@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root{--primary:#1e40af;--primary-light:#3b82f6;--primary-lighter:#60a5fa;--primary-lightest:#dbeafe;--primary-dark:#1e3a8a;--primary-darker:#172554;--accent:#2563eb;--success:#059669;--success-light:#d1fae5;--danger:#dc2626;--danger-light:#fee2e2;--warning:#d97706;--warning-light:#fef3c7;--info:#0284c7;--info-light:#e0f2fe;--bg:#ffffff;--bg-secondary:#f8fafc;--bg-blue:#eff6ff;--text:#1e293b;--text-secondary:#475569;--text-muted:#94a3b8;--border:#e2e8f0;--sidebar-w:260px;--radius:12px;--transition:all .3s ease;--font-main:'Inter',sans-serif;--font-display:'Outfit',sans-serif;--shadow:0 4px 16px rgba(30,64,175,0.06);--shadow-lg:0 12px 40px rgba(30,64,175,0.1)}

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-main);background:var(--bg-secondary);color:var(--text);min-height:100vh}
a{text-decoration:none;color:inherit}

.icon-svg{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px}
.icon-svg svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Login Page */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#eff6ff,#dbeafe 50%,#f8fafc)}
.login-card{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:50px 40px;max-width:420px;width:100%;text-align:center;box-shadow:var(--shadow-lg);animation:fadeIn .6s ease}
.login-logo{width:72px;height:72px;border-radius:50%;background:var(--primary-lightest);display:flex;align-items:center;justify-content:center;margin:0 auto 15px;color:var(--primary)}
.login-logo svg{width:36px;height:36px;stroke:currentColor;fill:none;stroke-width:2}
.login-title{font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--primary-dark);margin-bottom:5px}
.login-subtitle{color:var(--text-muted);font-size:14px;margin-bottom:30px}
.login-card .form-group{margin-bottom:20px;text-align:left}
.login-card .form-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-secondary)}
.login-card .form-control{width:100%;padding:13px 16px;background:var(--bg);border:1.5px solid var(--border);border-radius:10px;color:var(--text);font-size:15px;outline:none;transition:var(--transition)}
.login-card .form-control:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(59,130,246,0.1)}
.login-card .btn{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;transition:var(--transition);font-family:var(--font-display);display:flex;align-items:center;justify-content:center;gap:8px}
.login-card .btn:hover{background:var(--accent);box-shadow:0 6px 24px rgba(37,99,235,0.25);transform:translateY(-1px)}
.login-error{background:var(--danger-light);border:1px solid rgba(220,38,38,0.2);color:var(--danger);padding:12px;border-radius:8px;margin-bottom:20px;font-size:14px;display:flex;align-items:center;gap:8px}

/* Admin Layout */
.admin-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--bg);border-right:1px solid var(--border);padding:25px 0;position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:100;transition:var(--transition);box-shadow:2px 0 10px rgba(0,0,0,0.03)}
.sidebar-brand{padding:0 25px 25px;border-bottom:1px solid var(--border);margin-bottom:15px;text-align:center}
.sidebar-brand-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-lightest);display:flex;align-items:center;justify-content:center;margin:0 auto 10px;color:var(--primary)}
.sidebar-brand-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2}
.sidebar-brand h2{font-family:var(--font-display);font-size:16px;font-weight:700;color:var(--primary-dark)}
.sidebar-brand p{font-size:11px;color:var(--text-muted);margin-top:3px}
.sidebar-nav{list-style:none;padding:0 15px}
.sidebar-nav li{margin-bottom:2px}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:11px 15px;border-radius:10px;font-size:14px;font-weight:500;color:var(--text-secondary);transition:var(--transition)}
.sidebar-nav a:hover{background:var(--bg-blue);color:var(--primary)}
.sidebar-nav a.active{background:var(--primary-lightest);color:var(--primary);font-weight:600}
.sidebar-nav .nav-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:inherit}
.sidebar-nav .nav-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sidebar-divider{height:1px;background:var(--border);margin:12px 25px}

.admin-content{margin-left:var(--sidebar-w);flex:1;padding:30px;min-height:100vh}
.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;flex-wrap:wrap;gap:15px}
.admin-title{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:10px}
.admin-title span{color:var(--primary)}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-bottom:28px}
.stat-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:var(--transition);position:relative;overflow:hidden;box-shadow:var(--shadow)}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.stat-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px 3px 0 0}
.stat-card:nth-child(1)::after{background:var(--primary)}
.stat-card:nth-child(2)::after{background:var(--success)}
.stat-card:nth-child(3)::after{background:var(--warning)}
.stat-card:nth-child(4)::after{background:var(--info)}
.stat-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.stat-card:nth-child(1) .stat-icon{background:var(--primary-lightest);color:var(--primary)}
.stat-card:nth-child(2) .stat-icon{background:var(--success-light);color:var(--success)}
.stat-card:nth-child(3) .stat-icon{background:var(--warning-light);color:var(--warning)}
.stat-card:nth-child(4) .stat-icon{background:var(--info-light);color:var(--info)}
.stat-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.stat-value{font-family:var(--font-display);font-size:28px;font-weight:800;color:var(--text);margin-bottom:4px}
.stat-label{font-size:13px;color:var(--text-muted)}

