:root{--color-primary: #6366F1;--color-primary-light: #A5B4FC;--color-primary-lighter: #EEF2FF;--color-primary-dark: #4F46E5;--color-primary-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);--color-bg: #F7F8FC;--color-surface: #FFFFFF;--color-surface-hover: #FAFAFA;--color-border: #E8ECF1;--color-border-light: #F0F2F5;--color-sidebar: #1A1A2E;--color-sidebar-hover: #25253D;--color-sidebar-active: rgba(245, 166, 35, .15);--color-sidebar-text: #A0A3BD;--color-sidebar-text-active: #0D9488;--color-text: #1A1A2E;--color-text-secondary: #6B7280;--color-text-muted: #9CA3AF;--color-text-inverse: #FFFFFF;--color-success: #10B981;--color-success-bg: #ECFDF5;--color-error: #EF4444;--color-error-bg: #FEF2F2;--color-warning: #F59E0B;--color-warning-bg: #FFFBEB;--color-info: #3B82F6;--color-info-bg: #EFF6FF;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .8125rem;--font-size-base: .875rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px rgba(0, 0, 0, .05), 0 2px 4px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .06), 0 4px 6px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .08), 0 10px 10px rgba(0, 0, 0, .04);--sidebar-width: 260px;--sidebar-collapsed: 0px;--topbar-height: 64px;--content-max-width: 1400px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text);background-color:var(--color-bg);line-height:1.6;min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}img{max-width:100%;display:block}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.layout{display:flex;min-height:100vh}.layout__main{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh;transition:margin-left var(--transition-slow)}.layout__content{flex:1;padding:var(--space-8);max-width:var(--content-max-width);width:100%;margin:0 auto}.topbar{height:var(--topbar-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-8);position:sticky;top:0;z-index:40}.topbar__left,.topbar__right{display:flex;align-items:center;gap:var(--space-4)}.topbar__title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text)}.topbar__hamburger{display:none;background:none;border:none;cursor:pointer;color:var(--color-text);padding:var(--space-2);border-radius:var(--radius-sm);transition:background var(--transition-fast)}.topbar__hamburger:hover{background:var(--color-surface-hover)}.sidebar{width:var(--sidebar-width);background:var(--color-sidebar);color:var(--color-sidebar-text);display:flex;flex-direction:column;height:100vh;position:fixed;top:0;left:0;z-index:50;transition:transform var(--transition-slow);overflow-y:auto}.sidebar__brand{padding:var(--space-6) var(--space-6);display:flex;align-items:center;gap:var(--space-3);border-bottom:1px solid rgba(255,255,255,.06)}.sidebar__logo{width:36px;height:36px;background:var(--color-primary-gradient);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:var(--font-size-lg);color:#fff}.sidebar__brand-name{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text-inverse);letter-spacing:-.01em}.sidebar__nav{flex:1;padding:var(--space-4) var(--space-3);display:flex;flex-direction:column;gap:var(--space-1)}.sidebar__section-label{font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#ffffff4d;padding:var(--space-4) var(--space-3) var(--space-2)}.sidebar__link{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:var(--color-sidebar-text);font-size:var(--font-size-sm);font-weight:500;transition:all var(--transition-fast);cursor:pointer;text-decoration:none;border:none;background:none;width:100%;text-align:left}.sidebar__link:hover{background:var(--color-sidebar-hover);color:var(--color-text-inverse)}.sidebar__link--active{background:var(--color-sidebar-active);color:var(--color-sidebar-text-active)}.sidebar__link-icon{font-size:20px!important;opacity:.8}.sidebar__link--active .sidebar__link-icon{opacity:1}.sidebar__close{display:none;position:absolute;top:var(--space-4);right:var(--space-4);background:none;border:none;color:var(--color-sidebar-text);cursor:pointer;padding:var(--space-2);border-radius:var(--radius-sm)}.sidebar__footer{padding:var(--space-4) var(--space-3);border-top:1px solid rgba(255,255,255,.06)}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:45;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-8);flex-wrap:wrap;gap:var(--space-4)}.page-header__title{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text);letter-spacing:-.02em}.page-header__subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);margin-top:var(--space-1)}.