.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;font-family:var(--font-heading);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);text-decoration:none;border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);white-space:nowrap;min-height:44px;min-width:44px}.btn-primary{background:var(--color-primary);color:var(--color-white);border-color:var(--color-primary)}.btn-primary:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--color-accent);color:var(--color-white);border-color:var(--color-accent)}.btn-secondary:hover{background:var(--color-accent-dark);border-color:var(--color-accent-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline{background:0 0;color:var(--color-primary);border-color:var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:var(--color-white)}.btn-ghost{background:0 0;color:var(--color-primary);border-color:transparent}.btn-ghost:hover{background:var(--bg-secondary)}.btn-danger{background:var(--color-error);color:var(--color-white);border-color:var(--color-error)}.btn-danger:hover{background:#c82333;border-color:#c82333}.btn-sm{padding:8px 16px;font-size:var(--font-size-sm);min-height:36px}.btn-lg{padding:16px 32px;font-size:var(--font-size-lg);min-height:52px}.btn-full{width:100%}.btn.disabled,.btn:disabled{opacity:.6;cursor:not-allowed;pointer-events:none}.btn-loading{position:relative;pointer-events:none;opacity:.7}.btn-loading .btn-text{visibility:hidden}.btn-loading .spinner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:inline-block!important}.form-group{margin-bottom:var(--space-xl)}.form-label{display:block;font-weight:var(--font-weight-medium);color:var(--color-black);margin-bottom:var(--space-sm);font-size:var(--font-size-base)}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;font-family:var(--font-body);font-size:16px;color:var(--color-black);background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:all var(--transition-fast);min-height:44px}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:0;border:2px solid var(--color-primary);box-shadow:0 0 0 3px rgba(26,84,144,.1);padding:11px 15px}.form-textarea{min-height:120px;resize:vertical}.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px}.form-input.is-invalid,.form-select.is-invalid,.form-textarea.is-invalid{border:2px solid var(--color-error);background-color:rgba(220,53,69,.05)}.form-input.is-invalid:focus,.form-select.is-invalid:focus,.form-textarea.is-invalid:focus{box-shadow:0 0 0 3px rgba(220,53,69,.1)}.form-input.is-valid,.form-select.is-valid,.form-textarea.is-valid{border:2px solid var(--color-success);background-color:rgba(40,167,69,.05)}.form-input.is-valid:focus,.form-select.is-valid:focus,.form-textarea.is-valid:focus{box-shadow:0 0 0 3px rgba(40,167,69,.1)}.form-error{display:block;color:var(--color-error);font-size:var(--font-size-sm);margin-top:var(--space-xs);font-weight:var(--font-weight-medium)}.form-success{display:block;color:var(--color-success);font-size:var(--font-size-sm);margin-top:var(--space-xs);font-weight:var(--font-weight-medium)}.form-help{display:block;color:var(--color-gray-700);font-size:var(--font-size-sm);margin-top:var(--space-xs)}input[type=checkbox],input[type=radio]{width:20px;height:20px;cursor:pointer;accent-color:var(--color-primary)}.card{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:all var(--transition-normal);height:100%;display:flex;flex-direction:column}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.card-header{padding:var(--space-xl);border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.card-body{padding:var(--space-xl);flex:1}.card-footer{padding:var(--space-xl);border-top:1px solid var(--border-color);background:var(--bg-secondary)}.card-img{width:100%;height:240px;object-fit:cover}.card-title{font-size:var(--font-size-2xl);margin-bottom:var(--space-md);color:var(--color-black)}.card-text{color:var(--color-gray-900);margin-bottom:var(--space-xl)}.alert{padding:var(--space-md) var(--space-lg);border-radius:var(--radius-md);border-left:4px solid;margin-bottom:var(--space-lg);display:flex;align-items:flex-start;gap:var(--space-md)}.alert-success{background:rgba(40,167,69,.1);border-left-color:var(--color-success);color:#155724}.alert-error{background:rgba(220,53,69,.1);border-left-color:var(--color-error);color:#721c24}.alert-warning{background:rgba(255,193,7,.1);border-left-color:var(--color-warning);color:#856404}.alert-info{background:rgba(23,162,184,.1);border-left-color:var(--color-info);color:#0c5460}.alert-icon{font-size:var(--font-size-xl);flex-shrink:0}.alert-close{margin-left:auto;background:0 0;border:none;cursor:pointer;font-size:var(--font-size-xl);padding:0;line-height:1;color:inherit;opacity:.7;transition:opacity var(--transition-fast)}.alert-close:hover{opacity:1}.badge{display:inline-block;padding:4px 