*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --sidebar-w:240px;
  --nav:#0f172a;
  --nav-hover:#1e293b;
  --nav-active:#1d4ed8;
  --accent:#2563eb;
  --accent-light:#eff6ff;
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --info:#6366f1;
  --bg:#f1f5f9;
  --surface:#ffffff;
  --border:#e2e8f0;
  --text:#0f172a;
  --text-muted:#64748b;
  --text-light:#94a3b8;
  --radius:10px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px rgba(0,0,0,.07),0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:0 10px 15px rgba(0,0,0,.08),0 4px 6px rgba(0,0,0,.05);
}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);line-height:1.5;font-size:14px;min-height:100vh}

/* ── LOGIN ─────────────────────────────────────────── */
#login-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 60%,#1e40af 100%);
}
.login-box{
  background:var(--surface);border-radius:16px;padding:48px 40px;
  width:100%;max-width:400px;box-shadow:0 25px 50px rgba(0,0,0,.3);
}
.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:32px}
.login-logo-icon{width:40px;height:40px;background:var(--accent);border-radius:10px;
  display:grid;place-items:center;color:#fff;font-size:20px;font-weight:700}
.login-logo-text{font-size:20px;font-weight:600;color:var(--text)}
.login-logo-sub{font-size:11px;color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase}
.login-title{font-size:24px;font-weight:600;margin-bottom:6px}
.login-sub{font-size:13px;color:var(--text-muted);margin-bottom:28px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.form-control{
  width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;
  font-family:'DM Sans',sans-serif;font-size:14px;color:var(--text);
  background:var(--surface);transition:border-color .2s,box-shadow .2s;outline:none;
}
.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
.form-error{font-size:12px;color:var(--danger);margin-top:4px;display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:9px 18px;border-radius:8px;font-family:'DM Sans',sans-serif;
  font-size:14px;font-weight:500;cursor:pointer;border:none;
  transition:all .15s;text-decoration:none;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}
.btn-secondary:hover{background:var(--bg);border-color:#cbd5e1}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:#059669}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#dc2626}
.btn-warning{background:var(--warning);color:#fff}
.btn-warning:hover{background:#d97706}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-full{width:100%}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}

/* ── APP SHELL ─────────────────────────────────────── */
#app{display:none;min-height:100vh}
.app-layout{display:flex;min-height:100vh}

/* ── SIDEBAR ───────────────────────────────────────── */
.sidebar{
  width:var(--sidebar-w);min-height:100vh;background:var(--nav);
  display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;
}
.sidebar-header{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.sidebar-logo{display:flex;align-items:center;gap:10px}
.sidebar-logo-icon{width:34px;height:34px;background:var(--accent);border-radius:8px;
  display:grid;place-items:center;color:#fff;font-size:16px;font-weight:700;flex-shrink:0}
.sidebar-logo-text{color:#f8fafc;font-size:15px;font-weight:600;letter-spacing:-.2px}
.sidebar-logo-sub{color:#64748b;font-size:10px;text-transform:uppercase;letter-spacing:.6px}
.sidebar-nav{flex:1;padding:14px 10px;display:flex;flex-direction:column;gap:2px}
.nav-section-label{
  font-size:10px;color:#475569;font-weight:600;text-transform:uppercase;
  letter-spacing:.8px;padding:10px 10px 4px;margin-top:4px
}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;
  color:#94a3b8;cursor:pointer;font-size:13.5px;font-weight:400;
  transition:all .15s;text-decoration:none;
}
.nav-item:hover{background:var(--nav-hover);color:#e2e8f0}
.nav-item.active{background:var(--nav-active);color:#fff;font-weight:500}
.nav-icon{width:18px;height:18px;flex-shrink:0;display:grid;place-items:center}
.nav-badge{margin-left:auto;background:var(--danger);color:#fff;
  font-size:10px;font-weight:600;padding:1px 6px;border-radius:10px;min-width:18px;text-align:center}
.sidebar-footer{padding:14px 18px;border-top:1px solid rgba(255,255,255,.07)}
.user-info{display:flex;align-items:center;gap:10px}
.user-avatar{
  width:32px;height:32px;background:var(--accent);border-radius:50%;
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:600;flex-shrink:0
}
.user-name{color:#e2e8f0;font-size:13px;font-weight:500;line-height:1.3}
.user-role{color:#64748b;font-size:11px;text-transform:capitalize}
.logout-btn{margin-left:auto;color:#64748b;cursor:pointer;padding:4px;border-radius:6px;background:none;border:none;transition:color .15s}
.logout-btn:hover{color:#e2e8f0}

