:root { color-scheme: light; --ink: #24251e; --paper: #f5f0df; --accent: #aa471c; --line: #d5cbb5; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: radial-gradient(ellipse at top right, #e8c78566, transparent 65%), var(--paper); font-family: "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; line-height: 1.65; }
main { max-width: 850px; margin: auto; padding: 40px 22px; }
header { border-top: 5px solid var(--ink); padding-top: 18px; }
h1 { font-family: "AppleMyungjo", "Batang", serif; font-size: clamp(2rem, 6vw, 3.3rem); margin: 0; letter-spacing: -.04em; }
.eyebrow { font: 12px monospace; letter-spacing: .18em; color: var(--accent); }
section, article { margin: 24px 0; }
article { padding: 22px; background: #fffdf5; border: 1px solid var(--line); border-left: 4px solid var(--accent); }
aside { padding: 18px; background: #f1d9a8; border: 1px solid #c6a567; }
h2 { margin: 0 0 12px; font-size: 1.25rem; overflow-wrap: anywhere; }
.detail { white-space: pre-wrap; overflow-wrap: anywhere; font: 12px/1.8 monospace; }
pre { background: #24251e; color: #fff5d8; padding: 16px; overflow: auto; max-height: 55vh; font: 13px/1.6 monospace; }
button { background: var(--ink); color: #fff8e7; border: 1px solid var(--ink); border-radius: 3px; padding: 12px 16px; font: inherit; cursor: pointer; margin: 10px 8px 0 0; min-height: 48px; }
button.secondary { background: transparent; color: var(--ink); }
button:disabled { opacity: .5; cursor: wait; }
button:focus-visible, input:focus-visible, pre:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
label { display: block; margin-top: 16px; }
input[type=password] { width: 100%; font: inherit; padding: 12px; border: 1px solid var(--line); }
input[type=checkbox] { width: 20px; height: 20px; vertical-align: middle; accent-color: var(--accent); }
#message { color: var(--accent); overflow-wrap: anywhere; }
footer { padding-top: 24px; border-top: 1px solid var(--line); font-size: 12px; }
[hidden] { display: none !important; }
@media(max-width: 480px) { main { padding: 24px 14px; } article { padding: 14px; } button { width: 100%; } }