*{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-muted: #64748b;--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--sidebar-width: 240px;--header-height: 56px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:1rem}.layout{display:flex;min-height:100vh}.layout__sidebar{width:var(--sidebar-width);background:var(--color-surface);border-right:1px solid var(--color-border);position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column}.layout__main{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column}.layout__header{height:var(--header-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:flex-end;padding:0 24px;position:sticky;top:0;z-index:10}.layout__content{flex:1;padding:24px}.sidebar__logo{padding:16px 20px;font-size:1.125rem;font-weight:600;color:var(--color-primary);border-bottom:1px solid var(--color-border)}.sidebar__nav{flex:1;padding:12px 0}.sidebar__link{display:flex;align-items:center;gap:12px;padding:12px 20px;color:var(--color-text-muted);text-decoration:none;transition:all .15s}.sidebar__link:hover{background:var(--color-bg);color:var(--color-text);text-decoration:none}.sidebar__link--active{background:#eff6ff;color:var(--color-primary);font-weight:500}.sidebar__icon{font-size:1.25rem}.page-header{margin-bottom:24px}.page-header__title{font-size:1.5rem;font-weight:600;margin-bottom:4px}.page-header__subtitle{color:var(--color-text-muted)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:20px}.card__title{font-size:.875rem;font-weight:500;color:var(--color-text-muted);margin-bottom:8px}.card__value{font-size:2rem;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.table-container{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;overflow:hidden}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--color-border)}.table th{background:var(--color-bg);font-weight:500;font-size:.875rem;color:var(--color-text-muted)}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:var(--color-bg)}.btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:6px;font-size:.875rem;font-weight:500;border:none;transition:all .15s}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover{background:var(--color-primary-dark)}.btn--secondary{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover{background:var(--color-border)}.btn--small{padding:4px 8px;font-size:.75rem}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:500}.badge--success{background:#dcfce7;color:#166534}.badge--warning{background:#fef3c7;color:#92400e}.badge--error{background:#fee2e2;color:#991b1b}.badge--info{background:#dbeafe;color:#1e40af}.user-menu{display:flex;align-items:center;gap:12px}.user-menu__name{font-size:.875rem;color:var(--color-text-muted)}.user-menu__logout{font-size:.875rem;color:var(--color-text-muted);background:none;border:none;cursor:pointer}.user-menu__logout:hover{color:var(--color-error)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg)}.login-card{width:100%;max-width:400px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:32px}.login-card__logo{text-align:center;font-size:1.5rem;font-weight:600;color:var(--color-primary);margin-bottom:24px}.form-group{margin-bottom:16px}.form-group__label{display:block;font-size:.875rem;font-weight:500;margin-bottom:6px}.form-group__input{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:6px;font-size:1rem}.form-group__input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.form-error{color:var(--color-error);font-size:.875rem;margin-top:8px}.progress{height:8px;background:var(--color-bg);border-radius:4px;overflow:hidden}.progress__bar{height:100%;background:var(--color-primary);border-radius:4px;transition:width .3s}.empty-state{text-align:center;padding:48px 24px;color:var(--color-text-muted)}.empty-state__icon{font-size:3rem;margin-bottom:16px}.empty-state__title{font-size:1.125rem;font-weight:500;margin-bottom:8px;color:var(--color-text)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--color-surface);border-radius:12px;width:100%;max-width:500px;max-height:90vh;overflow:auto;box-shadow:0 20px 25px -5px #0000001a}.modal__header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--color-border)}.modal__title{font-size:1.125rem;font-weight:600}.modal__close{background:none;border:none;font-size:1.5rem;color:var(--color-text-muted);cursor:pointer;padding:0;line-height:1}.modal__close:hover{color:var(--color-text)}.modal__body{padding:20px}.modal__footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 20px;border-top:1px solid var(--color-border)}