/* ── MAIN CONTENT ──────────────────────────────────── */
.main-content{flex:1;display:flex;flex-direction:column;min-width:0}
.page-header{
  background:var(--surface);border-bottom:1px solid var(--border);
  padding:18px 28px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;position:sticky;top:0;z-index:10;
}
.page-title{font-size:18px;font-weight:600;color:var(--text);line-height:1.2}
.page-subtitle{font-size:13px;color:var(--text-muted);margin-top:1px}
.page-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.content-body{padding:24px 28px;flex:1}

/* ── VIEWS ─────────────────────────────────────────── */
.view{display:none}
.view.active{display:block}

/* ── STATS GRID ────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{
  background:var(--surface);border-radius:var(--radius);padding:20px;
  box-shadow:var(--shadow);border:1px solid var(--border);
  display:flex;align-items:flex-start;gap:16px;transition:box-shadow .2s;
}
.stat-card:hover{box-shadow:var(--shadow-md)}
.stat-icon{
  width:44px;height:44px;border-radius:10px;display:grid;place-items:center;
  font-size:20px;flex-shrink:0;
}
.stat-icon.blue{background:#eff6ff;color:var(--accent)}
.stat-icon.green{background:#ecfdf5;color:var(--success)}
.stat-icon.amber{background:#fffbeb;color:var(--warning)}
.stat-icon.red{background:#fef2f2;color:var(--danger)}
.stat-icon.purple{background:#f5f3ff;color:var(--info)}
.stat-value{font-size:26px;font-weight:600;line-height:1;color:var(--text);font-family:'DM Mono',monospace}
.stat-label{font-size:12px;color:var(--text-muted);margin-top:4px;font-weight:500}
.stat-sub{font-size:12px;color:var(--text-light);margin-top:2px}

/* ── CHARTS GRID ───────────────────────────────────── */
.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}
.chart-card{background:var(--surface);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid var(--border)}
.chart-title{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text)}
.chart-wrap{position:relative;height:220px}

/* ── TABLE ─────────────────────────────────────────── */
.table-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden}
.table-toolbar{
  padding:14px 18px;display:flex;align-items:center;gap:12px;
  border-bottom:1px solid var(--border);flex-wrap:wrap;
}
.search-input{
  flex:1;min-width:180px;padding:8px 12px 8px 36px;border:1.5px solid var(--border);
  border-radius:8px;font-family:'DM Sans',sans-serif;font-size:13px;
  background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 10px center;
  color:var(--text);outline:none;transition:border-color .2s;
}
.search-input:focus{border-color:var(--accent);background-color:var(--surface)}
.filter-select{
  padding:8px 32px 8px 10px;border:1.5px solid var(--border);border-radius:8px;
  font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text);
  background:var(--bg);outline:none;cursor:pointer;
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7' viewBox='0 0 10 7'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;
}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
thead th{
  padding:10px 16px;text-align:left;font-size:11px;font-weight:600;
  color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;
  background:#f8fafc;border-bottom:1px solid var(--border);white-space:nowrap;
}
tbody tr{border-bottom:1px solid var(--border);transition:background .1s}
tbody tr:last-child{border-bottom:none}
tbody tr:hover{background:#f8fafc}
td{padding:11px 16px;font-size:13.5px;color:var(--text);vertical-align:middle}
.tag{font-family:'DM Mono',monospace;font-size:12px;color:var(--text-muted);background:#f1f5f9;
  padding:2px 8px;border-radius:5px;white-space:nowrap}
.table-actions{display:flex;gap:6px;align-items:center}
.table-empty{padding:48px;text-align:center;color:var(--text-muted)}
.table-empty-icon{font-size:36px;margin-bottom:8px;opacity:.4}

/* ── PAGINATION ─────────────────────────────────────── */
.pagination{
  padding:12px 18px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-muted);
}
.pagination-btns{display:flex;gap:4px}
.pg-btn{
  padding:5px 10px;border:1.5px solid var(--border);border-radius:6px;
  background:var(--surface);color:var(--text);cursor:pointer;font-size:12px;
  transition:all .15s;font-family:'DM Sans',sans-serif;
}
.pg-btn:hover{border-color:var(--accent);color:var(--accent)}
.pg-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.pg-btn:disabled{opacity:.4;cursor:not-allowed}

