*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #eff6ff;--accent: #f59e0b;--bg: #f8fafc;--surface: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--danger: #dc2626}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.auth-wrapper{display:flex;min-height:100vh}.auth-left{flex:1;background:linear-gradient(135deg,var(--primary-dark) 0%,#4f46e5 50%,#7c3aed 100%);display:flex;align-items:center;justify-content:center;padding:3rem;position:relative;overflow:hidden}.auth-left:before{content:"";position:absolute;top:-50%;right:-30%;width:500px;height:500px;border-radius:50%;background:#ffffff0d}.auth-left:after{content:"";position:absolute;bottom:-20%;left:-10%;width:300px;height:300px;border-radius:50%;background:#ffffff0a}.auth-left-content{position:relative;z-index:1;text-align:center;color:#fff}.auth-left-content .icon{font-size:5rem;margin-bottom:1rem;display:block;filter:drop-shadow(0 4px 12px rgba(0,0,0,.2))}.auth-left-content .brand-logo{width:180px;height:auto}.auth-left-content h1{font-size:2.5rem;font-weight:700;margin-bottom:.75rem;letter-spacing:-.5px}.auth-left-content p{font-size:1.15rem;opacity:.85;line-height:1.6;max-width:360px;margin:0 auto}.feature-list{margin-top:2.5rem;text-align:left;display:inline-block}.feature-list .item{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem;font-size:.95rem;opacity:.9}.feature-list .item .dot{width:8px;height:8px;background:var(--accent);border-radius:50%;flex-shrink:0}.auth-right{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;background:var(--surface)}.auth-card{width:100%;max-width:420px}.auth-card h2{font-size:1.75rem;font-weight:600;margin-bottom:.25rem}.auth-card .subtitle{color:var(--text-muted);margin-bottom:2rem}.auth-card .link{color:var(--primary);text-decoration:none;font-weight:500}.auth-card .link:hover{text-decoration:underline}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-weight:500;font-size:.875rem;margin-bottom:.4rem;color:var(--text)}.form-control{width:100%;padding:.75rem 1rem;border:2px solid var(--border);border-radius:10px;font-size:.95rem;transition:border-color .2s;outline:none;font-family:inherit}.form-control:focus{border-color:var(--primary)}.form-control.is-invalid{border-color:var(--danger)}.invalid-feedback{color:var(--danger);font-size:.8rem;margin-top:.25rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;border-radius:10px;border:none;cursor:pointer;transition:all .2s;font-family:inherit}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-primary:disabled:hover{background:var(--primary)}.alert{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}.alert-danger{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.auth-wrapper{flex-direction:column}.auth-left{padding:2.5rem 1.5rem;min-height:auto}.auth-left-content h1{font-size:1.75rem}.auth-left-content .icon{font-size:3rem}.feature-list{margin-top:1.5rem}.auth-right{padding:2rem 1.5rem}}.app-nav{background:var(--surface);border-bottom:1px solid var(--border);padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between}.app-nav .brand{font-weight:700;font-size:1.15rem;color:var(--primary);display:flex;align-items:center;gap:.5rem}.app-nav .user-info{display:flex;align-items:center;gap:1rem}.app-nav .logout-btn{background:none;border:1px solid var(--border);padding:.4rem .9rem;border-radius:8px;font-size:.85rem;color:var(--text-muted);cursor:pointer;transition:all .2s}.app-nav .logout-btn:hover{border-color:var(--danger);color:var(--danger)}.app-content{padding:1.5rem 2rem 2rem;width:100%}.welcome-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:3rem;text-align:center;max-width:600px;margin:4rem auto}.welcome-card .icon{font-size:4rem;margin-bottom:1rem;display:block}.welcome-card h2{margin-bottom:.5rem}.welcome-card p{color:var(--text-muted)}