:root{--bg-primary:#0b0e17;--bg-secondary:#111627;--bg-card:#161b2e;--bg-card-hover:#1c2240;--bg-input:#1a1f35;--bg-sidebar:#0d1020;--border:#252a3e;--border-light:#2d3352;--primary:#6366f1;--primary-hover:#818cf8;--primary-glow:#6366f140;--accent:#8b5cf6;--accent-glow:#8b5cf633;--success:#10b981;--success-bg:#10b9811a;--warning:#f59e0b;--warning-bg:#f59e0b1a;--danger:#ef4444;--danger-bg:#ef44441a;--text-primary:#e2e8f0;--text-secondary:#94a3b8;--text-muted:#64748b;--text-white:#fff;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-glow:0 0 20px var(--primary-glow);--sidebar-width:260px;--transition:all .25s cubic-bezier(.4, 0, .2, 1);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg-primary);height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:15px;line-height:1.6}#root{height:100%}input,textarea,button,select{font-family:inherit;font-size:inherit}a{color:var(--primary);text-decoration:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.login-container{background:radial-gradient(ellipse at top, #1a1040 0%, var(--bg-primary) 60%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);text-align:center;width:100%;max-width:420px;box-shadow:var(--shadow-lg), 0 0 80px #6366f114;padding:48px 40px;animation:.5s ease-out fadeInUp}.login-icon{margin-bottom:8px;font-size:56px;animation:3s ease-in-out infinite float;display:block}.login-card h1{background:linear-gradient(135deg, var(--primary), var(--accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:28px;font-weight:800}.login-card p{color:var(--text-secondary);margin-bottom:28px;font-size:14px}.login-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:var(--transition);text-align:center;letter-spacing:4px;outline:none;margin-bottom:12px;padding:14px 18px;font-size:16px}.login-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.error{color:var(--danger);margin-bottom:8px;font-size:13px;animation:.4s shake}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--accent));color:var(--text-white);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:none;justify-content:center;align-items:center;gap:6px;padding:12px 24px;font-size:14px;font-weight:600;display:inline-flex}.btn-primary:hover{box-shadow:var(--shadow-glow);filter:brightness(1.1);transform:translateY(-1px)}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;gap:6px;padding:12px 24px;font-size:14px;font-weight:500;display:inline-flex}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-light)}.btn-danger{background:var(--danger-bg);color:var(--danger);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:1px solid #ef444440;justify-content:center;align-items:center;gap:6px;padding:12px 24px;font-size:14px;font-weight:500;display:inline-flex}.btn-danger:hover{background:#ef444433}.btn-success{background:var(--success-bg);color:var(--success);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:1px solid #10b98140;justify-content:center;align-items:center;gap:6px;padding:12px 24px;font-size:14px;font-weight:500;display:inline-flex}.btn-success:hover{background:#10b98133}.btn-warning{background:var(--warning-bg);color:var(--warning);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:1px solid #f59e0b40;justify-content:center;align-items:center;gap:6px;padding:12px 24px;font-size:14px;font-weight:500;display:inline-flex}.btn-warning:hover{background:#f59e0b33}.btn-sm{padding:8px 14px;font-size:13px}.btn-back{color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);background:0 0;align-items:center;gap:4px;padding:8px 16px;font-size:14px;display:inline-flex}.btn-back:hover{color:var(--text-primary);border-color:var(--border-light)}.btn-icon{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-primary);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;font-size:14px;display:flex}.btn-icon:hover{background:var(--bg-card-hover)}.file-label{cursor:pointer}.app{height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);z-index:100;transition:var(--transition);flex-direction:column;padding:24px 16px;display:flex}.sidebar-header{border-bottom:1px solid var(--border);align-items:center;gap:10px;margin-bottom:16px;padding:0 8px 24px;display:flex}.sidebar-logo{font-size:28px}.sidebar-header h2{background:linear-gradient(135deg, var(--primary), var(--accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:20px;font-weight:800}.sidebar-nav{flex-direction:column;flex:1;gap:4px;display:flex}.sidebar-nav button{border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:var(--transition);text-align:left;background:0 