:root {
  color-scheme: dark;
  --bg: #101214;
  --panel: #171b1f;
  --panel-2: #1f252b;
  --line: rgba(255,255,255,.1);
  --text: #f4f1ea;
  --muted: #aeb4ba;
  --accent: #d9b76f;
  --accent-2: #4fb6a8;
  --danger: #ff8b8b;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  letter-spacing: 0;
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.login-view {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.login-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(16,18,20,.46), rgba(16,18,20,.8)),
    url("https://images.unsplash.com/photo-1519681393784-d120267933ba?auto=format&fit=crop&w=1800&q=80") center/cover;
  filter: saturate(.86);
}
.login-panel {
  position: relative;
  width: min(440px, calc(100vw - 32px));
  padding: 32px;
  background: rgba(18,21,24,.84);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(0,0,0,.36);
  backdrop-filter: blur(18px);
  border-radius: 8px;
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-row h1, .brand-row p { margin: 0; }
.brand-row h1 { font-size: 28px; }
.brand-row p, .brand-row span { color: var(--muted); font-size: 14px; }
.brand-row.compact { margin-bottom: 28px; }
.brand-row.compact strong { display: block; }
.mark {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #17130b;
  font-weight: 800;
}
.login-form { margin-top: 28px; display: grid; gap: 16px; }
label { display: grid; gap: 8px; color: var(--muted); font-size: 13px; }
input, textarea, select {
  width: 100%;
  color: var(--text);
  background: #11161a;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  outline: none;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: rgba(217,183,111,.7); }
.primary {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #16120a;
  font-weight: 700;
  padding: 12px 16px;
}
.primary:disabled { opacity: .65; cursor: wait; }
.wide { width: 100%; }
.small-btn { padding: 9px 12px; }
.ghost, .text-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
}
.text-btn { border: 0; padding: 0; color: var(--accent); }
.error { color: var(--danger); margin: 0; }

.shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px;
  background: #111417;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
nav { display: grid; gap: 8px; }
nav button {
  text-align: left;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px;
}
nav button.active, nav button:hover { color: var(--text); background: var(--panel-2); border-color: var(--line); }
.quota-box {
  margin-top: auto;
  margin-bottom: 14px;
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.quota-box span { color: var(--muted); font-size: 13px; }

.workspace { padding: 28px; min-width: 0; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.topbar h2 { margin: 0; font-size: 30px; }
.eyebrow { margin: 0 0 4px; color: var(--accent-2); font-size: 13px; text-transform: uppercase; }
.status-strip { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.status-strip span {
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.grid-main { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 20px; align-items: start; }
.search-pane, .side-pane, .content-pane, .request-form, .request-list {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}
.search-box { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.hint-row, .panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin: 14px 0;
  color: var(--muted);
  font-size: 14px;
}
.panel-head { margin-top: 0; }
.panel-head strong { font-size: 18px; color: var(--text); }
.panel-head span { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }
.result-list, .request-list { display: grid; gap: 10px; padding: 0; background: transparent; border: 0; }
.result-item, .job-row, .request-card, .book-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #15191d;
  padding: 14px;
}
.result-item { display: flex; justify-content: space-between; gap: 16px; }
.result-title { font-weight: 750; font-size: 17px; }
.result-item p, .job-row p, .request-card p, .book-card p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }
.actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.actions button, .request-card button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  padding: 9px 11px;
}
.job-row { display: grid; gap: 6px; margin-bottom: 10px; }
.job-row div { display: flex; justify-content: space-between; gap: 10px; }
.job-row span, .request-card span, .book-card span { color: var(--muted); font-size: 13px; }
.empty {
  min-height: 220px;
  display: grid;
  place-content: center;
  gap: 8px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 8px;
}
.empty strong { color: var(--text); }
.empty.small { min-height: 120px; }
.content-pane { min-height: 70vh; }
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.book-card { display: grid; gap: 8px; }
.download-link {
  display: inline-flex;
  justify-content: center;
  color: #15110a;
  background: var(--accent);
  text-decoration: none;
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 700;
}
.two-col { display: grid; grid-template-columns: 360px 1fr; gap: 18px; background: transparent; border: 0; padding: 0; }
.request-form { display: grid; gap: 14px; align-content: start; }
.request-form h3 { margin: 0; }
.request-card { display: grid; gap: 10px; }
.request-card div { display: flex; justify-content: space-between; gap: 10px; }
.reply { color: var(--accent) !important; }
.admin-card textarea, .admin-card select { margin-top: 6px; }

@media (max-width: 920px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .grid-main, .two-col { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .workspace, .sidebar { padding: 16px; }
  .search-box { grid-template-columns: 1fr; }
  .result-item, .job-row div, .request-card div { flex-direction: column; }
}