:root{
  --amber:#f59e0b;--amber-dark:#d97706;--amber-light:#fffbeb;
  --blue:#2563eb;--blue-dark:#1d4ed8;--blue-light:#eff6ff;
  --green:#16a34a;--green-bg:#f0fdf4;
  --red:#dc2626;--red-bg:#fef2f2;
  --g50:#f9fafb;--g100:#f3f4f6;--g200:#e5e7eb;--g300:#d1d5db;
  --g400:#9ca3af;--g500:#6b7280;--g700:#374151;--g800:#1f2937;--g900:#111827;
  --white:#fff;--sidebar-w:248px;--r:8px;--rlg:12px;
  --sh:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{height:100%}
body{font-family:'Inter',system-ui,sans-serif;font-size:14px;background:var(--g50);color:var(--g900);min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}a:hover{color:var(--blue-dark)}

.admin-layout{display:flex;min-height:100vh}
.main-content{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}

/* SIDEBAR */
.sidebar{width:var(--sidebar-w);background:var(--g900);position:fixed;top:0;left:0;height:100vh;display:flex;flex-direction:column;overflow-y:auto;z-index:200}
.sidebar-logo{padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:10px}
.sidebar-logo-icon{width:34px;height:34px;background:var(--amber);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.sidebar-logo-text .name{font-size:13px;font-weight:700;color:var(--white);line-height:1.3}
.sidebar-logo-text .sub{font-size:11px;color:rgba(255,255,255,.3);margin-top:1px}
.sidebar-nav{flex:1;padding:8px 0}
.nav-section-title{padding:12px 16px 4px;font-size:10px;font-weight:700;color:rgba(255,255,255,.22);text-transform:uppercase;letter-spacing:.1em}
.nav-link{display:flex;align-items:center;gap:10px;padding:9px 16px;color:rgba(255,255,255,.55);font-size:13px;font-weight:500;transition:all .15s;cursor:pointer;text-decoration:none;width:100%;border-left:3px solid transparent}
.nav-link:hover{background:rgba(255,255,255,.06);color:rgba(255,255,255,.9)}
.nav-link.active{background:rgba(245,158,11,.15);color:var(--amber);border-left-color:var(--amber);font-weight:600}
.nav-link .nav-icon{width:28px;height:28px;background:rgba(255,255,255,.06);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.nav-link.active .nav-icon{background:rgba(245,158,11,.2)}
.nav-link .nav-label{flex:1}
.nav-badge{background:var(--red);color:white;border-radius:20px;padding:1px 7px;font-size:11px;font-weight:700;flex-shrink:0}
.nav-divider{height:1px;background:rgba(255,255,255,.06);margin:5px 12px}
.sidebar-footer{padding:12px 16px;border-top:1px solid rgba(255,255,255,.07)}
.sidebar-footer .nav-link{border-radius:6px;border-left:none;padding:8px 10px}
.sidebar-footer .nav-link:hover{border-left:none}

/* TOPBAR */
.topbar{background:var(--white);border-bottom:1px solid var(--g200);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}
.topbar-left{display:flex;align-items:center;gap:12px}
.topbar-left h1{font-size:17px;color:var(--g900);font-weight:700;letter-spacing:-.01em}
.topbar-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--g500)}
.avatar{width:32px;height:32px;background:var(--amber);color:var(--g900);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;flex-shrink:0}

.page-content{padding:24px;flex:1}

/* STATS */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}
.stat-card{background:var(--white);border:1px solid var(--g200);border-radius:var(--rlg);padding:18px;box-shadow:var(--sh);display:flex;align-items:center;gap:14px}
.stat-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.stat-icon.pending{background:var(--amber-light)}
.stat-icon.confirmed{background:var(--green-bg)}
.stat-icon.cancelled{background:var(--red-bg)}
.stat-icon.total{background:var(--blue-light)}
.stat-num{font-size:26px;font-weight:800;color:var(--g900);line-height:1;letter-spacing:-.02em}
.stat-label{font-size:12px;color:var(--g500);margin-top:2px}

/* CARD */
.card{background:var(--white);border:1px solid var(--g200);border-radius:var(--rlg);box-shadow:var(--sh);margin-bottom:20px;overflow:hidden}
.card-header{padding:14px 20px;border-bottom:1px solid var(--g100);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-header h3{font-size:14px;font-weight:700;color:var(--g900)}
.card-body{padding:18px 20px}

/* TABLE */
.table-responsive{overflow-x:auto}
table{width:100%;border-collapse:collapse}
thead th{background:var(--g50);padding:10px 14px;text-align:left;font-size:11px;font-weight:700;color:var(--g500);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--g200)}
tbody tr{border-bottom:1px solid var(--g100);transition:background .1s}
tbody tr:hover{background:var(--g50)}
tbody td{padding:12px 14px;font-size:13px;vertical-align:middle}
tbody tr:last-child{border-bottom:none}