0;border:none;align-items:center;gap:12px;padding:12px 16px;font-size:14px;font-weight:500;display:flex}.sidebar-nav button span{font-size:18px}.sidebar-nav button:hover{background:var(--bg-card);color:var(--text-primary)}.sidebar-nav button.active{color:var(--primary-hover);background:linear-gradient(135deg,#6366f126,#8b5cf61a);border:1px solid #6366f133}.sidebar-footer{border-top:1px solid var(--border);padding-top:16px}.logout-btn{border-radius:var(--radius-md);color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:14px;display:flex}.logout-btn:hover{color:var(--danger);background:var(--danger-bg)}.main-content{background:var(--bg-primary);flex:1;position:relative;overflow-y:auto}.mobile-header{background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:50;align-items:center;gap:12px;padding:16px 20px;display:none;position:sticky;top:0}.mobile-header h1{font-size:18px;font-weight:700}.menu-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:4px;font-size:24px}.overlay{z-index:90;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;display:none;position:fixed;inset:0}.page{max-width:1100px;margin:0 auto;padding:32px;animation:.3s ease-out fadeIn}.page-title{color:var(--text-white);margin-bottom:24px;font-size:26px;font-weight:700}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:32px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);align-items:center;gap:16px;padding:20px;display:flex}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card.warning{background:linear-gradient(135deg, var(--bg-card), #f59e0b0d);border-color:#f59e0b4d}.stat-card.danger{background:linear-gradient(135deg, var(--bg-card), #ef44440d);border-color:#ef44444d}.stat-card.accent{background:linear-gradient(135deg, var(--bg-card), #6366f10d);border-color:#6366f14d}.stat-icon{font-size:32px}.stat-info{flex-direction:column;display:flex}.stat-value{color:var(--text-white);font-size:24px;font-weight:700}.stat-label{color:var(--text-muted);font-size:13px;font-weight:500}.section{margin-bottom:28px}.section-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px;display:flex}.section-title{color:var(--text-primary);font-size:18px;font-weight:600}.danger-text{color:var(--danger)}.warning-text{color:var(--warning)}.search-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;margin-bottom:20px;padding:12px 18px;font-size:14px}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.search-input::placeholder{color:var(--text-muted)}.client-list{flex-direction:column;gap:8px;display:flex}.client-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);align-items:center;gap:16px;padding:16px 20px;display:flex}.client-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translate(4px)}.client-card.has-overdue{border-left:3px solid var(--danger)}.client-avatar{background:linear-gradient(135deg, var(--primary), var(--accent));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;font-weight:700;display:flex}.client-avatar.large{width:72px;height:72px;font-size:30px}.client-info{flex-direction:column;flex:1;display:flex}.client-info strong{color:var(--text-white);font-size:15px}.client-info span{color:var(--text-muted);font-size:13px}.client-total{text-align:right}.client-detail-header{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:24px 0 32px;display:flex}.client-detail-header h2{color:var(--text-white);font-size:24px;font-weight:700}.client-detail-header p{color:var(--text-secondary);font-size:14px}.client-actions{gap:8px;display:flex}.loan-list{flex-direction:column;gap:8px;display:flex}.loan-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.loan-card:hover{background:var(--bg-card-hover);transform:translate(4px)}.loan-card.overdue{border-left:3px solid var(--danger)}.loan-card.upcoming{border-left:3px solid var(--warning)}.loan-card-left{flex-direction:column;display:flex}.loan-card-left strong{color:var(--text-white);font-size:15px}.loan-date{color:var(--text-muted);font-size:13px}.loan-amount{color:var(--primary-hover);font-size:16px;font-weight:700}.loan-detail-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);padding:20px}.loan-detail-card:hover{box-shadow:var(--shadow-sm)}.loan-detail-card.overdue{border-left:4px solid var(--danger)}.loan-detail-card.today{border-left:4px solid var(--warning);background:linear-gradient(135deg, var(--bg-card), #f59e0b0a)}.loan-detail-card.soon{border-left:4px solid var(--warning)}.loan-detail-card.paid{border-left:4px solid var(--success);opacity:.7}.loan-detail-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.loan-amount-lg{color:var(--text-white);font-size:22px;font-weight:700}.loan-status{border-radius:20px;padding:4px 