:root{--primary: #7C3AED;--sidebar-bg: #343a40;--sidebar-hover: #4b545d;--sidebar-color: #c2c7d0;--navbar-bg: #ffffff;--bg-light: #f4f6f9}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-light);color:#333}.global-loader{position:fixed;top:0;left:0;width:100%;height:100%;background:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:9999}.spinner{border:4px solid rgba(0,0,0,.1);width:40px;height:40px;border-radius:50%;border-left-color:var(--primary);animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-split{height:100vh;display:flex;flex-direction:row}.login-illustration{flex:0 0 45%;background:linear-gradient(135deg,#5b4fc4,#7c6dd8 40%,#9d8ce6,#beb0f3);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.login-illustration:before{content:"";position:absolute;width:350px;height:350px;background:#ffffff0f;border-radius:50%;top:-60px;left:-80px}.login-illustration:after{content:"";position:absolute;width:250px;height:250px;background:#ffffff0d;border-radius:50%;bottom:-40px;right:-60px}.login-illustration-content{text-align:center;color:#fff;z-index:1;padding:40px}.login-brand{font-size:3rem;font-weight:800;margin:0 0 12px;letter-spacing:-.5px}.login-tagline{font-size:1.2rem;font-weight:600;opacity:.95;margin:0 0 6px}.login-subtitle{font-size:.95rem;opacity:.7;margin:0}.login-form-panel{flex:1;display:flex;align-items:center;justify-content:center;background:#fafbff;padding:40px}.login-form-wrapper{width:100%;max-width:400px}.login-welcome-badge{display:inline-block;background:linear-gradient(135deg,#7c6dd8,#9d8ce6);color:#fff;padding:6px 18px;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:20px}.login-heading{font-size:1.6rem;font-weight:700;color:#1a1a2e;margin:0 0 30px;border-bottom:none;padding-bottom:0}.login-field{margin-bottom:20px}.login-field label{display:block;margin-bottom:6px;font-weight:600;font-size:.85rem;color:#555}.login-field input{width:100%;padding:14px 16px;border:2px solid #e0dff5;border-radius:10px;font-size:1rem;box-sizing:border-box;transition:border-color .3s ease,box-shadow .3s ease;background:#fff;color:#333}.login-field input::placeholder{color:#bbb}.login-field input:focus{outline:none;border-color:#7c6dd8;box-shadow:0 0 0 4px #7c6dd81f}.login-submit-btn{width:100%;padding:14px;background:linear-gradient(135deg,#7c6dd8,#9d8ce6);color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:8px}.login-submit-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #7c6dd859}.login-submit-btn:active{transform:translateY(0)}.login-forgot{margin-top:18px;text-align:center}.login-forgot a{color:#7c6dd8;text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}.login-forgot a:hover{color:#5b4fc4;text-decoration:underline}.login-error{color:#dc3545;margin-top:12px;text-align:center;font-size:.9em}.login-success{color:#28a745;margin-top:12px;text-align:center;font-size:.9em}@media(max-width:768px){.login-split{flex-direction:column}.login-illustration{display:none}.login-form-panel{padding:30px 20px}}.wrapper{display:flex;flex-direction:column;min-height:100vh}.main-header{background:var(--navbar-bg);border-bottom:1px solid #dee2e6;height:57px;display:flex;justify-content:space-between;align-items:center;padding:0 15px;margin-left:250px;transition:margin-left .3s ease-in-out}.navbar-nav{display:flex;list-style:none;padding:0;margin:0;align-items:center}.nav-item{margin:0 10px}.nav-link{color:#333;text-decoration:none;display:flex;align-items:center;gap:5px}.main-sidebar{background:var(--sidebar-bg);width:250px;position:fixed;top:0;bottom:0;left:0;transition:transform .3s ease-in-out;color:var(--sidebar-color);z-index:1000}.brand-link{display:block;padding:15px;font-size:1.25rem;color:#fff;text-decoration:none;border-bottom:1px solid #4b545d;text-align:center}.nav-sidebar{list-style:none;padding:0;margin:0}.nav-sidebar .nav-item{margin:0}.nav-sidebar .nav-link{display:flex;align-items:center;padding:12px 15px;color:var(--sidebar-color);text-decoration:none;border-radius:4px;margin:4px 8px}.nav-sidebar .nav-link:hover{background:var(--sidebar-hover);color:#fff}.nav-sidebar .nav-link.active{background:var(--primary);color:#fff}.nav-icon{margin-right:10px;font-size:1.2rem}.content-wrapper{margin-left:250px;padding:20px;transition:margin-left .3s ease-in-out;flex:1}.sidebar-collapse .main-sidebar{transform:translate(-250px)}.sidebar-collapse .main-header,.sidebar-collapse .content-wrapper{margin-left:0}.error-message{color:red;font-size:.9em;margin-top:10px}#user-role-badge{background:#e9ecef;padding:4px 8px;border-radius:12px;font-size:.85rem;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:15px}.stat-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:25px;border-radius:10px;text-align:center;box-shadow:0 4px 12px #0000001a}.stat-card h3{font-size:.9em;margin:0 0 10px;opacity:.9;font-weight:400}.stat-number{font-size:2.2em;font-weight:700;margin:0}.admin-table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000000f}.admin-table thead{background:var(--sidebar-bg);color:#fff}.admin-table th,.admin-table td{padding:12px 16px;text-align:left;border-bottom:1px solid #eee}.admin-table tbody tr:hover{background-color:#f8f9fa}.admin-table tbody tr:last-child td{border-bottom:none}.info-message{color:#17a2b8;margin-top:10px;text-align:center;font-style:italic}.success-message{color:#28a745;font-size:.9em;margin-top:10px;text-align:center}@media(max-width:768px){.main-sidebar{transform:translate(-250px)}.main-header,.content-wrapper{margin-left:0}.stats-grid{grid-template-columns:1fr}}