:root{
  --navy-950:#050b16; --navy-900:#081020; --navy-800:#0d1a30; --navy-700:#13233f;
  --blue-500:#2f6fed; --blue-400:#4d8bff; --cyan-400:#33d1c9;
  --ink-100:#f3f6fb; --ink-300:#c4d0e3; --ink-500:#8aa0c2;
  --line:#e3e8f2; --panel:#ffffff; --bg:#f4f7fc; --text:#0f1e35; --text-soft:#5b6b85;
  --danger:#e5484d; --ok:#1fb37a;
  --ff-display:'Rubik','Manrope',sans-serif; --ff-body:'Manrope',sans-serif;
}
*{box-sizing:border-box;}
body{margin:0; font-family:var(--ff-body); background:var(--bg); color:var(--text);}
h1,h2,h3,h4{font-family:var(--ff-display); margin:0;}
button{font-family:inherit;}

/* ---------- LOGIN GATE ---------- */
.login-screen{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  background:radial-gradient(900px 500px at 20% -10%, rgba(47,111,237,0.25), transparent 60%), linear-gradient(180deg,var(--navy-950),var(--navy-900));
  padding:24px;
}
.login-card{
  width:100%; max-width:380px; background:var(--navy-800); border:1px solid rgba(255,255,255,0.08);
  border-radius:18px; padding:38px 32px; box-shadow:0 30px 70px -30px rgba(0,0,0,0.6);
}
.login-logo{display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.15rem; color:var(--ink-100); margin-bottom:26px;}
.login-logo .mark{width:32px; height:32px; border-radius:9px; background:linear-gradient(135deg,var(--blue-400),var(--cyan-400)); display:flex; align-items:center; justify-content:center;}
.login-logo .mark svg{width:18px; height:18px;}
.login-logo .accent{color:var(--blue-400);}
.login-card h1{color:var(--ink-100); font-size:1.3rem; margin-bottom:6px;}
.login-card p.sub{color:var(--ink-500); font-size:0.88rem; margin-bottom:26px;}
.login-card label{display:block; color:var(--ink-300); font-size:0.85rem; font-weight:600; margin-bottom:8px;}
.login-card input{
  width:100%; padding:12px 14px; border-radius:10px; border:1px solid rgba(255,255,255,0.14);
  background:var(--navy-900); color:var(--ink-100); font-size:0.95rem; margin-bottom:16px;
}
.login-card input:focus{outline:2px solid var(--blue-400); border-color:transparent;}
.login-error{color:#ff8080; font-size:0.85rem; margin:-8px 0 14px; min-height:1em;}
.login-btn{
  width:100%; padding:13px; border-radius:10px; border:none; background:var(--blue-500); color:#fff;
  font-weight:700; font-size:0.95rem; cursor:pointer; transition:background .2s ease;
}
.login-btn:hover{background:var(--blue-400);}
.login-hint{margin-top:18px; color:var(--ink-500); font-size:0.78rem; text-align:center; line-height:1.6;}

/* ---------- APP SHELL ---------- */
.app{display:none; min-height:100vh; grid-template-columns:260px 1fr;}
.app.visible{display:grid;}
.sidebar{
  background:var(--navy-950); color:var(--ink-300); padding:26px 18px; position:sticky; top:0; height:100vh;
  display:flex; flex-direction:column; gap:6px;
}
.sidebar .brand{display:flex; align-items:center; gap:10px; color:var(--ink-100); font-weight:800; padding:6px 10px 22px;}
.sidebar .brand .mark{width:30px; height:30px; border-radius:8px; background:linear-gradient(135deg,var(--blue-400),var(--cyan-400)); display:flex; align-items:center; justify-content:center;}
.sidebar .brand .mark svg{width:16px; height:16px;}
.sidebar .brand .accent{color:var(--blue-400);}
.nav-item{
  display:flex; align-items:center; gap:12px; padding:11px 14px; border-radius:10px; cursor:pointer;
  font-size:0.92rem; font-weight:600; color:var(--ink-300); border:none; background:none; text-align:left; width:100%;
  transition:background .15s ease, color .15s ease;
}
.nav-item svg{width:18px; height:18px; flex-shrink:0;}
.nav-item:hover{background:rgba(255,255,255,0.05); color:var(--ink-100);}
.nav-item.active{background:var(--blue-500); color:#fff;}
.sidebar-footer{margin-top:auto; padding-top:16px; border-top:1px solid rgba(255,255,255,0.08); display:flex; flex-direction:column; gap:8px;}

.main{padding:30px 40px 80px; overflow-x:hidden;}
.topbar{display:flex; align-items:center; justify-content:space-between; margin-bottom:28px; flex-wrap:wrap; gap:14px;}
.topbar h2{font-size:1.5rem; font-weight:800;}
.topbar p{color:var(--text-soft); font-size:0.92rem; margin-top:4px;}
.topbar-actions{display:flex; gap:10px; flex-wrap:wrap;}

.card{background:var(--panel); border:1px solid var(--line); border-radius:16px; padding:26px 28px; margin-bottom:22px;}
.card h3{font-size:1.05rem; font-weight:700; margin-bottom:4px;}
.card .card-sub{color:var(--text-soft); font-size:0.86rem; margin-bottom:20px;}

