/* Seoul Alley DD — minimal, neutral data-room styles. No framework. */

:root {
  --bg:        #f6f5f1;
  --paper:    #ffffff;
  --ink:      #1a1a1a;
  --ink-soft: #4a4a4a;
  --muted:    #777777;
  --line:     #e3e0d8;
  --accent:   #7a1c1c;        /* burgundy */
  --accent-soft: #f2e5e5;
  --warn:     #a04a00;
  --ok:       #2a6f3f;
  --shadow:   0 1px 2px rgba(0,0,0,0.04), 0 4px 14px rgba(0,0,0,0.05);
  --radius:   8px;
  --font:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono:     ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

button, .btn {
  font-family: var(--font);
  font-size: 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}
button:hover, .btn:hover { border-color: var(--ink-soft); }
button:disabled, .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #5e1414; border-color: #5e1414; }

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ink-soft);
  padding: 6px 10px;
}

input[type="text"], input[type="email"], input[type="password"], input[type="file"], textarea, select {
  font-family: var(--font);
  font-size: 14px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  width: 100%;
}
input:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

label.field {
  display: block;
  margin-bottom: 14px;
}
label.field > span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

/* Layout */
body { visibility: hidden; }
body.auth-resolved { visibility: visible; }

.topbar {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .brand {
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.topbar .brand small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.topbar .right {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px 80px;
}
.container.narrow { max-width: 640px; }
.container.wide   { max-width: 1280px; }

h1 { font-size: 26px; margin: 0 0 6px; }
h2 { font-size: 19px; margin: 28px 0 12px; }
h3 { font-size: 15px; margin: 16px 0 6px; }
.subtitle {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 24px;
  margin: 6px 0 20px;
}
.parties div { padding: 4px 0; }
.parties .k {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.parties .v { font-size: 14px; }

/* Folder grid */
.folder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.folder-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color 0.12s ease, transform 0.08s ease;
  display: block;
  color: inherit;
}
.folder-card:hover {
  border-color: var(--accent);
  text-decoration: none;
  transform: translateY(-1px);
}
.folder-card .ftitle {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 6px;
}
.folder-card .fblurb {
  font-size: 13px;
  color: var(--ink-soft);
}

/* File table */
.file-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.file-table th, .file-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.file-table th {
  background: #faf8f3;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.file-table tr:last-child td { border-bottom: 0; }
.file-table .label { font-weight: 600; }
.file-table .filename {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}
.file-table .desc { font-size: 13px; color: var(--ink-soft); }
.file-table td.action {
  white-space: nowrap;
  text-align: right;
}

/* Login / NDA centered card */
.center-card {
  max-width: 420px;
  margin: 60px auto;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.notice {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--ink);
  padding: 10px 14px;
  font-size: 13px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.notice.warn { border-color: var(--warn); background: #fdf2e6; }
.notice.ok   { border-color: var(--ok);   background: #e7f3eb; }

.error {
  color: #8a1f1f;
  background: #fbe9e9;
  border: 1px solid #f5c0c0;
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 13px;
  margin-top: 10px;
}

.crumbs {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.crumbs a { color: var(--muted); }

footer {
  margin-top: 60px;
  padding: 18px 24px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

.pdf-frame {
  width: 100%;
  height: 70vh;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.muted { color: var(--muted); }
.small { font-size: 12px; }
.kbd, code {
  font-family: var(--mono);
  font-size: 12px;
  background: #f1efe8;
  padding: 1px 5px;
  border-radius: 3px;
}

/* Admin tables */
.admin-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.admin-table th, .admin-table td {
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
  font-size: 13px;
  text-align: left;
}
.admin-table th {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 600px) {
  .parties { grid-template-columns: 1fr; }
  .file-table th, .file-table td { padding: 10px 12px; }
  .topbar { padding: 12px 16px; }
  .container { padding: 18px 16px 60px; }
}