:root{--primary:#1e3a5f;--primary-light:#2d5a8a;--primary-dark:#0f1f33;--accent:#4a90d9;--accent-hover:#3a7bc8;--background:#f8fafc;--surface:#fff;--text:#1a1a2e;--text-muted:#64748b;--border:#e2e8f0;--success:#10b981;--error:#ef4444;--warning:#f59e0b}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--background);color:var(--text)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease;border:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--background)}.input{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;transition:border-color .2s ease}.input:focus{outline:none;border-color:var(--accent)}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text)}.card{background:var(--surface);border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.1);padding:1.5rem}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.welcome-container{min-height:100vh;display:flex}.welcome-left{background:linear-gradient(135deg,var(--primary) 0,var(--primary-dark) 100%);color:#fff}.welcome-left,.welcome-right{flex:1 1;display:flex;flex-direction:column;justify-content:center;padding:4rem}.welcome-right{background:var(--surface)}.welcome-title{font-size:3rem;font-weight:700;margin-bottom:1.5rem}.welcome-subtitle{font-size:1.25rem;opacity:.9;line-height:1.6}.login-card{max-width:400px;width:100%}.login-title{font-size:1.75rem;font-weight:600;margin-bottom:2rem;color:var(--primary)}.error-message{background:#fef2f2;color:var(--error);padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.875rem}.dashboard-header{background:var(--primary);color:#fff;padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center}.dashboard-logo{font-size:1.5rem;font-weight:600}.dashboard-user{display:flex;align-items:center;gap:1rem}.dashboard-content{padding:2rem}.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:1.5rem;gap:1.5rem;margin-top:1.5rem}.app-card{background:var(--surface);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:transform .2s ease,box-shadow .2s ease;cursor:pointer}.app-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.12)}.app-card h3{font-size:1.25rem;margin-bottom:.5rem;color:var(--primary)}.app-card p{color:var(--text-muted);font-size:.875rem;margin-bottom:1rem}.app-card .btn{width:100%}.admin-container{display:flex;min-height:100vh}.admin-sidebar{width:250px;background:var(--primary-dark);color:#fff;padding:1.5rem}.admin-main{flex:1 1;padding:2rem}.admin-nav a{display:block;padding:.75rem 1rem;color:#fff;opacity:.8;border-radius:8px;margin-bottom:.5rem}.admin-nav a.active,.admin-nav a:hover{opacity:1;background:hsla(0,0%,100%,.1);text-decoration:none}.table{width:100%;border-collapse:collapse}.table td,.table th{padding:1rem;text-align:left;border-bottom:1px solid var(--border)}.table th{font-weight:600;color:var(--text-muted);font-size:.875rem;text-transform:uppercase}.table th,.table tr:hover{background:var(--background)}@media (max-width:768px){.welcome-container{flex-direction:column}.welcome-left,.welcome-right{padding:2rem}.welcome-title{font-size:2rem}.apps-grid{grid-template-columns:1fr}}