .invalid-feedback.show {
    display: block;
}

#fatal-msg, #error-msg {
    color: #dc3545;
}

#cf-turnstile {
    min-height: 96px;
}

#cf-turnstile iframe {
    width: 99% !important;
    max-width: 300px;
}

#key2 {
    cursor: pointer;
}

pre {
    overflow: auto;
}

body > pre {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
    white-space: pre-wrap;
}

@media (prefers-color-scheme: dark) {
    a[href="/oauth/github"] svg,
    a[href="javascript:"] svg,
    a[href="/auth/register"] svg {
        filter: invert(1);
    }
}

@media (max-width: 576px) {
    .p-5 {
        padding: 1.5rem;
    }

    .my-5 {
        margin-top: 1.5rem;
        margin-bottom: 1.5rem;
    }
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}