12px;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.5px;line-height:1}.badge-primary{background:var(--color-primary);color:var(--color-white)}.badge-secondary{background:var(--color-accent);color:var(--color-white)}.badge-success{background:var(--color-success);color:var(--color-white)}.badge-warning{background:var(--color-warning);color:#856404}.badge-error{background:var(--color-error);color:var(--color-white)}.badge-info{background:var(--color-info);color:var(--color-white)}.badge-outline{background:0 0;border:1px solid currentColor}.modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);z-index:var(--z-modal);align-items:center;justify-content:center;padding:var(--space-xl)}.modal.active{display:flex}.modal-content{background:var(--bg-primary);border-radius:var(--radius-xl);padding:var(--space-3xl);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;position:relative;animation:.3s ease-out modalSlideIn}.modal-close{position:absolute;top:var(--space-lg);right:var(--space-lg);background:0 0;border:none;font-size:var(--font-size-3xl);color:var(--color-gray-700);cursor:pointer;transition:color var(--transition-fast);line-height:1;padding:0}.modal-close:hover{color:var(--color-black)}@keyframes modalSlideIn{from{transform:translateY(-50px);opacity:0}to{transform:translateY(0);opacity:1}}.toast{background:var(--bg-primary);padding:var(--space-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:var(--space-md);animation:.3s ease-out toastSlideIn;border-left:4px solid;min-width:300px}.toast-success{border-left-color:var(--color-success)}.toast-error{border-left-color:var(--color-error)}.toast-warning{border-left-color:var(--color-warning)}.toast-info{border-left-color:var(--color-info)}.toast-icon{font-size:var(--font-size-2xl);flex-shrink:0}.toast-success .toast-icon{color:var(--color-success)}.toast-error .toast-icon{color:var(--color-error)}.toast-warning .toast-icon{color:var(--color-warning)}.toast-info .toast-icon{color:var(--color-info)}.toast-message{flex:1;color:var(--color-black)}.toast-close{background:0 0;border:none;color:var(--color-gray-700);cursor:pointer;font-size:var(--font-size-xl);padding:var(--space-xs);line-height:1;transition:color var(--transition-fast)}.toast-close:hover{color:var(--color-black)}@keyframes toastSlideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:.8s linear infinite spin}.spinner-primary{border-color:rgba(26,84,144,.3);border-top-color:var(--color-primary)}@keyframes spin{to{transform:rotate(360deg)}}.breadcrumb{display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap;list-style:none;padding:0;margin:0}.breadcrumb-item{display:flex;align-items:center;gap:var(--space-sm)}.breadcrumb-item:not(:last-child)::after{content:'/';color:var(--color-gray-700);margin-left:var(--space-sm)}.breadcrumb-link{color:var(--color-gray-900);text-decoration:none;font-size:var(--font-size-sm);transition:color var(--transition-fast)}.breadcrumb-link:hover{color:var(--color-primary)}.breadcrumb-item[aria-current=page],.breadcrumb-link.active{color:var(--color-gray-700);pointer-events:none}.pagination{display:flex;gap:var(--space-sm);list-style:none;padding:0;margin:0}.pagination-item{display:inline-block}.pagination-link{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:var(--space-sm) var(--space-md);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--color-gray-900);text-decoration:none;transition:all var(--transition-fast)}.pagination-link:hover{background:var(--bg-secondary);border-color:var(--color-primary);color:var(--color-primary)}.pagination-link.active{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-white)}.pagination-link:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.divider{height:1px;background:var(--border-color);margin:var(--space-xl) 0}.divider-vertical{width:1px;height:auto;background:var(--border-color);margin:0 var(--space-xl)}.skeleton{background:linear-gradient(90deg,var(--bg-secondary) 25%,var(--bg-primary) 50%,var(--bg-secondary) 75%);background-size:200% 100%;animation:1.5s infinite shimmer;border-radius:var(--radius-md)}.skeleton-text{height:1rem;margin-bottom:var(--space-sm)}.skeleton-heading{height:2rem;width:60%;margin-bottom:var(--space-md)}.skeleton-circle{border-radius:50%;width:50px;height:50px}@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}.tooltip{position:absolute;background:var(--color-black);color:var(--color-white);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);z-index:var(--z-tooltip);max-width:250px;pointer-events:none;opacity:0;transition:opacity var(--transition-fast)}.tooltip.show{opacity:1}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:100%;left:0;margin-top:var(--space-sm);background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:var(--z-dropdown);min-width:200px;display:none}.dropdown-menu.show{display:block}.dropdown-item{display:block;padding:var(--space-md) var(--space-lg);color:var(--color-gray-900);text-decoration:none;transition:background var(--transition-fast)}.dropdown-item:hover{background:var(--bg-secondary)}.dropdown-divider{height:1px;background:var(--border-color);margin:var(--space-sm) 0}