10px;font-size:13px;font-weight:600}.loan-status.overdue{background:var(--danger-bg);color:var(--danger)}.loan-status.today,.loan-status.soon{background:var(--warning-bg);color:var(--warning)}.loan-status.paid{background:var(--success-bg);color:var(--success)}.loan-status.normal{color:var(--primary-hover);background:#6366f11a}.loan-detail-info{color:var(--text-secondary);flex-direction:column;gap:4px;margin-bottom:16px;font-size:13px;display:flex}.loan-detail-actions{flex-wrap:wrap;gap:8px;display:flex}.modal-overlay{z-index:200;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#000000b3;justify-content:center;align-items:center;padding:20px;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:500px;max-height:90vh;box-shadow:var(--shadow-lg);padding:32px;animation:.3s ease-out slideUp;overflow-y:auto}.modal h3{color:var(--text-white);margin-bottom:24px;font-size:20px;font-weight:700}.form-group{margin-bottom:16px}.form-group label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-group input,.form-group textarea,.form-group select{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;padding:12px 16px}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.form-group textarea{resize:vertical;min-height:80px}.form-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.form-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.calendar{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.calendar-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.calendar-header h3{color:var(--text-white);font-size:18px;font-weight:600}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:4px;display:grid}.calendar-day-name{text-align:center;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;padding:8px 0;font-size:12px;font-weight:600}.calendar-day{background:var(--bg-secondary);border-radius:var(--radius-sm);min-height:80px;transition:var(--transition);border:1px solid #0000;padding:6px 8px;position:relative}.calendar-day:hover{background:var(--bg-card-hover)}.calendar-day.empty{background:0 0}.calendar-day.today{border-color:var(--primary);background:#6366f114}.calendar-day.has-loans{background:#f59e0b0d;border-color:#f59e0b66}.calendar-day.has-overdue{background:#ef44440d;border-color:#ef444466}.day-number{color:var(--text-secondary);font-size:13px;font-weight:600}.calendar-day.today .day-number{color:var(--primary-hover);font-weight:700}.day-loans{flex-direction:column;gap:2px;margin-top:4px;display:flex}.day-loan-badge{background:var(--warning-bg);color:var(--warning);white-space:nowrap;text-overflow:ellipsis;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:600;overflow:hidden}.day-loan-more{color:var(--text-muted);font-size:10px;font-weight:600}.settings-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-bottom:24px;display:grid}.settings-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.settings-card h3{color:var(--text-white);margin-bottom:8px;font-size:16px;font-weight:700}.settings-card p{color:var(--text-secondary);margin-bottom:16px;font-size:13px;line-height:1.5}.settings-info{text-align:center;color:var(--text-muted);padding:16px;font-size:13px}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px;display:flex}.empty-state.small{padding:24px}.empty-icon{margin-bottom:12px;font-size:48px;display:block}.empty-state p{color:var(--text-muted);font-size:15px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@media (width<=768px){.sidebar{z-index:100;box-shadow:none;position:fixed;top:0;bottom:0;left:-280px}.sidebar.open{box-shadow:var(--shadow-lg);left:0}.mobile-header{display:flex}.overlay{display:block}.page{padding:20px 16px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}.stat-card{padding:14px}.stat-icon{font-size:24px}.stat-value{font-size:18px}.form-row{grid-template-columns:1fr}.calendar-day{min-height:56px;padding:4px}.day-loan-badge{display:none}.calendar-day.has-loans:after,.calendar-day.has-overdue:after{content:"";background:var(--warning);border-radius:50%;width:6px;height:6px;position:absolute;bottom:4px;left:50%;transform:translate(-50%)}.calendar-day.has-overdue:after{background:var(--danger)}.modal{padding:24px 20px}.page-header{flex-direction:column;align-items:flex-start}.client-actions{justify-content:flex-end;width:100%}.settings-grid{grid-template-columns:1fr}.loan-detail-actions{flex-direction:column}.loan-detail-actions button{width:100%}}@media (width<=400px){.stats-grid{grid-template-columns:1fr}.login-card{padding:32px 24px}}