:root {
  --bg: #0d0d0d;
  --bg2: #111;
  --card: #181818;
  --border: #262626;
  --accent: #39BD00;
  --accent-dark: #2D9200;
  --accent-glow: rgba(57,189,0,0.15);
  --text: #f0f0f0;
  --muted: #888;
  --danger: #dc2626;
  --sidebar-w: 240px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:15px;}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,sans-serif;min-height:100vh;display:flex;}

a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--text);}
img{max-width:100%;}
ul{list-style:none;}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 1.5rem 1.25rem 1rem;
  font-size: 1.15rem;
  font-weight: 800;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}
.sidebar-logo span { color: var(--accent); }
.sidebar-logo i { color: var(--accent); }

.sidebar-section { padding: 1.25rem 0.75rem 0.5rem; font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); }

.sidebar-nav { padding: 0.5rem 0.75rem; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s;
  margin-bottom: 0.15rem;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  color: var(--text);
  background: rgba(57,189,0,0.08);
}
.sidebar-nav a.active { color: var(--accent); }
.sidebar-nav a i { width: 18px; text-align: center; font-size: 0.85rem; }

.sidebar-footer {
  margin-top: auto;
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--border);
}
.sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  transition: all 0.2s;
  margin-bottom: 0.15rem;
}
.sidebar-footer a:hover { color: var(--text); background: rgba(255,255,255,0.05); }

/* MAIN */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar h1 { font-size: 1.1rem; font-weight: 700; }
.topbar-actions { display: flex; gap: 0.75rem; align-items: center; }

.content { padding: 2rem; flex: 1; }

/* CARDS */
.admin-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.admin-card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.92rem;
}

/* STATS */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
}
.stat-box .num { font-size: 2rem; font-weight: 900; color: var(--accent); }
.stat-box .lbl { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 0.25rem; }

/* TABLES */
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.admin-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
.admin-table td { padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }
.admin-table img { width: 56px; height: 40px; object-fit: cover; border-radius: 5px; }

/* BADGES */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-green { background: rgba(57,189,0,0.15); color: var(--accent); border: 1px solid rgba(57,189,0,0.3); }
.badge-gray  { background: rgba(255,255,255,0.06); color: var(--muted); border: 1px solid var(--border); }
.badge-red   { background: rgba(220,38,38,0.12); color: #f87171; border: 1px solid rgba(220,38,38,0.3); }

/* FORMS */
.form-grid { display: grid; gap: 1.25rem; }
.form-grid-2 { grid-template-columns: 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.form-control {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
  width: 100%;
}
.form-control:focus { outline: none; border-color: var(--accent); }
textarea.form-control { resize: vertical; min-height: 140px; }
select.form-control { cursor: pointer; }

.form-check { display: flex; align-items: center; gap: 0.6rem; cursor: pointer; }
.form-check input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.form-check span { font-size: 0.9rem; color: var(--muted); }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.55rem 1.2rem; border-radius: 7px; font-size: 0.87rem; font-weight: 600; cursor: pointer; border: none; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: rgba(255,255,255,0.07); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: rgba(255,255,255,0.12); color: var(--text); }
.btn-danger { background: rgba(220,38,38,0.1); color: #f87171; border: 1px solid rgba(220,38,38,0.3); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 0.35rem 0.8rem; font-size: 0.8rem; }

/* ALERT */
.alert { padding: 0.85rem 1.1rem; border-radius: 8px; margin-bottom: 1.5rem; font-size: 0.88rem; display: flex; align-items: center; gap: 0.5rem; }
.alert-success { background: rgba(57,189,0,0.1); border: 1px solid rgba(57,189,0,0.3); color: var(--accent); }
.alert-error   { background: rgba(220,38,38,0.1); border: 1px solid rgba(220,38,38,0.3); color: #f87171; }

/* IMAGE PREVIEW */
.img-preview { width: 120px; height: 80px; object-fit: cover; border-radius: 7px; border: 1px solid var(--border); margin-top: 0.5rem; display: block; }

/* UPLOAD DROP */
.upload-box {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
  background: var(--bg);
}
.upload-box:hover { border-color: var(--accent); }
.upload-box i { font-size: 2rem; color: var(--muted); display: block; margin-bottom: 0.5rem; }
.upload-box p { color: var(--muted); font-size: 0.85rem; }
.upload-box input { display: none; }

/* MOBILE HAMBURGER */
.admin-hamburger {
  display: none;
  position: fixed;
  top: 14px; left: 1rem;
  z-index: 200;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.5rem 0.75rem;
  font-size: 1.1rem;
  cursor: pointer;
}
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
}
.sidebar-overlay.open { display: block; }

/* MOBILE */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.3s; z-index: 100; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .topbar { padding-left: 4rem; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .admin-hamburger { display: flex; align-items: center; }
  div[style*="grid-template-columns:1fr 340px"],
  div[style*="grid-template-columns:1fr 320px"],
  div[style*="grid-template-columns:1fr 240px"] {
    grid-template-columns: 1fr !important;
  }
  div[style*="grid-template-columns:1fr 1fr;gap:1.5rem;"] {
    grid-template-columns: 1fr !important;
  }
}