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-6);margin-bottom:var(--space-8)}.stat-card{background:var(--color-primary-lighter);border-radius:var(--radius-lg);padding:var(--space-6);display:flex;align-items:flex-start;gap:var(--space-4);transition:transform var(--transition-base),box-shadow var(--transition-base);border:1px solid rgba(245,166,35,.1)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-card__icon{width:48px;height:48px;background:var(--color-primary-gradient);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.stat-card__info{flex:1;min-width:0}.stat-card__label{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:500;margin-bottom:var(--space-1)}.stat-card__value{font-size:var(--font-size-3xl);font-weight:700;color:var(--color-text);letter-spacing:-.02em;line-height:1.2}.card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);overflow:hidden}.card__header{padding:var(--space-6);border-bottom:1px solid var(--color-border-light);display:flex;align-items:center;justify-content:space-between}.card__title{font-size:var(--font-size-md);font-weight:600;color:var(--color-text)}.card__body{padding:var(--space-6)}.data-table{width:100%;border-collapse:separate;border-spacing:0}.data-table th{text-align:left;padding:var(--space-3) var(--space-4);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);background:var(--color-bg);border-bottom:1px solid var(--color-border)}.data-table td{padding:var(--space-4);font-size:var(--font-size-base);color:var(--color-text);border-bottom:1px solid var(--color-border-light);vertical-align:middle}.data-table tbody tr{transition:background var(--transition-fast)}.data-table tbody tr:hover{background:var(--color-surface-hover)}.data-table tbody tr:last-child td{border-bottom:none}.table-pagination{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-6);border-top:1px solid var(--color-border-light);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);font-family:var(--font-family);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;border:none;transition:all var(--transition-fast);white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--color-primary-gradient);color:#fff;box-shadow:0 2px 8px #f5a6234d}.btn--primary:hover:not(:disabled){box-shadow:0 4px 14px #f5a62373;transform:translateY(-1px)}.btn--secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover:not(:disabled){background:var(--color-surface-hover);border-color:var(--color-text-muted)}.btn--ghost{background:transparent;color:var(--color-text-secondary)}.btn--ghost:hover:not(:disabled){background:var(--color-surface-hover);color:var(--color-text)}.btn--danger{background:var(--color-error);color:#fff}.btn--danger:hover:not(:disabled){background:#dc2626}.btn--sm{padding:var(--space-2) var(--space-3);font-size:var(--font-size-xs);border-radius:var(--radius-sm)}.btn--lg{padding:var(--space-4) var(--space-8);font-size:var(--font-size-md)}.btn--icon{padding:var(--space-2);border-radius:var(--radius-sm)}.form-group{margin-bottom:var(--space-5)}.form-label{display:block;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text);margin-bottom:var(--space-2)}.form-input{width:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text);background:var(--color-surface);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none}.form-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #44a05126}.form-input::placeholder{color:var(--color-text-muted)}.form-input--error{border-color:var(--color-error)}.form-input--error:focus{box-shadow:0 0 0 3px #ef444426}.form-select{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='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.form-error{font-size:var(--font-size-xs);color:var(--color-error);margin-top:var(--space-1)}.form-helper{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:var(--space-1)}.badge{display:inline-flex;align-items:center;padding:2px var(--space-3);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;letter-spacing:.02em}.badge--success{background:var(--color-success-bg);color:var(--color-success)}.badge--error{background:var(--color-error-bg);color:var(--color-error)}.badge--warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge--info{background:var(--color-info-bg);color:var(--color-info)}.badge--neutral{background:var(--color-bg);color:var(--color-text-secondary)}.modal-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;padding:var(--space-4);animation:fadeIn var(--transition-fast)}.modal{background:var(--color-surface);border-radius:var(--radius-xl);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:slideUp var(--transition-base)}.modal__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-6);border-bottom:1px solid var(--color-border-light)}.modal__title{font-size:var(--font-size-lg);font-weight:600}.modal__close{background:none;border:none;cursor:pointer;color:var(--color-text-muted);padding:var(--space-2);border-radius:var(--radius-sm);transition:all