:root {
  --bg: #0c1220;
  --surface: #141c2e;
  --surface-2: #1c2740;
  --border: #2d3d5c;
  --text: #eef2f8;
  --muted: #8fa3bf;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.14);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --purple: #8b5cf6;
  --radius: 12px;
  --sidebar-w: 248px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

/* Login */
.login-body { min-height: 100vh; }
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(59,130,246,.18), transparent),
    var(--bg);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.login-logo { display: flex; gap: .85rem; margin-bottom: 1.5rem; align-items: center; }
.login-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.login-logo h1 { font-size: 1.1rem; }
.login-logo p, .login-hint { font-size: .78rem; color: var(--muted); margin-top: .25rem; }
.login-hint { margin-top: 1rem; text-align: center; }
.login-hint code { background: var(--surface-2); padding: .1rem .35rem; border-radius: 4px; }

/* Layout */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  position: fixed;
  inset: 0 auto 0 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform .25s;
}
.brand {
  padding: 1.1rem 1.2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: .7rem;
  align-items: center;
}
.brand-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.brand-title { font-size: .88rem; font-weight: 700; }
.brand small { font-size: .68rem; color: var(--muted); }

.nav { padding: .85rem .65rem; flex: 1; overflow-y: auto; }
.nav-label {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  padding: .75rem .75rem .35rem;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .6rem .75rem;
  border-radius: 8px;
  font-size: .85rem;
  color: var(--muted);
  margin-bottom: 2px;
  text-decoration: none;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-item .ico { width: 22px; text-align: center; }

.sidebar-foot {
  padding: .85rem 1rem;
  border-top: 1px solid var(--border);
}
.user-badge { display: flex; gap: .6rem; align-items: center; margin-bottom: .6rem; }
.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700;
}
.user-name { font-size: .82rem; font-weight: 600; }
.user-role { font-size: .72rem; color: var(--muted); }

.main { margin-left: var(--sidebar-w); flex: 1; min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  padding: .85rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(20,28,46,.9);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-start { display: flex; align-items: center; gap: .75rem; }
.topbar h1 { font-size: 1rem; font-weight: 600; }
.menu-toggle {
  display: none;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: .35rem .55rem;
  cursor: pointer;
}
.topbar-badges { display: flex; gap: .4rem; flex-wrap: wrap; }
.content { padding: 1.5rem; flex: 1; }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 90;
}

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .55rem 1rem;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.06); text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-sm { padding: .35rem .65rem; font-size: .78rem; }
.btn-block { width: 100%; }

.badge {
  display: inline-flex;
  padding: .15rem .5rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
}
.badge-blue { background: var(--accent-soft); color: var(--accent); }
.badge-green { background: rgba(34,197,94,.15); color: var(--success); }
.badge-orange { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-purple { background: rgba(139,92,246,.15); color: var(--purple); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  overflow: hidden;
}
.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.card-header h2 { font-size: .92rem; font-weight: 600; }
.card-body { padding: 1.25rem; }

.flash {
  padding: .75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: .85rem;
}
.flash-error { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.35); color: #fca5a5; }
.flash-success { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.35); color: #86efac; }

.form-group { margin-bottom: .9rem; }
.form-group label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: .35rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: .6rem .8rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: .88rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .75rem; }
.checkbox-label { display: flex; align-items: center; gap: .5rem; font-size: .85rem; color: var(--text); cursor: pointer; }
.req { color: var(--danger); }
.hint-text { font-size: .8rem; color: var(--muted); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
}
.stat-label { font-size: .78rem; color: var(--muted); }
.stat-value { font-size: 1.7rem; font-weight: 700; margin: .2rem 0; }
.stat-value-sm { font-size: 1.2rem; }
.stat-sub { font-size: .72rem; color: var(--muted); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .84rem; }
th {
  text-align: left;
  padding: .65rem 1rem;
  background: var(--surface-2);
  color: var(--muted);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
td { padding: .7rem 1rem; border-top: 1px solid var(--border); vertical-align: middle; }
tr:hover td { background: rgba(59,130,246,.04); }
.empty-cell { text-align: center; color: var(--muted); padding: 2rem !important; }
.doc-link { color: var(--accent); font-weight: 500; }
.actions { display: flex; gap: .3rem; flex-wrap: wrap; }
.inline-form { display: inline; }

.search-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-bottom: 1rem;
}
.search-bar input, .search-bar select {
  padding: .55rem .75rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: .85rem;
}
.search-bar input[type="search"] { flex: 1; min-width: 180px; }
.result-count { font-size: .82rem; color: var(--muted); margin-bottom: .75rem; }

.pagination { display: flex; gap: .35rem; margin-top: 1rem; flex-wrap: wrap; }
.page-link {
  padding: .35rem .65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: .82rem;
  text-decoration: none;
}
.page-link.active, .page-link:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); text-decoration: none; }

/* Upload */
.upload-grid, .grid-2, .detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.25rem;
  text-align: center;
  cursor: pointer;
  background: var(--surface-2);
  transition: .2s;
  position: relative;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.dz-icon { font-size: 2.2rem; margin-bottom: .5rem; }
.dropzone h3 { font-size: .92rem; margin-bottom: .25rem; }
.dropzone p { font-size: .78rem; color: var(--muted); }
.file-preview { margin-top: .75rem; font-size: .82rem; color: var(--muted); }
.steps-list { padding-left: 1.2rem; font-size: .84rem; color: var(--muted); }
.steps-list li { margin-bottom: .45rem; }
.optional-block { margin: .75rem 0; font-size: .85rem; }
.optional-block summary { cursor: pointer; color: var(--accent); margin-bottom: .5rem; }

/* View */
.view-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.view-title { font-size: 1.15rem; margin-bottom: .35rem; }
.view-meta { font-size: .82rem; color: var(--muted); display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.view-actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.detail-list { display: grid; grid-template-columns: 140px 1fr; gap: .5rem .75rem; font-size: .85rem; }
.detail-list dt { color: var(--muted); }
.preview-body { padding: 0 !important; }
.preview-iframe { width: 100%; height: 520px; border: none; background: #fff; }
.preview-placeholder { padding: 3rem 1.5rem; text-align: center; color: var(--muted); }

/* Roles */
.roles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.role-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
}
.role-card h3 { font-size: .9rem; margin-bottom: .5rem; }
.role-card ul { list-style: none; font-size: .8rem; color: var(--muted); }
.role-card li { padding: .2rem 0 .2rem 1rem; position: relative; }
.role-card li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-size: .75rem; }

.quick-actions { margin-top: .5rem; }

code { font-size: .82em; background: var(--surface-2); padding: .1rem .3rem; border-radius: 4px; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .main { margin-left: 0; }
  .upload-grid, .grid-2, .detail-grid { grid-template-columns: 1fr; }
  .topbar-badges { display: none; }
}