@font-face {
    font-display: swap;
    font-family: "Noto Sans KR";
    font-style: normal;
    font-weight: 400;
    src: url("/fonts/NotoSans-Regular.woff2") format("woff2"),
         url("/fonts/NotoSans-Regular.woff") format("woff");
}

@font-face {
    font-display: swap;
    font-family: "Noto Sans KR";
    font-style: normal;
    font-weight: 700;
    src: url("/fonts/NotoSans-Bold.woff2") format("woff2");
}

:root {
    color-scheme: light dark;
    --font-ui: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --bg-body: #f3f6fb;
    --bg-pattern: #ffffff;
    --pattern-line: #dddddd;
    --pattern-block: rgba(221, 221, 221, 0.56);
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.175);
    --card-shadow: 0 10px 28px rgba(0, 0, 0, 0.15);
    --text-primary: #1b1f24;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --link: #0067b8;
    --focus-ring: rgba(0, 103, 184, 0.22);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-ci-theme]) {
        --bg-body: #161616;
        --bg-pattern: #262626;
        --pattern-line: #444444;
        --pattern-block: rgba(68, 68, 68, 0.66);
        --card-bg: #262626;
        --card-border: #393939;
        --card-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
        --text-primary: #f4f4f4;
        --text-secondary: #c6c6c6;
        --text-muted: #a8a8a8;
        --link: #78a9ff;
        --focus-ring: rgba(69, 137, 255, 0.35);
    }
}

html[data-ci-theme="dark"] {
    color-scheme: dark;
    --bg-body: #161616;
    --bg-pattern: #262626;
    --pattern-line: #444444;
    --pattern-block: rgba(68, 68, 68, 0.66);
    --card-bg: #262626;
    --card-border: #393939;
    --card-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
    --text-primary: #f4f4f4;
    --text-secondary: #c6c6c6;
    --text-muted: #a8a8a8;
    --link: #78a9ff;
    --focus-ring: rgba(69, 137, 255, 0.35);
}

html[data-ci-theme="light"] {
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    background: var(--bg-body);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 15px;
    line-height: 1.55;
}

body::before {
    background-color: var(--bg-pattern);
    background-image:
        linear-gradient(90deg, var(--pattern-line) 1px, transparent 1px),
        linear-gradient(0deg, var(--pattern-line) 1px, transparent 1px),
        linear-gradient(135deg, transparent 0 40%, var(--pattern-block) 40% 60%, transparent 60% 100%);
    background-size: 96px 96px, 96px 96px, 384px 384px;
    content: "";
    inset: 0;
    opacity: 0.88;
    position: fixed;
    z-index: -1;
}

a {
    color: var(--link);
}

.portal-shell {
    align-items: center;
    display: flex;
    min-height: 100vh;
    padding: 40px 20px 64px;
}

.portal-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    margin: 0 auto;
    max-width: calc(100vw - 40px);
    padding: 36px;
    width: 480px;
}

.portal-header {
    margin-bottom: 26px;
}

.brand-link {
    display: inline-flex;
    line-height: 0;
}

.brand-link:focus-visible {
    box-shadow: 0 0 0 3px var(--focus-ring);
    outline: 2px solid var(--link);
    outline-offset: 4px;
}

.site-logo {
    display: block;
    height: 21px;
    margin-top: 6px;
    width: auto;
}

.logo-dark {
    display: none;
}

.eyebrow {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0;
    margin: 0 0 8px;
    text-transform: uppercase;
}

#page-title {
    color: var(--text-primary);
    font-size: 19.2px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.32;
    margin: 0;
}

.lead {
    color: var(--text-secondary);
    font-size: 15px;
    margin: 14px 0 0;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-ci-theme]) .logo-light {
        display: none;
    }

    :root:not([data-ci-theme]) .logo-dark {
        display: block;
    }
}

html[data-ci-theme="dark"] .logo-light {
    display: none;
}

html[data-ci-theme="dark"] .logo-dark {
    display: block;
}

html[data-ci-theme="light"] .logo-light {
    display: block;
}

html[data-ci-theme="light"] .logo-dark {
    display: none;
}

@media (max-width: 700px), (max-height: 500px) {
    .portal-shell {
        align-items: center;
        padding: 18px 14px 30px;
    }

    .portal-card {
        border: 1px solid var(--card-border);
        box-shadow: var(--card-shadow);
        max-width: min(480px, calc(100vw - 28px));
        min-height: auto;
        padding: 32px 28px;
        width: 100%;
    }
}