:root {
  --bg: #16191d;
  --panel: #1e2227;
  --panel-2: #262b31;
  --line: #33393f;
  --gold: #c9a227;
  --gold-soft: rgba(201, 162, 39, 0.15);
  --text: #e9e6de;
  --text-dim: #9aa1ab;
  --danger: #c9524a;
  --radius: 10px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); }

/* ---------- Auth pages ---------- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(201,162,39,0.08), transparent 55%),
    var(--bg);
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
}
.auth-mark {
  color: var(--gold);
  font-size: 28px;
  margin-bottom: 8px;
}
.auth-card h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  margin: 0 0 6px;
}
.auth-sub { color: var(--text-dim); font-size: 14px; margin: 0 0 24px; }
.auth-msg { font-size: 15px; margin-bottom: 4px; }
.auth-msg.ok { color: #8fbf7a; }
.auth-error {
  background: rgba(201, 82, 74, 0.12);
  border: 1px solid rgba(201, 82, 74, 0.35);
  color: #e39189;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 16px;
  text-align: left;
}
.auth-form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.auth-form label { font-size: 13px; color: var(--text-dim); display: flex; flex-direction: column; gap: 6px; }
.auth-form input, .auth-form code {
  font-family: var(--font-body);
}
code {
  background: var(--panel-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12.5px;
}

input, select, textarea {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 7px;
  padding: 9px 11px;
  font-size: 14px;
  font-family: var(--font-body);
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
}
input[type="color"] { padding: 4px; height: 40px; }

.btn {
  border: none;
  border-radius: 7px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: opacity .15s ease;
}
.btn:hover { opacity: 0.88; }
.btn-primary { background: var(--gold); color: #1b1b1b; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-block { width: 100%; }
.btn-danger { background: var(--danger); color: #fff; }

/* ---------- Shell ---------- */
.shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 8px; padding: 0 6px; }
.brand-mark { color: var(--gold); font-size: 20px; }
.brand-name { font-family: var(--font-display); font-size: 20px; font-weight: 600; }

.cat-list { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.cat-row { display: flex; align-items: center; gap: 2px; }
.cat-row .cat-item { flex: 1; min-width: 0; }
.cat-delete {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 4px 9px;
  border-radius: 6px;
  flex-shrink: 0;
}
.cat-delete:hover { background: rgba(201, 82, 74, 0.15); color: var(--danger); }
.cat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 9px 10px;
  border-radius: 7px;
  font-size: 14px;
  font-family: var(--font-body);
  cursor: pointer;
  text-align: left;
}
.cat-item:hover { background: var(--panel-2); color: var(--text); }
.cat-item.active { background: var(--gold-soft); color: var(--text); }
.cat-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.cat-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cat-count { color: var(--text-dim); font-size: 12px; }

.sidebar-footer {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- Content ---------- */
.content { padding: 28px 36px; }
.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.content-header h1 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  margin: 0;
}
.header-actions { display: flex; gap: 10px; align-items: center; }
#search { width: 240px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.card-title { font-weight: 600; font-size: 15px; line-height: 1.3; word-break: break-word; }
.card-type {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #1b1b1b;
  background: var(--gold);
  padding: 2px 7px;
  border-radius: 5px;
  flex-shrink: 0;
}
.card-type.file { background: #6fa8dc; }
.card-notes { color: var(--text-dim); font-size: 13px; line-height: 1.4; white-space: pre-wrap; }
.card-meta { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-dim); }
.card-cat-dot { width: 7px; height: 7px; border-radius: 50%; }
.card-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 4px; }
.card-actions .btn { padding: 7px 10px; font-size: 13px; flex: 1; }

.empty-state { color: var(--text-dim); margin-top: 60px; text-align: center; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(10, 11, 13, 0.6);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  z-index: 50;
}
.modal-backdrop[hidden] {
  display: none;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-sm { max-width: 340px; }
.modal h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 18px;
}
.modal form { display: flex; flex-direction: column; gap: 14px; }
.modal label { font-size: 13px; color: var(--text-dim); display: flex; flex-direction: column; gap: 6px; }
.hint { color: var(--text-dim); font-size: 12px; }
.type-toggle { display: flex; gap: 18px; font-size: 14px; color: var(--text); }
.radio { flex-direction: row !important; align-items: center; gap: 6px !important; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.modal-warning {
  background: rgba(201, 162, 39, 0.12);
  border: 1px solid rgba(201, 162, 39, 0.4);
  color: #dcbb63;
  font-size: 12.5px;
  padding: 9px 11px;
  border-radius: 7px;
  line-height: 1.5;
}
.btn-link {
  background: none;
  border: none;
  color: var(--gold);
  font-weight: 600;
  font-size: 12.5px;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  display: block;
  margin-top: 4px;
}
.modal-error {
  background: rgba(201, 82, 74, 0.12);
  border: 1px solid rgba(201, 82, 74, 0.35);
  color: #e39189;
  font-size: 13px;
  padding: 9px 11px;
  border-radius: 7px;
}

@media (max-width: 720px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; overflow-x: auto; align-items: center; }
  .cat-list { flex-direction: row; }
  .sidebar-footer { display: none; }
  .content { padding: 18px; }
  #search { width: 160px; }
}