:root {
  color-scheme: light dark;
  --bg: #0b1120; --bg2: #0f172a; --card: #111c33; --line: #1e2b47;
  --fg: #e6edf6; --muted: #93a4bd; --accent: #38bdf8; --accent2: #818cf8;
  --green: #34d399; --red: #f87171; --amber: #fbbf24;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #16233f 0%, var(--bg) 60%);
  color: var(--fg); line-height: 1.6; min-height: 100vh; -webkit-font-smoothing: antialiased;
}
.muted { color: var(--muted); }
.link { color: var(--accent); background: none; border: none; cursor: pointer; text-decoration: none; font: inherit; }
.link:hover { text-decoration: underline; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 1rem; padding: 2.2rem; width: 100%; max-width: 22rem; }
.brand { font-size: 1.4rem; font-weight: 800; margin-bottom: 0.3rem; }
.brand-sm { font-weight: 700; }
.login-card form { display: grid; gap: 0.4rem; margin-top: 1.2rem; }
label { font-size: 0.85rem; color: var(--muted); margin-top: 0.6rem; }
input, select, textarea {
  background: var(--bg2); border: 1px solid var(--line); color: var(--fg);
  border-radius: 0.5rem; padding: 0.65rem 0.8rem; font: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; }
.btn-primary {
  margin-top: 1rem; background: linear-gradient(120deg, var(--accent), var(--accent2));
  color: #04101f; font-weight: 700; border: none; border-radius: 0.6rem;
  padding: 0.75rem; cursor: pointer; font: inherit; font-weight: 700;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:disabled { opacity: 0.5; cursor: wait; }
.btn-secondary { background: var(--bg2); border: 1px solid var(--line); color: var(--fg); border-radius: 0.5rem; padding: 0.5rem 1rem; cursor: pointer; font: inherit; margin-top: 1rem; }
.alert { background: #f8717122; border: 1px solid #f8717155; color: #fca5a5; padding: 0.7rem; border-radius: 0.5rem; font-size: 0.9rem; margin-top: 1rem; }

/* Topbar */
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #0b1120ee; backdrop-filter: blur(8px); z-index: 5; }
.topbar-right { display: flex; gap: 1rem; align-items: center; font-size: 0.9rem; }

/* Layout */
.container { max-width: 56rem; margin: 0 auto; padding: 1.5rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem; margin-bottom: 1.5rem; }
.card h2 { font-size: 1.2rem; margin-bottom: 0.4rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 0.8rem; }

/* Tabs */
.tabs { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; }
.tab { background: var(--card); border: 1px solid var(--line); color: var(--muted); padding: 0.6rem 1.1rem; border-radius: 0.6rem; cursor: pointer; font: inherit; }
.tab.active { color: var(--fg); border-color: var(--accent); background: #38bdf81a; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* Dropzone */
.dropzone { border: 2px dashed var(--line); border-radius: 0.8rem; padding: 2rem; text-align: center; margin-top: 1rem; transition: border-color .2s; }
.dropzone.drag { border-color: var(--accent); background: #38bdf80d; }
.upload-status { margin-top: 1rem; font-size: 0.9rem; }
.upload-status .row { padding: 0.5rem; border-radius: 0.5rem; margin-top: 0.4rem; background: var(--bg2); text-align: left; }
.upload-status .ok { color: var(--green); }
.upload-status .err { color: var(--red); }
.upload-status .loading { color: var(--accent); }

/* Doc list */
.doc-list { display: grid; gap: 0.7rem; }
.doc-item { background: var(--card); border: 1px solid var(--line); border-radius: 0.7rem; padding: 1rem; cursor: pointer; transition: border-color .15s; }
.doc-item:hover { border-color: #38bdf855; }
.doc-head { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.doc-name { font-weight: 600; }
.doc-summary { color: var(--muted); font-size: 0.9rem; margin-top: 0.6rem; white-space: pre-wrap; }
.chip { font-size: 0.7rem; background: #38bdf81a; color: var(--accent); border: 1px solid #38bdf833; border-radius: 999px; padding: 0.1rem 0.6rem; }
.chip.kind { background: var(--bg2); color: var(--muted); border-color: var(--line); text-transform: uppercase; }
.status { font-size: 0.7rem; margin-left: auto; }
.status-summarized { color: var(--green); }
.status-extracted { color: var(--amber); }
.status-error { color: var(--red); }
.status-uploaded { color: var(--muted); }
.empty { padding: 1rem 0; }

/* Gen result */
.gen-result { margin-top: 1.2rem; white-space: pre-wrap; }
.gen-result .content { background: var(--bg2); border: 1px solid var(--line); border-radius: 0.6rem; padding: 1rem; white-space: pre-wrap; line-height: 1.7; }

/* Modal */
.modal { position: fixed; inset: 0; background: #000a; display: grid; place-items: center; padding: 1.5rem; z-index: 20; }
.modal.hidden { display: none; }
.modal-box { background: var(--card); border: 1px solid var(--line); border-radius: 1rem; padding: 1.8rem; max-width: 44rem; width: 100%; max-height: 85vh; overflow: auto; position: relative; }
.modal-close { position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: var(--muted); font-size: 1.2rem; cursor: pointer; }
.modal-box pre { white-space: pre-wrap; word-break: break-word; font-family: inherit; line-height: 1.7; margin-top: 1rem; color: var(--fg); }