/* ── BADGES ─────────────────────────────────────────── */
.badge{
  display:inline-flex;align-items:center;gap:4px;padding:3px 9px;
  border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap;
}
.badge::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.7}
.badge-available{background:#ecfdf5;color:#065f46}
.badge-in_use{background:#eff6ff;color:#1e40af}
.badge-under_maintenance{background:#fffbeb;color:#92400e}
.badge-retired{background:#f1f5f9;color:#475569}
.badge-lost{background:#fef2f2;color:#991b1b}
.badge-active{background:#ecfdf5;color:#065f46}
.badge-returned{background:#f1f5f9;color:#475569}
.badge-overdue{background:#fef2f2;color:#991b1b}
.badge-scheduled{background:#eff6ff;color:#1e40af}
.badge-in_progress{background:#fffbeb;color:#92400e}
.badge-completed{background:#ecfdf5;color:#065f46}
.badge-cancelled{background:#f1f5f9;color:#475569}
.badge-admin{background:#f5f3ff;color:#4c1d95}
.badge-manager{background:#eff6ff;color:#1e40af}
.badge-technician{background:#ecfeff;color:#155e75}
.badge-user{background:#f1f5f9;color:#475569}
.badge-open{background:#eff6ff;color:#1e40af}
.badge-assigned{background:#fef3c7;color:#92400e}
.badge-resolved{background:#dcfce7;color:#166534}
.badge-closed{background:#e5e7eb;color:#374151}
.badge-low{background:#f1f5f9;color:#475569}
.badge-medium{background:#dbeafe;color:#1d4ed8}
.badge-high{background:#fee2e2;color:#b91c1c}
.badge-critical{background:#7f1d1d;color:#fee2e2}

/* ── MODAL ───────────────────────────────────────────── */
.modal-overlay{
  display:none;position:fixed;inset:0;background:rgba(15,23,42,.55);
  z-index:100;align-items:center;justify-content:center;padding:16px;
  backdrop-filter:blur(2px);
}
.modal-overlay.open{display:flex}
.modal{
  background:var(--surface);border-radius:14px;width:100%;max-width:540px;
  box-shadow:var(--shadow-lg);max-height:90vh;display:flex;flex-direction:column;
  animation:modal-in .2s ease;
}
@keyframes modal-in{from{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:none}}
.modal-lg{max-width:700px}
.modal-header{
  padding:20px 24px 16px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;flex-shrink:0;
}
.modal-title{font-size:16px;font-weight:600}
.modal-close{
  width:30px;height:30px;border-radius:6px;border:none;background:none;
  color:var(--text-muted);cursor:pointer;font-size:18px;display:grid;place-items:center;
  transition:all .15s;line-height:1;
}
.modal-close:hover{background:var(--bg);color:var(--text)}
.modal-body{padding:20px 24px;overflow-y:auto;flex:1}
.modal-footer{
  padding:14px 24px;border-top:1px solid var(--border);
  display:flex;justify-content:flex-end;gap:10px;flex-shrink:0;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}

/* ── TOAST ───────────────────────────────────────────── */
#toast-container{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{
  padding:12px 18px;border-radius:10px;color:#fff;font-size:13.5px;font-weight:500;
  box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;
  animation:toast-in .25s ease;min-width:240px;
}
@keyframes toast-in{from{opacity:0;transform:translateX(100%)}to{opacity:1;transform:none}}
.toast-success{background:#10b981}
.toast-error{background:#ef4444}
.toast-info{background:#6366f1}
.toast-warning{background:#f59e0b}

/* ── MISC ─────────────────────────────────────────────── */
.loading{text-align:center;padding:40px;color:var(--text-muted)}
.spinner{display:inline-block;width:24px;height:24px;border:2.5px solid var(--border);
  border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin-bottom:10px}
@keyframes spin{to{transform:rotate(360deg)}}
.section-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;
  padding-bottom:8px;border-bottom:1px solid var(--border)}
.quick-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.info-row{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}
.info-label{color:var(--text-muted);width:140px;flex-shrink:0;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.3px}
.info-value{color:var(--text);font-weight:400}
@media(max-width:900px){
  .charts-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .sidebar{display:none}
}