/* Tables */
.table-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:24px;box-shadow:var(--shadow)}
.table-header{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:10px}
.table-title{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px}
.table-wrapper{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{padding:12px 20px;text-align:left;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);background:var(--bg-secondary);border-bottom:1px solid var(--border)}
td{padding:13px 20px;font-size:14px;border-bottom:1px solid var(--border);color:var(--text)}
tr:hover td{background:var(--bg-blue)}
.table-empty{text-align:center;padding:40px;color:var(--text-muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition);font-family:var(--font-main)}
.btn-sm{padding:7px 14px;font-size:12px;border-radius:6px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--accent);box-shadow:0 4px 14px rgba(37,99,235,0.2);transform:translateY(-1px)}
.btn-success{background:var(--success-light);color:var(--success);border:1px solid rgba(5,150,105,0.2)}
.btn-success:hover{background:rgba(5,150,105,0.15)}
.btn-danger{background:var(--danger-light);color:var(--danger);border:1px solid rgba(220,38,38,0.2)}
.btn-danger:hover{background:rgba(220,38,38,0.12)}
.btn-info{background:var(--info-light);color:var(--info);border:1px solid rgba(2,132,199,0.2)}
.btn-info:hover{background:rgba(2,132,199,0.12)}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--primary-light);color:var(--primary);background:var(--bg-blue)}

/* Admin Forms */
.admin-form{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:24px;box-shadow:var(--shadow)}
.admin-form .form-group{margin-bottom:18px}
.admin-form .form-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.admin-form .form-control{width:100%;padding:11px 14px;background:var(--bg);border:1.5px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;outline:none;transition:var(--transition);font-family:var(--font-main)}
.admin-form .form-control:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(59,130,246,0.08)}
.admin-form select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%232563eb' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}
.form-check{display:flex;align-items:center;gap:8px}
.form-check input[type="checkbox"]{width:18px;height:18px;accent-color:var(--primary)}

/* Alert */
.alert{padding:14px 18px;border-radius:8px;margin-bottom:18px;font-size:14px;display:flex;align-items:center;gap:8px}
.alert-success{background:var(--success-light);border:1px solid rgba(5,150,105,0.2);color:var(--success)}
.alert-error{background:var(--danger-light);border:1px solid rgba(220,38,38,0.2);color:var(--danger)}
.alert-warning{background:var(--warning-light);border:1px solid rgba(217,119,6,0.2);color:var(--warning)}
.alert-info{background:var(--info-light);border:1px solid rgba(2,132,199,0.2);color:var(--info)}

/* Badge */
.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:50px;font-size:11px;font-weight:600}
.badge-success{background:var(--success-light);color:var(--success)}
.badge-warning{background:var(--warning-light);color:var(--warning)}
.badge-danger{background:var(--danger-light);color:var(--danger)}
.badge-info{background:var(--info-light);color:var(--info)}
.badge-muted{background:#f1f5f9;color:var(--text-muted)}

@keyframes fadeIn{from{opacity:0;transform:scale(0.97)}to{opacity:1;transform:scale(1)}}

@media(max-width:768px){
    .sidebar{transform:translateX(-100%);width:280px;box-shadow:4px 0 20px rgba(0,0,0,0.1);z-index:1001;}
    .sidebar.open{transform:translateX(0)}
    .admin-content{margin-left:0;padding:75px 20px 30px;} /* padding-top 75px prevents overlap with mobile toggle */
    .admin-header{margin-bottom:20px;}
    .stats-grid{grid-template-columns:1fr 1fr;gap:12px;}
    .stat-card{padding:18px;}
    .form-row{grid-template-columns:1fr}
    .mobile-toggle{display:flex!important;z-index:1002;} /* keep toggle above sidebar to close it */
}
@media(max-width:480px){
    .stats-grid{grid-template-columns:1fr}
    .admin-content{padding:70px 15px 20px;}
}
.mobile-toggle{display:none;position:fixed;top:15px;left:15px;z-index:1002;width:44px;height:44px;background:var(--bg);border:1px solid var(--border);border-radius:10px;align-items:center;justify-content:center;cursor:pointer;color:var(--primary);box-shadow:var(--shadow-lg)}
.mobile-toggle svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2}