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var(--transition-base);text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background-color:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark);border-color:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--color-bg-secondary);color:var(--color-text-primary);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:var(--color-bg-tertiary);border-color:var(--color-border-dark)}.btn-danger{background-color:var(--color-error);color:var(--color-text-inverse);border-color:var(--color-error)}.btn-danger:hover:not(:disabled){background-color:var(--color-error-text);border-color:var(--color-error-text)}.btn-ghost{background-color:transparent;color:var(--color-text-primary);border-color:transparent}.btn-ghost:hover:not(:disabled){background-color:var(--color-bg-secondary)}.btn-link{background-color:transparent;color:var(--color-primary);border-color:transparent;padding:0}.btn-link:hover:not(:disabled){color:var(--color-primary-dark);text-decoration:underline}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:var(--font-size-xs)}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:var(--font-size-base)}.btn-block{width:100%}.input{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-family:var(--font-family-base);font-size:var(--font-size-sm);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg-primary);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-fade)}.input:disabled{background-color:var(--color-bg-secondary);color:var(--color-text-muted);cursor:not-allowed}.input::placeholder{color:var(--color-text-tertiary)}.input.error{border-color:var(--color-error)}.input.error:focus{box-shadow:0 0 0 3px #d630311a}.input.success{border-color:var(--color-success)}.input.success:focus{box-shadow:0 0 0 3px #00b8941a}.card{background-color:var(--color-bg-primary);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);padding:var(--spacing-lg);transition:box-shadow var(--transition-base)}.card:hover{box-shadow:var(--shadow-md)}.card-header{padding-bottom:var(--spacing-md);margin-bottom:var(--spacing-md);border-bottom:var(--border-width) solid var(--color-border)}.card-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}.card-body{flex:1}.card-footer{padding-top:var(--spacing-md);margin-top:var(--spacing-md);border-top:var(--border-width) solid var(--color-border)}.card-elevated{box-shadow:var(--shadow-lg)}.card-elevated:hover{box-shadow:var(--shadow-xl)}.card-flat{box-shadow:none;border:none}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);line-height:var(--line-height-normal);border-radius:var(--border-radius-full);white-space:nowrap}.badge-primary{background-color:var(--color-primary);color:var(--color-text-inverse)}.badge-secondary{background-color:var(--color-secondary);color:var(--color-text-inverse)}.badge-success{background-color:var(--color-success-bg);color:var(--color-success-text)}.badge-warning{background-color:var(--color-warning-bg);color:var(--color-warning-text)}.badge-error{background-color:var(--color-error-bg);color:var(--color-error-text)}.badge-info{background-color:var(--color-info-bg);color:var(--color-info-text)}.alert{padding:var(--spacing-md);border-radius:var(--border-radius-md);border:var(--border-width) solid;margin-bottom:var(--spacing-md)}.alert-success{background-color:var(--color-success-bg);border-color:var(--color-success);color:var(--color-success-text)}.alert-warning{background-color:var(--color-warning-bg);border-color:var(--color-warning);color:var(--color-warning-text)}.alert-error{background-color:var(--color-error-bg);border-color:var(--color-error);color:var(--color-error-text)}.alert-info{background-color:var(--color-info-bg);border-color:var(--color-info);color:var(--color-info-text)}.spinner{display:inline-block;width:1rem;height:1rem;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:var(--animation-spin)}.spinner-sm{width:.75rem;height:.75rem;border-width:1.5px}.spinner-lg{width:1.5rem;height:1.5rem;border-width:3px}@keyframes 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var(--transition-base)}.modal-content{background-color:var(--color-bg-primary);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-2xl);width:100%;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;animation:slideUp var(--transition-base)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:var(--border-width) solid var(--color-border)}.modal-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}.modal-close{background:none;border:none;font-size:var(--font-size-xl);color:var(--color-text-tertiary);cursor:pointer;padding:var(--spacing-xs);border-radius:var(--border-radius-md);transition:all var(--transition-fast)}.modal-close:hover{background-color:var(--color-bg-secondary);color:var(--color-text-primary)}.modal-body{padding:var(--spacing-lg);overflow-y:auto;flex:1}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes 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var(--transition-fast)}.alert-dismiss:hover{opacity:1}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;margin-bottom:var(--spacing-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.required-mark{color:var(--color-error);margin-left:var(--spacing-xs)}.form-error{margin-top:var(--spacing-xs);font-size:var(--font-size-xs);color:var(--color-error)}.form-success{margin-top:var(--spacing-xs);font-size:var(--font-size-xs);color:var(--color-success)}.checkbox-group{margin-bottom:var(--spacing-md)}.checkbox-wrapper{display:flex;align-items:center;gap:var(--spacing-sm)}.checkbox-input{width:1.25rem;height:1.25rem;cursor:pointer;accent-color:var(--color-primary)}.checkbox-input.error{accent-color:var(--color-error)}.checkbox-label{cursor:pointer;font-size:var(--font-size-sm);color:var(--color-text-primary);-webkit-user-select:none;user-select:none}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;gap:var(--spacing-md)}.loading-message{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:var(--spacing-md);position:relative;overflow:hidden}.login-container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle 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.04);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .06);--transition-fast: .15s ease-in-out;--transition-base: .25s ease-in-out;--transition-slow: .35s ease-in-out;--transition-slower: .5s ease-in-out;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070;--breakpoint-sm: 640px;--breakpoint-md: 768px;--breakpoint-lg: 1024px;--breakpoint-xl: 1280px;--breakpoint-2xl: 1536px;--height-header: 64px;--height-sidebar: 240px;--width-sidebar: 240px;--width-sidebar-collapsed: 64px;--animation-spin: spin 1s linear infinite;--animation-ping: ping 1s cubic-bezier(0, 0, .2, 1) infinite;--animation-pulse: pulse 2s cubic-bezier(.4, 0, .6, 1) infinite;--animation-bounce: bounce 1s infinite}@media (prefers-reduced-motion: reduce){:root{--transition-fast: 0ms;--transition-base: 0ms;--transition-slow: 0ms;--transition-slower: 0ms}}@media (prefers-color-scheme: dark){:root{--color-bg-primary: #1a1a1a;--color-bg-secondary: #2d2d2d;--color-bg-tertiary: #3d3d3d;--color-text-primary: #f8f9fa;--color-text-secondary: #ced4da;--color-text-tertiary: #adb5bd;--color-border: 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var(--transition-base)}.transition-colors{transition:color var(--transition-base),background-color var(--transition-base),border-color var(--transition-base)}.transition-transform{transition:transform var(--transition-base)}@media (max-width: 768px){.hide-mobile{display:none}}@media (min-width: 769px){.hide-desktop{display:none}}