var(--transition-fast);display:flex;align-items:center}.modal__close:hover{background:var(--color-bg);color:var(--color-text)}.modal__body{padding:var(--space-6)}.modal__footer{padding:var(--space-4) var(--space-6);border-top:1px solid var(--color-border-light);display:flex;justify-content:flex-end;gap:var(--space-3)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-16) var(--space-8);text-align:center}.empty-state__icon{font-size:56px!important;color:var(--color-text-muted);margin-bottom:var(--space-4);opacity:.5}.empty-state__title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);margin-bottom:var(--space-2)}.empty-state__text{font-size:var(--font-size-base);color:var(--color-text-secondary);margin-bottom:var(--space-6);max-width:360px}.spinner-container{display:flex;align-items:center;justify-content:center;padding:var(--space-16)}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}.spinner--sm{width:20px;height:20px;border-width:2px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg);padding:var(--space-4)}.auth-card{background:var(--color-surface);border-radius:var(--radius-xl);padding:var(--space-10);width:100%;max-width:440px;box-shadow:var(--shadow-lg);border:1px solid var(--color-border-light)}.auth-card__header{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);margin-bottom:var(--space-6)}.auth-card__logo{width:56px;height:56px;background:var(--color-primary-gradient);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:var(--font-size-2xl);color:#fff;box-shadow:0 4px 12px #f5a6234d}.auth-card__logo img{width:100%;height:100%;object-fit:contain;border-radius:var(--radius-lg)}.auth-card__brand{font-size:var(--font-size-lg);font-weight:700;color:var(--color-primary);letter-spacing:-.01em}.auth-card__logo-icon{width:44px;height:44px;background:var(--color-primary-gradient);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:var(--font-size-xl);color:#fff}.auth-card__logo-text{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text);letter-spacing:-.02em}.auth-card__title{font-size:var(--font-size-xl);font-weight:600;text-align:center;margin-bottom:var(--space-2)}.auth-card__subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);text-align:center;margin-bottom:var(--space-8)}.auth-card__footer{text-align:center;margin-top:var(--space-6);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.auth-card__alert{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--font-size-sm);margin-bottom:var(--space-5)}.auth-card__alert--error{background:var(--color-error-bg);color:var(--color-error)}.auth-card__alert--success{background:var(--color-success-bg);color:var(--color-success)}.notification-badge{position:relative;display:inline-flex}.notification-badge__count{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;background:var(--color-error);color:#fff;border-radius:var(--radius-full);font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px}.toggle{position:relative;width:44px;height:24px;background:var(--color-border);border-radius:var(--radius-full);cursor:pointer;transition:background var(--transition-fast);border:none;padding:0}.toggle--active{background:var(--color-success)}.toggle__knob{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform var(--transition-fast);box-shadow:var(--shadow-sm)}.toggle--active .toggle__knob{transform:translate(20px)}.usage-meter{margin-bottom:var(--space-4)}.usage-meter__header{display:flex;justify-content:space-between;margin-bottom:var(--space-2);font-size:var(--font-size-sm)}.usage-meter__label{font-weight:500;color:var(--color-text)}.usage-meter__value{color:var(--color-text-secondary)}.usage-meter__bar{height:8px;background:var(--color-bg);border-radius:var(--radius-full);overflow:hidden}.usage-meter__fill{height:100%;background:var(--color-primary-gradient);border-radius:var(--radius-full);transition:width var(--transition-slow)}.usage-meter__fill--warning{background:linear-gradient(135deg,var(--color-warning) 0%,var(--color-error) 100%)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn var(--transition-base)}.slide-up{animation:slideUp var(--transition-base)}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar--open{transform:translate(0)}.sidebar-overlay--visible{display:block}.sidebar__close{display:flex}.layout__main{margin-left:0}.topbar__hamburger{display:flex}.layout__content{padding:var(--space-4)}.page-header{flex-direction:column;align-items:flex-start}.stat-cards{grid-template-columns:1fr}.data-table{display:block;overflow-x:auto}.auth-card{padding:var(--space-6);max-width:100%!important}.auth-card form>div[style]{grid-template-columns:1fr!important}}@media(max-width:480px){.page-header__title{font-size:var(--font-size-xl)}.stat-card__value{font-size:var(--font-size-2xl)}}