.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
.field{margin-bottom:16px;}
.field label{display:block; font-size:0.85rem; font-weight:700; color:var(--text); margin-bottom:7px;}
.field .hint{font-size:0.78rem; color:var(--text-soft); margin-top:5px;}
input[type=text], input[type=email], input[type=tel], input[type=date], input[type=password], textarea, select{
  width:100%; padding:11px 13px; border-radius:9px; border:1.5px solid var(--line); font-size:0.92rem;
  background:#fff; color:var(--text); font-family:inherit;
}
input:focus, textarea:focus, select:focus{outline:none; border-color:var(--blue-500); box-shadow:0 0 0 3px rgba(47,111,237,0.15);}
textarea{resize:vertical; min-height:100px; line-height:1.6;}

.btn{
  display:inline-flex; align-items:center; gap:8px; padding:10px 18px; border-radius:9px; border:none;
  font-weight:700; font-size:0.88rem; cursor:pointer; transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn svg{width:16px; height:16px;}
.btn-primary{background:var(--blue-500); color:#fff;}
.btn-primary:hover{background:var(--blue-400); transform:translateY(-1px);}
.btn-outline{background:#fff; border:1.5px solid var(--line); color:var(--text);}
.btn-outline:hover{border-color:var(--blue-500); color:var(--blue-500);}
.btn-danger{background:#fff; border:1.5px solid rgba(229,72,77,0.35); color:var(--danger);}
.btn-danger:hover{background:rgba(229,72,77,0.08);}
.btn-sm{padding:7px 12px; font-size:0.8rem;}
.btn-block{width:100%; justify-content:center;}

.image-drop{
  border:1.5px dashed var(--line); border-radius:12px; padding:16px; display:flex; align-items:center; gap:16px;
  background:#fafcff;
}
.image-drop .preview{
  width:96px; height:72px; border-radius:8px; background:var(--navy-800); flex-shrink:0; overflow:hidden;
  display:flex; align-items:center; justify-content:center; color:var(--ink-500);
}
.image-drop .preview img{width:100%; height:100%; object-fit:cover;}
.image-drop .preview svg{width:26px; height:26px; opacity:0.6;}
.image-drop .drop-actions{display:flex; flex-direction:column; gap:8px;}
.image-drop input[type=file]{font-size:0.82rem;}

.tags-editor{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:10px;}
.tag-chip{display:flex; align-items:center; gap:6px; background:#eef3fb; border-radius:999px; padding:6px 6px 6px 12px; font-size:0.82rem; font-weight:600;}
.tag-chip button{background:none; border:none; cursor:pointer; color:var(--text-soft); width:18px; height:18px; border-radius:50%; display:flex; align-items:center; justify-content:center;}
.tag-chip button:hover{background:rgba(0,0,0,0.08); color:var(--danger);}
.tag-add-row{display:flex; gap:8px;}
.tag-add-row input{flex:1;}

/* list rows (services / blog) */
.item-row{
  display:flex; align-items:center; gap:16px; padding:14px 16px; border:1px solid var(--line); border-radius:12px; margin-bottom:10px;
  background:#fff;
}
.item-row .item-icon{width:42px; height:42px; border-radius:10px; background:#eef3fb; display:flex; align-items:center; justify-content:center; flex-shrink:0; color:var(--blue-500);}
.item-row .item-icon svg{width:20px; height:20px;}
.item-row .item-thumb{width:56px; height:42px; border-radius:8px; overflow:hidden; background:var(--navy-800); flex-shrink:0;}
.item-row .item-thumb img{width:100%; height:100%; object-fit:cover;}
.item-row .item-main{flex:1; min-width:0;}
.item-row .item-main strong{display:block; font-size:0.94rem; margin-bottom:2px;}
.item-row .item-main span{display:block; font-size:0.82rem; color:var(--text-soft); white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.item-row .item-actions{display:flex; gap:8px; flex-shrink:0;}

.empty-state{text-align:center; padding:40px 20px; color:var(--text-soft); font-size:0.92rem;}

.section-panel{display:none;}
.section-panel.active{display:block;}

.modal-backdrop{
  position:fixed; inset:0; background:rgba(8,16,32,0.55); display:none; align-items:center; justify-content:center;
  z-index:500; padding:20px; backdrop-filter:blur(2px);
}
.modal-backdrop.visible{display:flex;}
.modal{background:#fff; border-radius:16px; padding:28px; width:100%; max-width:560px; max-height:88vh; overflow-y:auto;}
.modal h3{font-size:1.15rem; margin-bottom:20px;}
.modal-actions{display:flex; justify-content:flex-end; gap:10px; margin-top:22px;}

.toast{
  position:fixed; bottom:26px; right:26px; background:var(--navy-950); color:#fff; padding:14px 20px; border-radius:12px;
  font-size:0.88rem; font-weight:600; display:flex; align-items:center; gap:10px; box-shadow:0 20px 40px -14px rgba(0,0,0,0.5);
  z-index:999; opacity:0; transform:translateY(12px); transition:opacity .25s ease, transform .25s ease; pointer-events:none;
}
.toast.ok svg{color:var(--ok);}
.toast.visible{opacity:1; transform:translateY(0);}
.toast svg{width:18px; height:18px;}

.storage-note{
  display:flex; gap:12px; background:#fff7e6; border:1px solid #ffe4a3; color:#8a6100; padding:14px 16px; border-radius:12px;
  font-size:0.85rem; line-height:1.6; margin-bottom:24px;
}
.storage-note svg{width:20px; height:20px; flex-shrink:0; margin-top:1px;}

@media (max-width:900px){
  .app{grid-template-columns:1fr;}
  .sidebar{position:relative; height:auto; flex-direction:row; overflow-x:auto; padding:14px;}
  .sidebar .brand{display:none;}
  .sidebar-footer{display:none;}
  .nav-item{white-space:nowrap;}
  .main{padding:24px 18px 60px;}
  .grid-2{grid-template-columns:1fr;}
}