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

:root {
  --bg:         #0b0e18;
  --surface:    rgba(30, 35, 55, 0.88);
  --surface-s:  rgba(22, 27, 44, 0.92);
  --border:     rgba(255, 255, 255, 0.09);
  --border-h:   rgba(255, 255, 255, 0.18);
  --accent:     #3b82f6;
  --accent-h:   #2563eb;
  --accent-glow:rgba(59, 130, 246, 0.22);
  --danger:     #ef4444;
  --success:    #22c55e;
  --text:       #f1f5f9;
  --muted:      #94a3b8;
  --blur:       blur(14px);
  --blur-sm:    blur(8px);
  --sidebar-w:  224px;
  --radius:     10px;
}

html, body {
  height: 100%;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  /* background grain */
  background-image:
    radial-gradient(ellipse at 20% 10%, rgba(59,130,246,.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 90%, rgba(99,102,241,.12) 0%, transparent 55%);
  background-attachment: fixed;
}

/* ── Layout ────────────────────────────────────────────────────── */
.layout  { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: rgba(12, 15, 26, 0.92);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto; flex-shrink: 0;
}

.content { flex: 1; padding: 32px; overflow-x: auto; min-width: 0; }

/* ── Brand ─────────────────────────────────────────────────────── */
.brand      { padding: 20px 16px 16px; font-size: 16px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border); }
.brand-logo { background: var(--accent); box-shadow: 0 0 16px var(--accent-glow); color: #fff; width: 28px; height: 28px; border-radius: 7px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; flex-shrink: 0; }

/* ── Nav ───────────────────────────────────────────────────────── */
nav          { flex: 1; padding: 8px 0; }
.nav-item    {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; color: var(--muted);
  text-decoration: none; transition: all 0.2s; font-size: 13.5px;
  border-left: 3px solid transparent;
}
.nav-item:hover {
  background: rgba(59,130,246,.08);
  backdrop-filter: var(--blur-sm);
  color: var(--text);
  border-left-color: rgba(59,130,246,.3);
}
.nav-item.active {
  background: rgba(59,130,246,.13);
  color: var(--text);
  border-left-color: var(--accent);
}
.nav-logout  { margin-top: auto; color: var(--danger) !important; border-top: 1px solid var(--border); }

/* ── Mobile top bar ─────────────────────────────────────────────── */
.mobile-topbar {
  display: none;
  align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: rgba(11, 14, 24, 0.93);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.mobile-topbar .brand-name { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.hamburger { background: none; border: none; cursor: pointer; padding: 4px; color: var(--text); display: flex; flex-direction: column; gap: 4px; }
.hamburger span { display: block; width: 20px; height: 2px; background: currentColor; border-radius: 2px; }

/* ── Nav overlay ─────────────────────────────────────────────────── */
.nav-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
}
.nav-overlay.open { display: block; }

/* ── Page header ─────────────────────────────────────────────────── */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-title  { font-size: 22px; font-weight: 700; }

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius); font-size: 13px; font-weight: 600; cursor: pointer; border: none; text-decoration: none; transition: all .18s; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-h));
  color: #fff;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(59,130,246,.4); transform: translateY(-1px); }

.btn-danger  { background: var(--danger); color: #fff; box-shadow: 0 4px 12px rgba(239,68,68,.25); }
.btn-danger:hover { opacity: .85; }

.btn-ghost {
  background: rgba(255,255,255,.04);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-h); background: rgba(255,255,255,.08); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── Card / Surface ───────────────────────────────────────────────── */
.card {
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.06);
  opacity: 0;
}
.card + .card { margin-top: 16px; }

/* ── Stats ────────────────────────────────────────────────────────── */
.stats     { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.05);
  opacity: 0;
  transition: border-color .2s, box-shadow .2s;
}
.stat-card:hover { border-color: var(--accent-glow); box-shadow: 0 8px 28px rgba(0,0,0,.3), 0 0 0 1px var(--accent-glow); }
.stat-value { font-size: 32px; font-weight: 800; color: var(--accent); text-shadow: 0 0 20px var(--accent-glow); }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ── Table ────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table       { width: 100%; border-collapse: collapse; }
th, td      { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th          { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; background: rgba(0,0,0,.15); }
tr:hover td { background: rgba(255,255,255,.025); }
.td-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* ── Forms ────────────────────────────────────────────────────────── */
.form-grid  { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-full  { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
label       { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

input[type=text], input[type=email], input[type=password], input[type=date], input[type=url],
select, textarea {
  background: rgba(0,0,0,.3);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text); padding: 9px 12px; font-size: 13px; width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
textarea     { min-height: 120px; resize: vertical; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; padding-top: 20px; border-top: 1px solid var(--border); }
.toggle-row  { display: flex; align-items: center; gap: 10px; }
input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }

