@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root{
  --bg:#0b1220;
  --panel:#0f172a;
  --card:#0b1220;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --line:rgba(148,163,184,.18);
  --brand:#6366f1;
  --brand2:#22c55e;
  --danger:#ef4444;
  --shadow: 0 10px 25px rgba(0,0,0,.35);
  --radius:14px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(99,102,241,.20), transparent 60%),
    radial-gradient(900px 600px at 85% 0%, rgba(34,197,94,.14), transparent 55%),
    linear-gradient(180deg, #060a13, #050814 55%, #040615);
  color:var(--text);
}

a{color:inherit;text-decoration:none}
a:hover{opacity:.92}

.wrap{
  min-height:100%;
  display:grid;
  grid-template-columns: 260px 1fr;
}

.sidebar{
  border-right:1px solid var(--line);
  padding:18px 16px;
  position:sticky; top:0; height:100vh;
  background: rgba(11,18,32,.55);
  backdrop-filter: blur(10px);
}

.brand{
  display:flex; align-items:center; gap:10px;
  padding:12px 12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.brand-badge{
  width:38px;height:38px;border-radius:12px;
  background: linear-gradient(135deg, rgba(99,102,241,.9), rgba(34,197,94,.75));
  display:grid; place-items:center;
  font-weight:800;
}
.brand h1{
  margin:0; font-size:14px; letter-spacing:.2px;
}
.brand p{margin:2px 0 0 0; font-size:12px; color:var(--muted)}

.nav{margin-top:14px; display:flex; flex-direction:column; gap:8px}
.nav a{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--text);
  background: rgba(15,23,42,.35);
}
.nav a:hover{border-color: var(--line); background: rgba(15,23,42,.55)}
.nav a.active{background: rgba(99,102,241,.18); border-color: rgba(99,102,241,.35)}

.main{
  padding:22px 22px 40px;
}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}

.title h2{margin:0; font-size:18px}
.title .sub{margin-top:4px; font-size:13px; color:var(--muted)}

.actions{display:flex; gap:10px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(15,23,42,.55);
  color:var(--text);
  cursor:pointer;
}
.btn:hover{background: rgba(15,23,42,.75)}
.btn.primary{
  border-color: rgba(99,102,241,.45);
  background: rgba(99,102,241,.18);
}
.btn.danger{
  border-color: rgba(239,68,68,.35);
  background: rgba(239,68,68,.12);
}

.card{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11,18,32,.55);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.card-h{
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
}
.card-h b{font-size:13px}
.card-b{padding:16px}

.grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
@media (max-width: 980px){
  .wrap{grid-template-columns: 1fr}
  .sidebar{position:relative;height:auto}
  .grid{grid-template-columns:1fr}
}

.field{display:flex; flex-direction:column; gap:8px; margin-bottom:12px}
label{font-size:12px; color:var(--muted)}
input, select, textarea{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(15,23,42,.55);
  color:var(--text);
  outline:none;
}
textarea{min-height:96px; resize:vertical}
input:focus, select:focus, textarea:focus{border-color: rgba(99,102,241,.55)}

.table{
  width:100%;
  border-collapse:collapse;
  font-size:13px;
}
.table th,.table td{
  padding:12px 12px;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.table th{
  color:var(--muted);
  font-weight:600;
  text-align:left;
  background: rgba(15,23,42,.35);
}
.badge{
  font-size:12px;
  padding:5px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.badge.ok{border-color: rgba(34,197,94,.35); background: rgba(34,197,94,.10)}
.badge.draft{border-color: rgba(148,163,184,.25); background: rgba(148,163,184,.10)}

.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size:12px;
  padding:2px 8px;
  border:1px solid var(--line);
  border-radius:10px;
  background: rgba(15,23,42,.45);
  color: var(--muted);
}

.note{font-size:13px; color:var(--muted); margin:0}
hr.sep{border:none;border-top:1px solid var(--line); margin:14px 0}

.preview{
  display:flex; gap:12px; align-items:center;
}
.preview img{
  width:84px; height:56px; object-fit:cover;
  border-radius:12px; border:1px solid var(--line);
  background: rgba(15,23,42,.55);
}

/* Mobile menu toggle button */
.sidebar-toggle{
  display:none;
  position:fixed;
  top:14px;
  left:14px;
  z-index:1000;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(15,23,42,.7);
  color:var(--text);
  cursor:pointer;
}

/* Mobile behavior: sidebar off-canvas */
@media (max-width: 900px){
  .sidebar-toggle{display:inline-flex;align-items:center;justify-content:center}
  .sidebar{
    position:fixed;
    top:0; left:0;
    height:100vh;
    transform:translateX(-110%);
    transition:transform .25s ease;
    z-index:999;
  }
  body.sidebar-open .sidebar{
    transform:translateX(0);
  }
  /* Optional: dim background */
  body.sidebar-open .main::before{
    content:"";
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.45);
    z-index:998;
  }
}

/* ===== Quill editor: make it big ===== */
.ql-container{
  min-height: 520px !important;
}
.ql-editor{
  min-height: 520px !important;
  padding: 16px 18px !important;
  font-size: 15px;
  line-height: 1.75;
}

/* toolbar đẹp + dính liền khung */
.ql-toolbar{
  border-top-left-radius: 14px;
  border-top-right-radius: 14px;
}
.ql-container{
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
}

/* ===== Quill: chữ rõ, tương phản tốt ===== */

/* vùng gõ */
.ql-editor{
  color: #0b1220 !important;          /* chữ đậm, rõ trên nền trắng */
  font-size: 16px !important;
  line-height: 1.8 !important;
  font-weight: 450;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

/* placeholder (chữ gợi ý) */
.ql-editor.ql-blank::before{
  color: rgba(11,18,32,.45) !important;
  font-style: normal !important;
}

/* link trong editor */
.ql-editor a{
  color: #2563eb !important;
  text-decoration: underline;
}

/* nếu toolbar/icon bị nhạt quá */
.ql-toolbar .ql-stroke{ stroke: rgba(229,231,235,.9) !important; }
.ql-toolbar .ql-fill{ fill: rgba(229,231,235,.9) !important; }
.ql-toolbar .ql-picker{ color: rgba(229,231,235,.95) !important; }