:root {
  color-scheme: light dark;
  font-family: Inter, Pretendard, system-ui, sans-serif;
  background: #0b1020;
  color: #eef2ff;
}

body { margin: 0; min-height: 100vh; }
.container { display: grid; min-height: 100vh; place-items: center; padding: 2rem; }
.status-card { width: min(34rem, 100%); padding: 2.5rem; border: 1px solid #334155; border-radius: 1rem; background: #111827; box-shadow: 0 1.5rem 4rem #0006; }
.eyebrow { color: #818cf8; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: .4rem 0 1rem; font-size: clamp(2rem, 8vw, 3.5rem); line-height: 1; }
dl div { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-top: 1px solid #334155; }
dt { color: #94a3b8; }
dd { margin: 0; }
a { color: #a5b4fc; }

/* 기존 index.html의 .container/.status-card와 같은 톤을 맞춘다 */
form { display: grid; gap: 1rem; margin-top: 1.5rem; }
label { display: grid; gap: .4rem; font-size: .85rem; color: #94a3b8; }
input { padding: .6rem .75rem; border-radius: .5rem; border: 1px solid #334155; background: #0b1020; color: #eef2ff; font: inherit; }
button { padding: .65rem 1rem; border-radius: .5rem; border: none; background: #818cf8; color: #0b1020; font-weight: 700; cursor: pointer; }
.error { color: #fca5a5; font-size: .85rem; margin: .5rem 0 0; }
.auth-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.auth-actions form, form.auth-actions { display: flex; margin-top: 1.5rem; }
.button { padding: .65rem 1rem; border-radius: .5rem; background: #818cf8; color: #0b1020; font-weight: 700; text-decoration: none; }
.button.secondary { border: 1px solid #818cf8; background: transparent; color: #c7d2fe; }
.auth-guide { margin-top: 1.25rem; color: #94a3b8; font-size: .9rem; }

/* /chat 화면 전용 스타일 */
.chat-card { width: min(40rem, 100%); }
textarea { padding: .6rem .75rem; border-radius: .5rem; border: 1px solid #334155; background: #0b1020; color: #eef2ff; font: inherit; resize: vertical; }
.chat-log { display: grid; gap: .6rem; max-height: 22rem; overflow-y: auto; margin-top: 1.25rem; padding-right: .25rem; }
.chat-message { margin: 0; padding: .6rem .85rem; border-radius: .6rem; white-space: pre-wrap; word-break: break-word; }
.chat-message--user { justify-self: end; background: #818cf8; color: #0b1020; }
.chat-message--assistant { justify-self: start; background: #1f2937; border: 1px solid #334155; }

/* /history 화면 전용 스타일 */
.history-card { width: min(48rem, 100%); }
.history-list { display: grid; gap: 1rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.history-item { padding: 1rem; border: 1px solid #334155; border-radius: .75rem; background: #0b1020; }
.history-item time { color: #94a3b8; font-size: .8rem; }
.history-messages { margin: .75rem 0 0; }
.history-messages div { align-items: flex-start; }
.history-messages dt { flex: 0 0 2.5rem; font-weight: 700; }
.history-messages dd { white-space: pre-wrap; overflow-wrap: anywhere; }
.empty-state { margin: 1.5rem 0; padding: 1rem; border: 1px dashed #334155; border-radius: .75rem; color: #94a3b8; text-align: center; }
.pagination { display: flex; justify-content: space-between; gap: .75rem; margin-top: 1.25rem; }