/* BADGES */
.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge-warning{background:var(--amber-light);color:var(--amber-dark);border:1px solid #fde68a}
.badge-success{background:var(--green-bg);color:var(--green);border:1px solid #bbf7d0}
.badge-danger{background:var(--red-bg);color:var(--red);border:1px solid #fecaca}
.badge-secondary{background:var(--g100);color:var(--g500)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:5px;padding:8px 16px;border-radius:var(--r);font-size:13px;font-weight:600;cursor:pointer;border:none;text-decoration:none;transition:all .15s;font-family:'Inter',system-ui,sans-serif}
.btn-sm{padding:5px 11px;font-size:12px;border-radius:6px}
.btn-lg{padding:11px 22px;font-size:14px}
.btn-primary{background:var(--amber);color:var(--g900)}
.btn-primary:hover{background:var(--amber-dark);color:var(--g900)}
.btn-success{background:var(--green);color:white}
.btn-success:hover{filter:brightness(.92);color:white}
.btn-danger{background:var(--red);color:white}
.btn-danger:hover{filter:brightness(.92);color:white}
.btn-outline{background:white;color:var(--blue);border:1.5px solid var(--blue)}
.btn-outline:hover{background:var(--blue);color:white}
.btn-secondary{background:var(--g100);color:var(--g700);border:1px solid var(--g200)}
.btn-secondary:hover{background:var(--g200)}

/* FORMS */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:600;margin-bottom:5px;color:var(--g700)}
.form-control{width:100%;padding:9px 12px;border:1.5px solid var(--g200);border-radius:var(--r);font-size:13px;font-family:'Inter',system-ui,sans-serif;color:var(--g900);background:white;transition:border-color .15s;outline:none}
.form-control:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(245,158,11,.15)}
select.form-control{cursor:pointer}
textarea.form-control{resize:vertical;min-height:80px}
.form-hint{font-size:11px;color:var(--g400);margin-top:4px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ALERTS */
.alert{padding:11px 14px;border-radius:var(--r);margin-bottom:16px;font-size:13px;display:flex;align-items:flex-start;gap:9px}
.alert-success{background:var(--green-bg);color:var(--green);border-left:4px solid var(--green)}
.alert-danger{background:var(--red-bg);color:var(--red);border-left:4px solid var(--red)}
.alert-warning{background:var(--amber-light);color:var(--amber-dark);border-left:4px solid var(--amber)}
.alert-info{background:var(--blue-light);color:#1e40af;border-left:4px solid var(--blue)}

/* FILTERS */
.filters{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.filter-btn{padding:5px 14px;border-radius:20px;border:1.5px solid var(--g200);background:white;color:var(--g500);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s;text-decoration:none}
.filter-btn:hover,.filter-btn.active{border-color:var(--amber);background:var(--amber);color:var(--g900)}

/* LOGIN */
.login-page{min-height:100vh;background:var(--g900);display:flex;align-items:center;justify-content:center;padding:20px;position:relative}
.login-page::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--amber),var(--amber-dark))}
.login-card{background:white;border-radius:var(--rlg);padding:40px 36px;width:100%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo .icon-wrap{width:54px;height:54px;background:var(--amber);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 12px}
.login-logo h2{font-size:20px;font-weight:800;color:var(--g900);letter-spacing:-.01em}
.login-logo p{font-size:13px;color:var(--g500);margin-top:4px}

/* SETTINGS TABS */
.settings-tabs{display:flex;gap:2px;border-bottom:2px solid var(--g200);margin-bottom:24px}
.stab{padding:9px 18px;border:none;background:none;cursor:pointer;font-size:13px;font-weight:600;color:var(--g500);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;font-family:'Inter',system-ui,sans-serif}
.stab:hover{color:var(--g700)}
.stab.active{color:var(--amber-dark);border-bottom-color:var(--amber)}
.stab-pane{display:none}
.stab-pane.active{display:block}

/* DAYS PICKER */
.days-picker{display:flex;gap:5px;flex-wrap:wrap}
.day-cb{display:none}
.day-lbl{padding:5px 12px;border-radius:20px;border:1.5px solid var(--g200);cursor:pointer;font-size:13px;font-weight:600;color:var(--g500);transition:all .15s;user-select:none}
.day-cb:checked+.day-lbl{background:var(--amber);color:var(--g900);border-color:var(--amber)}

/* BADGE OPTION */
.badge-toggle{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.badge-option{display:flex;align-items:center;gap:8px;padding:9px 14px;border:1.5px solid var(--g200);border-radius:var(--r);cursor:pointer;transition:all .15s;font-size:13px;color:var(--g700)}
.badge-option input{accent-color:var(--amber);width:15px;height:15px}
.badge-option:has(input:checked){border-color:var(--amber);background:var(--amber-light);color:var(--amber-dark)}

/* PAGINATION */
.pagination{display:flex;gap:3px;justify-content:center;margin-top:16px}
.page-link{padding:6px 11px;border-radius:var(--r);border:1.5px solid var(--g200);color:var(--g700);font-size:13px;transition:all .15s;text-decoration:none}
.page-link:hover,.page-link.active{background:var(--amber);color:var(--g900);border-color:var(--amber)}

/* RESPONSIVE */
.menu-toggle{display:none}
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .25s}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .menu-toggle{display:flex;background:none;border:none;color:var(--g700);font-size:20px;cursor:pointer}
  .form-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .page-content{padding:16px}
}