.loading-spinner{display:inline-block}.loading-spinner__circle{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}.loading-spinner--small .loading-spinner__circle{width:1rem;height:1rem;border-width:2px}.loading-spinner--medium .loading-spinner__circle{width:2rem;height:2rem;border-width:3px}.loading-spinner--large .loading-spinner__circle{width:3rem;height:3rem;border-width:4px}.loading-spinner__overlay{position:fixed;inset:0;background-color:#fffc;display:flex;align-items:center;justify-content:center;z-index:9999}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:500;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all .2s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--small{padding:.375rem .75rem;font-size:.875rem}.btn--medium{padding:.5rem 1rem;font-size:.9375rem}.btn--large{padding:.75rem 1.5rem;font-size:1rem}.btn--primary{background-color:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background-color:var(--color-primary-dark)}.btn--secondary{background-color:var(--color-bg-secondary);color:var(--color-text);border-color:var(--color-border)}.btn--secondary:hover:not(:disabled){background-color:var(--color-bg)}.btn--danger{background-color:var(--color-danger);color:#fff}.btn--danger:hover:not(:disabled){background-color:#dc2626}.btn--ghost{background-color:transparent;color:var(--color-text)}.btn--ghost:hover:not(:disabled){background-color:var(--color-bg)}.btn--full-width{width:100%}.btn--loading{position:relative}.btn__spinner{width:1rem;height:1rem;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite}@keyframes 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summary{cursor:pointer;font-weight:600;color:var(--color-text);margin-bottom:.5rem}.error-boundary__stack{margin-top:1rem;padding:1rem;background:var(--color-bg-secondary);border-radius:var(--radius-sm);font-size:.75rem;color:var(--color-danger);overflow-x:auto;white-space:pre-wrap;word-break:break-all}.error-boundary__actions{display:flex;gap:1rem;justify-content:center}.page-error{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:2rem}.page-error__content{text-align:center;max-width:500px}.page-error__code{font-size:8rem;font-weight:700;color:var(--color-primary);line-height:1;margin-bottom:1rem;opacity:.3}.page-error__title{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:1rem}.page-error__message{font-size:1rem;color:var(--color-text-secondary);margin-bottom:2rem;line-height:1.6}.page-error__actions{display:flex;gap:1rem;justify-content:center}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-primary);color:#fff;padding:.5rem 1rem;text-decoration:none;z-index:1000;border-radius:0 0 var(--radius-md) 0;font-weight:600}.skip-link:focus{top:0;outline:2px solid var(--color-primary-dark);outline-offset:2px}.sidebar{width:260px;background:var(--color-bg-secondary);border-right:1px solid var(--color-border);height:100vh;display:flex;flex-direction:column;position:fixed;left:0;top:0;transition:transform .3s;z-index:100}.sidebar--collapsed{transform:translate(-100%)}.sidebar__header{padding:1.5rem;border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center}.sidebar__title{font-size:1.25rem;font-weight:700;color:var(--color-text);margin:0}.sidebar__toggle{background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--color-text-secondary);padding:.25rem}.sidebar__list{list-style:none;padding:0;margin:0;flex:1;overflow-y:auto}.sidebar__link{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:var(--color-text-secondary);text-decoration:none;transition:all .2s;position:relative}.sidebar__link:hover{background-color:var(--color-bg);color:var(--color-text)}.sidebar__link--active{background-color:#2563eb1a;color:var(--color-primary);font-weight:600}.sidebar__link--active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background-color:var(--color-primary)}.sidebar__icon{font-size:1.25rem;display:flex;align-items:center}.sidebar__label{flex:1}.sidebar__badge{background-color:var(--color-danger);color:#fff;font-size:.75rem;font-weight:600;padding:.125rem .5rem;border-radius:9999px;min-width:1.5rem;text-align:center}@media (max-width: 767px){.sidebar{transform:translate(-100%)}.sidebar:not(.sidebar--collapsed){transform:translate(0)}}.topbar{height:64px;background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;position:sticky;top:0;z-index:50}.topbar__left{display:flex;align-items:center;gap:.75rem}.topbar__menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border:1px solid var(--color-border);border-radius:.75rem;background:var(--color-bg);color:var(--color-text);cursor:pointer;font-size:1.25rem;flex-shrink:0}.topbar__menu-toggle:hover{background:var(--color-bg-tertiary, var(--color-bg-secondary))}.topbar__title{font-size:1.25rem;font-weight:700;color:var(--color-text);margin:0}.topbar__right{display:flex;align-items:center;gap:1rem}.topbar__user{display:flex;flex-direction:column;align-items:flex-end;gap:.125rem}.topbar__user-name{font-size:.9375rem;font-weight:500;color:var(--color-text)}.topbar__user-role{font-size:.75rem;color:var(--color-text-secondary)}@media (max-width: 767px){.topbar{padding:0 1rem}.topbar__user-role{display:none}}.layout{display:flex;min-height:100vh}.layout__main{flex:1;margin-left:260px;display:flex;flex-direction:column;transition:margin-left .3s}@media (max-width: 767px){.layout__main{margin-left:0}}.layout__content{flex:1;overflow-y:auto;background:var(--color-bg)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:1rem}.login-page__container{background:var(--color-bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:2rem;width:100%;max-width:400px}.login-page__header{text-align:center;margin-bottom:2rem}.login-page__header h1{font-size:1.75rem;font-weight:700;color:var(--color-text);margin-bottom:.5rem}.login-page__header p{color:var(--color-text-secondary);font-size:.9375rem}.login-page__form{display:flex;flex-direction:column;gap:1.25rem}.login-page__field{display:flex;flex-direction:column;gap:.5rem}.login-page__field label{font-size:.875rem;font-weight:500;color:var(--color-text)}.login-page__field input[type=text],.login-page__field input[type=password]{padding:.75rem;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.9375rem;transition:all .2s}.login-page__field input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.login-page__checkbox{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-weight:400}.login-page__checkbox input[type=checkbox]{width:1rem;height:1rem;cursor:pointer}*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #2563eb;--color-primary-dark: #1e40af;--color-secondary: #64748b;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-info: #3b82f6;--color-bg: #f8fafc;--color-bg-secondary: #ffffff;--color-text: #1e293b;--color-text-secondary: #64748b;--color-border: #e2e8f0;--color-status-healthy: #10b981;--color-status-degraded: #f59e0b;--color-status-down: #ef4444;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-bg);color:var(--color-text);line-height:1.5}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit}