:root{--color-primary: #3f51b5;--color-primary-dark: #303f9f;--color-primary-light: #e8eaf6;--color-primary-rgb: 63, 81, 181;--color-accent: #667eea;--color-accent-end: #764ba2;--color-success: #4CAF50;--color-success-dark: #388e3c;--color-success-bg: #e8f5e9;--color-danger: #f44336;--color-danger-dark: #d32f2f;--color-danger-bg: #ffebee;--color-warning: #f57c00;--color-warning-dark: #e65100;--color-warning-bg: #fff3e0;--color-info: #1565c0;--color-info-bg: #e3f2fd;--text-primary: #1a1a1a;--text-secondary: #333;--text-muted: #666;--text-light: #999;--border-color: #e0e0e0;--border-light: #eee;--surface-bg: #f8f9fa;--surface-white: #ffffff;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 40px;--space-3xl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-pill: 999px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs: 11px;--font-size-sm: 12px;--font-size-base: 14px;--font-size-md: 16px;--font-size-lg: 20px;--font-size-xl: 24px;--font-size-2xl: 28px;--font-size-3xl: 36px;--gradient-primary: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-end) 100%);--gradient-payment: linear-gradient(135deg, #ff6f00 0%, #ff8f00 100%);--gradient-payment-hover: linear-gradient(135deg, #e65100 0%, #ff6f00 100%);--sidebar-width: 60px;--content-max-width: 1200px;--container-max-width: 1200px;--container-padding: var(--space-md);--navbar-height: 60px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);margin:0;height:100vh;font-size:var(--font-size-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeSpeed;overflow-y:scroll;overflow-x:hidden}html,body{height:100%}.container{max-width:var(--content-max-width);margin:0 auto;padding:var(--container-padding);width:100%}.page-header{margin-bottom:12px;padding:8px 14px;background:#f0f4ff;border:1px solid #dce4ff;border-radius:8px;display:flex;flex-direction:column;gap:2px}.page-title{font-size:16px;font-weight:600;color:#1e3a5f;margin:0}.card{background:var(--surface-white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:var(--space-md);margin-bottom:var(--space-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px 20px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-size:var(--font-size-base);font-weight:600;transition:background-color .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;text-decoration:none;text-align:center;line-height:1.4}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark);box-shadow:0 4px 12px rgba(var(--color-primary-rgb),.3)}.btn-secondary{background-color:#f5f5f5;color:var(--text-secondary)}.btn-secondary:hover:not(:disabled){background-color:var(--border-color)}.btn-success{background-color:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background-color:var(--color-success-dark);box-shadow:0 4px 12px #4caf504d}.btn-danger{background-color:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background-color:var(--color-danger-dark);box-shadow:0 4px 12px #f443364d}.btn-large{padding:14px 32px;font-size:var(--font-size-md)}.form-field{margin-bottom:var(--space-md)}.form-field label{display:block;margin-bottom:var(--space-xs);font-weight:500;color:var(--text-muted)}.form-field input,.form-field select,.form-field textarea{width:100%;padding:10px;border:1px solid #ddd;border-radius:var(--radius-sm);font-size:var(--font-size-base);font-family:inherit;transition:border-color .2s,box-shadow .2s}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(var(--color-primary-rgb),.1)}.error-message{color:var(--color-danger);font-size:var(--font-size-sm);margin-top:var(--space-xs)}.status-badge{display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.3px}.loading{display:flex;justify-content:center;align-items:center;min-height:200px}.grid{display:grid;gap:var(--space-md)}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}@media(max-width:1440px){:root{--sidebar-width: 40px}}@media(max-width:768px){:root{--container-padding: var(--space-md);--sidebar-width: 0px}.container{padding:var(--space-md)}.grid-2,.grid-3{grid-template-columns:1fr}.page-header{flex-direction:column;align-items:flex-start}.btn-large{padding:12px 20px;font-size:var(--font-size-base)}}@media(max-width:480px){:root{--container-padding: var(--space-sm)}.container,.card{padding:var(--space-sm)}}