/* ====== MAHAINTRA MASTER - DESIGN SYSTEM ====== */
:root{
  --blue-50:#eff6ff; --blue-100:#dbeafe; --blue-200:#bfdbfe;
  --blue-400:#60a5fa; --blue-500:#3b82f6; --blue-600:#2563eb;
  --blue-700:#1d4ed8; --blue-800:#1e40af; --blue-900:#1e3a8a;
  --gradient: linear-gradient(135deg,#1e3a8a 0%,#3b82f6 50%,#60a5fa 100%);
  --gradient-soft: linear-gradient(135deg,#dbeafe 0%,#eff6ff 100%);
  --gradient-btn: linear-gradient(135deg,#2563eb 0%,#3b82f6 100%);
  --text:#0f172a; --muted:#64748b; --border:#e2e8f0; --bg:#f8fafc;
  --success:#10b981; --danger:#ef4444; --warning:#f59e0b;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05);
  --shadow:0 4px 6px -1px rgba(15,23,42,.07),0 2px 4px -2px rgba(15,23,42,.05);
  --shadow-lg:0 10px 25px -3px rgba(30,58,138,.12),0 4px 6px -4px rgba(30,58,138,.08);
  --radius:12px; --radius-sm:8px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--blue-600);text-decoration:none}
a:hover{color:var(--blue-800)}
img{max-width:100%;display:block}

/* ====== LOGIN PAGE ====== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--gradient);padding:20px;position:relative;overflow:hidden}
.login-wrap::before,.login-wrap::after{content:'';position:absolute;border-radius:50%;background:rgba(255,255,255,.08);pointer-events:none}
.login-wrap::before{width:500px;height:500px;top:-200px;right:-100px}
.login-wrap::after{width:400px;height:400px;bottom:-150px;left:-100px}
.login-card{background:#fff;border-radius:20px;padding:48px 40px;width:100%;max-width:420px;box-shadow:0 25px 50px -12px rgba(0,0,0,.25);position:relative;z-index:1}
.login-logo{display:flex;flex-direction:column;align-items:center;margin-bottom:32px}
.login-logo img{width:80px;height:80px;object-fit:contain}
.login-logo h2{font-size:22px;font-weight:700;color:var(--blue-900);margin-top:12px;letter-spacing:1px}
.login-logo span{color:var(--muted);font-size:13px;margin-top:4px}

/* ====== FORMS ====== */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-control{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;background:#fff;transition:all .15s;font-family:inherit}
.form-control:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
textarea.form-control{resize:vertical;min-height:90px}
select.form-control{cursor:pointer}

/* ====== BUTTONS ====== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;font-family:inherit;text-decoration:none;line-height:1}
.btn-primary{background:var(--gradient-btn);color:#fff;box-shadow:0 4px 12px rgba(59,130,246,.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(59,130,246,.4);color:#fff}
.btn-secondary{background:#fff;color:var(--blue-700);border:1.5px solid var(--border)}
.btn-secondary:hover{background:var(--blue-50);border-color:var(--blue-300)}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:7px 14px;font-size:12.5px}
.btn-block{width:100%}
.btn-icon{padding:8px;width:36px;height:36px}

/* ====== LAYOUT ====== */
.layout{display:flex;min-height:100vh}
.sidebar{width:260px;background:#fff;border-right:1px solid var(--border);position:fixed;height:100vh;overflow-y:auto;z-index:50;transition:transform .25s}
.sidebar-header{padding:24px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}
.sidebar-header img{width:42px;height:42px;object-fit:contain}
.sidebar-header .brand{font-weight:700;color:var(--blue-900);font-size:16px;letter-spacing:.5px}
.sidebar-header .brand small{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:0;margin-top:2px}
.nav-menu{padding:18px 14px;list-style:none}
.nav-menu li{margin-bottom:4px}
.nav-menu a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);color:var(--text);font-weight:500;font-size:14px;transition:all .15s}
.nav-menu a:hover{background:var(--blue-50);color:var(--blue-700)}
.nav-menu a.active{background:var(--gradient-btn);color:#fff;box-shadow:0 4px 10px rgba(59,130,246,.25)}
.nav-menu svg{width:18px;height:18px;flex-shrink:0}
.nav-divider{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:1px;padding:14px 14px 6px}

.main{flex:1;margin-left:260px;min-height:100vh;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--border);padding:14px 28px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:40}
.topbar h1{font-size:18px;font-weight:600;color:var(--text)}
.topbar .user-chip{display:flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;background:var(--blue-50);border-radius:50px}
.topbar .user-chip .avatar{width:32px;height:32px;border-radius:50%;background:var(--gradient-btn);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}
.topbar .user-chip span{font-size:13px;font-weight:500;color:var(--text)}
.content{padding:28px;flex:1}

/* ====== CARDS ====== */
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);overflow:hidden}
.card-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.card-header h3{font-size:15px;font-weight:600;color:var(--text)}
.card-body{padding:22px}

/* ====== STATS GRID ====== */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--border);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-btn)}
.stat-card .stat-icon{width:48px;height:48px;border-radius:12px;background:var(--gradient-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--blue-700)}
.stat-card .stat-icon svg{width:24px;height:24px}
.stat-card .stat-label{font-size:13px;color:var(--muted);font-weight:500;margin-bottom:4px}
.stat-card .stat-value{font-size:26px;font-weight:700;color:var(--text)}
.stat-card .stat-change{font-size:12px;color:var(--success);margin-top:6px;font-weight:500}
.stat-card .stat-change.down{color:var(--danger)}

/* ====== TABLE ====== */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--border)}
.table th{background:var(--blue-50);font-weight:600;color:var(--blue-900);font-size:12.5px;text-transform:uppercase;letter-spacing:.4px}
.table tbody tr:hover{background:var(--bg)}
.table tbody tr:last-child td{border-bottom:none}

/* ====== BADGES ====== */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.3px}
.badge-success{background:#dcfce7;color:#15803d}
.badge-danger{background:#fee2e2;color:#b91c1c}
.badge-warning{background:#fef3c7;color:#a16207}
.badge-info{background:#dbeafe;color:#1d4ed8}
.badge-gray{background:#f1f5f9;color:#475569}

/* ====== ALERTS ====== */
.alert{padding:13px 16px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:14px;border:1px solid;display:flex;align-items:center;gap:10px}
.alert-success{background:#f0fdf4;border-color:#bbf7d0;color:#15803d}
.alert-danger{background:#fef2f2;border-color:#fecaca;color:#b91c1c}
.alert-info{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}

/* ====== PAGE HEADER ====== */
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.page-header h2{font-size:22px;font-weight:700;color:var(--text)}
.page-header .subtitle{color:var(--muted);font-size:13.5px;margin-top:2px}

/* ====== MODAL ====== */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:var(--radius);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.modal-header h3{font-size:16px;font-weight:600}
.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--muted);width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center}
.modal-close:hover{background:var(--bg)}
.modal-body{padding:22px}
.modal-footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}

/* ====== UTIL ====== */
.text-muted{color:var(--muted)}
.text-success{color:var(--success)}
.text-danger{color:var(--danger)}
.text-right{text-align:right}
.text-center{text-align:center}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.flex{display:flex}.flex-between{justify-content:space-between}.items-center{align-items:center}.gap-2{gap:12px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}

/* ====== RESPONSIVE ====== */
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--blue-700)}
.mobile-toggle svg{width:24px;height:24px}
@media (max-width:900px){
  .sidebar{transform:translateX(-100%);box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .mobile-toggle{display:inline-flex}
  .content{padding:18px}
  .topbar{padding:12px 18px}
}