/* ── Badges ───────────────────────────────────────────────────────── */
.badge       { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; }
.badge-green { background: rgba(34,197,94,.15); border: 1px solid rgba(34,197,94,.2); color: #4ade80; }
.badge-gray  { background: rgba(100,116,139,.12); border: 1px solid rgba(100,116,139,.2); color: var(--muted); }
.badge-blue  { background: rgba(59,130,246,.12); border: 1px solid rgba(59,130,246,.25); color: #60a5fa; }

/* ── Alerts ───────────────────────────────────────────────────────── */
.alert         {
  padding: 12px 16px; border-radius: var(--radius); margin-bottom: 20px; font-size: 13px;
  backdrop-filter: var(--blur-sm); -webkit-backdrop-filter: var(--blur-sm);
}
.alert-success { background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.25); color: #4ade80; }
.alert-error   { background: rgba(239,68,68,.08);  border: 1px solid rgba(239,68,68,.25);  color: #f87171; }

/* ── Login ────────────────────────────────────────────────────────── */
.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 24px 16px;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.2) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(99,102,241,.15) 0%, transparent 60%);
}
.login-box {
  background: rgba(22, 28, 46, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 44px;
  width: 100%; max-width: 380px;
  box-shadow: 0 24px 64px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.08);
}
.login-brand   { text-align: center; margin-bottom: 28px; }
.login-brand h1 { font-size: 24px; font-weight: 800; }
.login-brand p  { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* ── File upload ──────────────────────────────────────────────────── */
.file-preview { margin-top: 8px; }
.file-preview img { max-width: 160px; max-height: 100px; border-radius: 6px; border: 1px solid var(--border); object-fit: cover; }
.file-preview a   { color: var(--accent); font-size: 12px; }

/* ── Quick actions ────────────────────────────────────────────────── */
.quick-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quick-actions .btn { justify-content: center; text-align: center; }

/* ── Mobile ───────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  .sidebar {
    position: fixed; top: 0; left: -260px; height: 100vh;
    width: 260px; z-index: 201; display: flex !important;
  }
  .sidebar.open { left: 0; }
  .mobile-topbar { display: flex; }
  .layout { flex-direction: column; }
  .content { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .page-title { font-size: 18px; }
  .stat-value { font-size: 26px; }
}

/* ── Quill WYSIWYG — dark theme ───────────────────────────────────── */
.ql-toolbar.ql-snow {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 8px 10px;
}
.ql-container.ql-snow {
  background: rgba(0,0,0,.18);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
  min-height: 320px;
}
.ql-editor { min-height: 320px; padding: 16px 18px; }
.ql-editor.ql-blank::before { color: var(--muted); font-style: normal; left: 18px; }
.ql-editor h2 { font-size: 1.35em; font-weight: 700; margin: 1em 0 .4em; color: var(--text); }
.ql-editor h3 { font-size: 1.1em;  font-weight: 600; margin: .8em 0 .3em; color: var(--text); }
.ql-editor p  { margin-bottom: .6em; }
.ql-editor blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 16px;
  margin: 14px 0;
  background: rgba(59,130,246,.06);
  border-radius: 0 6px 6px 0;
  color: var(--muted);
  font-style: italic;
}
.ql-editor a { color: var(--accent); text-decoration: underline; }
.ql-editor ol, .ql-editor ul { padding-left: 1.5em; margin-bottom: .6em; }

.ql-toolbar.ql-snow .ql-stroke        { stroke: var(--muted); }
.ql-toolbar.ql-snow .ql-fill          { fill:   var(--muted); }
.ql-toolbar.ql-snow .ql-picker-label  { color:  var(--muted); border-color: transparent; }
.ql-toolbar.ql-snow button:hover .ql-stroke,
.ql-toolbar.ql-snow button.ql-active .ql-stroke { stroke: var(--text); }
.ql-toolbar.ql-snow button:hover .ql-fill,
.ql-toolbar.ql-snow button.ql-active .ql-fill   { fill:   var(--text); }
.ql-toolbar.ql-snow .ql-picker-label:hover,
.ql-toolbar.ql-snow .ql-picker-label.ql-active  { color:  var(--text); }
.ql-toolbar.ql-snow button:hover,
.ql-toolbar.ql-snow button.ql-active {
  background: rgba(255,255,255,.08);
  border-radius: 4px;
}
.ql-picker-options {
  background: #1a1f35 !important;
  border: 1px solid var(--border) !important;
  border-radius: 6px !important;
  box-shadow: 0 8px 24px rgba(0,0,0,.4) !important;
}
.ql-picker-item                { color: var(--muted) !important; }
.ql-picker-item:hover,
.ql-picker-item.ql-selected    { color: var(--text)  !important; }
.ql-snow .ql-tooltip {
  background: #1a1f35;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.ql-snow .ql-tooltip::before          { color: var(--muted); }
.ql-snow .ql-tooltip input[type=text] {
  background: rgba(0,0,0,.3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  outline: none;
}
.ql-snow .ql-tooltip input[type=text]:focus { border-color: var(--accent); }
.ql-snow .ql-tooltip a.ql-action,
.ql-snow .ql-tooltip a.ql-remove { color: var(--accent); margin-left: 8px; }