:root{--bg-page: #f4f6f9;--bg-surface: #ffffff;--bg-muted: #eef1f6;--border: #e2e8f0;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--accent: #4f6ef7;--accent-hover: #3d5ce8;--accent-soft: #eef2ff;--danger: #dc2626;--danger-bg: #fef2f2;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);--shadow-md: 0 4px 16px rgba(15, 23, 42, .08);--radius: 12px;--radius-sm: 8px;--font: "Inter", system-ui, -apple-system, sans-serif}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased}button,input{font:inherit}.app-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-page)}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.55rem 1rem;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:500;font-size:.9rem;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg-surface);color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-muted)}.btn-full{width:100%}.layout{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:.875rem 1.5rem;background:var(--bg-surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}.header-brand{display:flex;align-items:center;gap:.75rem}.header-logo{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:.8rem}.header-title{font-weight:600;font-size:1rem}.header-actions{display:flex;align-items:center;gap:1rem}.settings-menu-container{position:relative}.settings-menu{position:absolute;top:100%;right:0;margin-top:.5rem;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);min-width:150px;z-index:100}.settings-menu-item{display:block;width:100%;padding:.65rem 1rem;text-align:left;background:none;border:none;color:var(--text-primary);cursor:pointer;font-size:.9rem;transition:background .15s}.settings-menu-item:hover{background:var(--bg-muted)}.settings-menu-item:first-child{border-radius:var(--radius-sm) var(--radius-sm) 0 0}.settings-menu-item:last-child{border-radius:0 0 var(--radius-sm) var(--radius-sm)}.header-user{color:var(--text-secondary);font-size:.9rem}.main{flex:1;padding:2rem 1.5rem;max-width:1100px;width:100%;margin:0 auto}.hero{margin-bottom:2rem}.hero h1{margin:0 0 .5rem;font-size:1.75rem;font-weight:700}.hero-subtitle{margin:0;color:var(--text-secondary);font-size:1rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow-sm)}.stat-label{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:.35rem}.stat-value{display:block;font-size:1.75rem;font-weight:700;color:var(--text-primary)}.stat-hint{display:block;margin-top:.35rem;font-size:.8rem;color:var(--text-muted)}.welcome-panel{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm)}.welcome-panel h2{margin:0 0 .5rem;font-size:1.1rem}.welcome-panel p{margin:0;color:var(--text-secondary);line-height:1.6}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:linear-gradient(160deg,#f8fafc,#eef2ff,#f4f6f9)}.login-card{width:100%;max-width:400px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-md)}.login-header{text-align:center;margin-bottom:1.75rem}.login-logo{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--radius);background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:1rem;margin-bottom:1rem}.login-header h1{margin:0 0 .35rem;font-size:1.5rem}.login-header p{margin:0;color:var(--text-secondary);font-size:.95rem}.login-form{display:flex;flex-direction:column;gap:1rem}.field{display:flex;flex-direction:column;gap:.35rem}.field span{font-size:.85rem;font-weight:500;color:var(--text-secondary)}.field input{padding:.6rem .75rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-page);color:var(--text-primary);transition:border-color .15s,box-shadow .15s}.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.alert{padding:.65rem .75rem;border-radius:var(--radius-sm);font-size:.875rem}.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca}.login-hint{margin:1.25rem 0 0;text-align:center;font-size:.8rem;color:var(--text-muted)}.login-hint strong{color:var(--text-secondary)}.password-form-container{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);margin-top:2rem}.password-form-container h3{margin:0 0 1rem;font-size:1.1rem;color:var(--text-primary)}.password-form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:.35rem}.form-group label{font-size:.85rem;font-weight:500;color:var(--text-secondary)}.form-group input{padding:.6rem .75rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-page);color:var(--text-primary);transition:border-color .15s,box-shadow .15s}.form-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.form-group input:disabled{background:var(--bg-muted);cursor:not-allowed}.form-error{padding:.65rem .75rem;border-radius:var(--radius-sm);font-size:.875rem;background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca}.form-success{padding:.65rem .75rem;border-radius:var(--radius-sm);font-size:.875rem;background:#dcfce7;color:#166534;border:1px solid #86efac}.password-form .btn-primary{margin-top:.5rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--bg-surface);border-radius:var(--radius);box-shadow:var(--shadow-md);width:90%;max-width:400px;max-height:90vh;overflow-y:auto;animation:slideUp .2s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid var(--border)}.modal-header h2{margin:0;font-size:1.25rem;color:var(--text-primary)}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;transition:color .15s;width:32px;height:32px;display:flex;align-items:center;justify-content:center}.modal-close:hover{color:var(--text-primary)}.modal-header+.password-form{padding:1.5rem}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem}.modal-actions .btn{flex:1}