.toast-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:9999;display:flex;flex-direction:column;gap:.5rem;max-width:360px}.toast{display:flex;align-items:center;gap:.75rem;padding:.875rem 1.125rem;border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:.9rem;font-weight:500;cursor:pointer;transition:transform var(--transition),opacity var(--transition)}.toast-success{background:var(--color-success);color:#fff}.toast-error{background:var(--color-error);color:#fff}.toast-warning{background:var(--color-warning);color:#fff}.toast-info{background:var(--color-primary);color:#fff}.toast-icon{font-size:1rem;font-weight:700;flex-shrink:0}.toast-enter-active{transition:all .25s ease-out}.toast-leave-active{transition:all .2s ease-in}.toast-enter-from,.toast-leave-to{transform:translate(100%);opacity:0}.toast-move{transition:transform .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #1a1a2e;--color-primary-hover: #16213e;--color-accent: #e94560;--color-accent-hover: #c73652;--color-bg: #f0f2f5;--color-surface: #ffffff;--color-border: #e2e8f0;--color-border-focus: #1a1a2e;--color-text: #1a202c;--color-text-muted: #718096;--color-text-light: #a0aec0;--color-success: #38a169;--color-success-bg: #f0fff4;--color-error: #e53e3e;--color-error-bg: #fff5f5;--color-warning: #d69e2e;--color-warning-bg: #fffff0;--color-info: #3182ce;--color-info-bg: #ebf8ff;--sidebar-width: 240px;--header-height: 56px;--radius: 8px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);--transition: .15s ease;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", Consolas, monospace}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:.9375rem;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25;color:var(--color-text)}h1{font-size:1.75rem}h2{font-size:1.375rem}h3{font-size:1.125rem}h4{font-size:1rem}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border:1px solid transparent;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;transition:background var(--transition),box-shadow var(--transition),opacity var(--transition);white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover:not(:disabled){background:var(--color-accent-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg)}.btn-ghost{background:transparent;color:var(--color-text-muted)}.btn-ghost:hover:not(:disabled){background:var(--color-bg);color:var(--color-text)}.btn-danger{background:var(--color-error);color:#fff}.btn-sm{padding:.3rem .75rem;font-size:.8125rem}.btn-lg{padding:.75rem 1.5rem;font-size:1rem}.btn-block{width:100%;justify-content:center}.btn-icon{padding:.5rem}.form-group{display:flex;flex-direction:column;gap:.375rem}label{font-size:.875rem;font-weight:500;color:var(--color-text)}.form-control{width:100%;padding:.5625rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.9375rem;font-family:inherit;color:var(--color-text);background:var(--color-surface);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.form-control:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px #1a1a2e1a}.form-control::placeholder{color:var(--color-text-light)}.form-control:disabled{background:var(--color-bg);opacity:.6;cursor:not-allowed}select.form-control{cursor:pointer}textarea.form-control{resize:vertical;min-height:100px}.form-error{font-size:.8125rem;color:var(--color-error)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.card-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;gap:1rem}.card-body{padding:1.5rem}.table-wrapper{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--color-border);background:var(--color-surface)}table{width:100%;border-collapse:collapse;font-size:.9rem}thead th{padding:.75rem 1rem;text-align:left;font-size:.8125rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--color-border);background:var(--color-bg)}tbody td{padding:.875rem 1rem;border-bottom:1px solid var(--color-border);color:var(--color-text)}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--color-bg)}.badge{display:inline-flex;align-items:center;padding:.2rem .6rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-draft{background:#edf2f7;color:#4a5568}.badge-sent{background:#ebf8ff;color:#2b6cb0}.badge-paid{background:var(--color-success-bg);color:var(--color-success)}.badge-overdue{background:var(--color-error-bg);color:var(--color-error)}.badge-cancelled{background:#fff5f5;color:#c53030}.alert{padding:.875rem 1rem;border-radius:var(--radius);font-size:.9rem;display:flex;align-items:flex-start;gap:.5rem}.alert-error{background:var(--color-error-bg);color:var(--color-error);border:1px solid #fed7d7}.alert-success{background:var(--color-success-bg);color:var(--color-success);border:1px solid #c6f6d5}.alert-warning{background:var(--color-warning-bg);color:var(--color-warning);border:1px solid #fefcbf}.alert-info{background:var(--color-info-bg);color:var(--color-info);border:1px solid #bee3f8}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:currentColor;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.text-muted{color:var(--color-text-muted)}.text-small{font-size:.8125rem}.text-right{text-align:right}.text-center{text-align:center}.font-mono{font-family:var(--font-mono)}.font-bold{font-weight:600}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.gap-2{gap:.5rem}.gap-4{gap:1rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.flex-1{flex:1}.w-full{width:100%}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-light)}.modal-backdrop,.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--color-surface);border-radius:var(--radius-lg);padding:1.75rem;width:100%;max-width:420px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal.modal-lg{max-width:680px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}.modal-title{font-size:1.1rem;font-weight:600;margin:0}.modal-body{margin-bottom:1.25rem}.modal-footer{display:flex;gap:.75rem;justify-content:flex-end;padding-top:1rem;border-top:1px solid var(--color-border)}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem}