*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f0ea;--surface: #ffffff;--surface-alt: #faf8f5;--border: #e8e4df;--border-dark: #ddd5cc;--text: #2d2a26;--text-muted: #8a8278;--text-sub: #5a554e;--accent: #c4956a;--accent-dark: #a87c55;--success: #2d8a4e;--danger: #d9534f;--warning: #d9854e;--font: "DM Sans", -apple-system, sans-serif;--font-display: "DM Serif Display", Georgia, serif}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}.app-header{background:var(--text);color:var(--bg);padding:16px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;position:sticky;top:0;z-index:100}.app-header h1{font-family:var(--font-display);font-size:22px;letter-spacing:-.5px}.app-header p{font-size:12px;color:#a39e96;margin-top:2px}.header-right{display:flex;align-items:center;gap:12px}.header-user{font-size:12px;color:#a39e96}.container{max-width:940px;margin:0 auto;padding:20px 16px 60px}.card{background:var(--surface);border-radius:14px;padding:24px;border:1px solid var(--border)}.card-title{font-family:var(--font-display);font-size:22px;color:var(--text);margin-bottom:20px}.stats-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.stat-card{flex:1 1 140px;background:var(--surface);border-radius:14px;padding:16px 20px;border:1px solid var(--border);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;border-radius:14px 0 0 14px}.stat-card.accent:before{background:var(--accent)}.stat-card.warning:before{background:var(--warning)}.stat-card.success:before{background:var(--success)}.stat-card.info:before{background:#5a8a6e}.stat-label{font-size:11px;color:var(--text-muted);font-weight:600;letter-spacing:.8px;text-transform:uppercase;margin-bottom:4px}.stat-value{font-size:24px;font-weight:800;font-family:var(--font-display)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.form-group{display:flex;flex-direction:column;gap:4px}.form-label{font-size:11px;font-weight:700;color:var(--text-muted);letter-spacing:.6px;text-transform:uppercase}.form-input{padding:10px 12px;border:1.5px solid var(--border-dark);border-radius:10px;font-size:14px;font-family:var(--font);background:var(--surface-alt);outline:none;transition:border-color .2s;color:var(--text)}.form-input:focus{border-color:var(--accent)}.form-input-sm{width:75px;padding:8px 10px;border:1.5px solid var(--border-dark);border-radius:8px;font-size:15px;font-weight:700;text-align:center;background:var(--surface);font-family:var(--font);color:var(--text);outline:none}.form-input-sm:focus{border-color:var(--accent)}.btn{padding:10px 20px;border-radius:10px;font-size:13px;font-weight:700;cursor:pointer;font-family:var(--font);transition:all .2s;letter-spacing:.3px;border:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:transparent;color:var(--text-muted);border:1.5px solid var(--border-dark)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-sm{padding:6px 14px;font-size:12px}.btn-link{background:none;border:none;color:var(--accent);font-weight:700;font-family:var(--font);cursor:pointer;font-size:13px;padding:0}.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.badge-active{background:#c4956a18;color:var(--accent);border:1px solid #c4956a40}.badge-done{background:#2d8a4e18;color:var(--success);border:1px solid #2d8a4e40}.item-row{display:flex;align-items:center;gap:14px;background:var(--surface-alt);padding:12px 16px;border-radius:12px;border:1px solid var(--border);flex-wrap:wrap}.rental-card{background:var(--surface);border-radius:14px;padding:16px 20px;border:1px solid var(--border);cursor:pointer;transition:box-shadow .2s,transform .15s}.rental-card:hover{box-shadow:0 4px 16px #2d2a2610;transform:translateY(-1px)}.rental-items-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.item-tag{font-size:11px;background:var(--bg);padding:4px 10px;border-radius:8px;color:var(--text-sub);font-weight:600}.billing-box{background:var(--bg);border-radius:12px;padding:18px;border:1px solid var(--border);margin-top:20px}.billing-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:10px}.billing-table th{padding:6px 0;font-weight:600;color:var(--text-muted);text-align:left;border-bottom:1px solid var(--border-dark)}.billing-table td{padding:6px 0}.billing-total{margin-top:10px;padding-top:10px;border-top:2px solid var(--accent);display:flex;justify-content:space-between;font-weight:800;font-size:16px}.return-entry{background:var(--surface-alt);border-radius:12px;padding:16px;border:1px solid var(--border)}.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg)}.auth-card{background:var(--surface);border-radius:20px;padding:40px;border:1px solid var(--border);width:100%;max-width:400px}.auth-card h1{font-family:var(--font-display);font-size:28px;margin-bottom:4px}.auth-card p{color:var(--text-muted);font-size:14px;margin-bottom:28px}.auth-error{background:#d9534f14;color:var(--danger);padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:16px;border:1px solid #d9534f30}.empty-state{text-align:center;padding:60px 20px;background:var(--surface);border-radius:16px;border:1px solid var(--border);color:var(--text-muted)}.empty-state .icon{font-size:40px;margin-bottom:12px}.empty-state .msg{font-size:15px;font-weight:600}.tabs{display:flex;gap:4px;margin-bottom:20px;background:var(--surface);border-radius:12px;padding:4px;border:1px solid var(--border)}.tab{flex:1;padding:10px;text-align:center;border:none;background:transparent;font-family:var(--font);font-size:13px;font-weight:700;color:var(--text-muted);cursor:pointer;border-radius:10px;transition:all .2s}.tab.active{background:var(--accent);color:#fff}.flex-between{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:8px}.flex-gap{display:flex;gap:12px;flex-wrap:wrap}.flex-col{display:flex;flex-direction:column;gap:10px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mt-24{margin-top:24px}.mb-10{margin-bottom:10px}.text-right{text-align:right}.text-center{text-align:center}@media(max-width:600px){.app-header{padding:14px 16px}.card{padding:18px}.auth-card{padding:28px 22px}.stat-value{font-size:20px}}.spinner{display:inline-block;width:20px;height:20px;border:2.5px solid #c4956a40;border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-page{display:flex;justify-content:center;align-items:center;height:100vh;gap:12px;color:var(--text-muted)}