:root{--color-primary: #6366f1;--color-primary-hover: #818cf8;--color-primary-active: #4f46e5;--color-success: #10b981;--color-success-light: #34d399;--color-warning: #f59e0b;--color-danger: #ef4444;--color-neutral: #6b7280;--color-neutral-light: #9ca3af;--color-bg-primary: #111827;--color-bg-secondary: #1f2937;--color-bg-tertiary: #374151;--color-bg-overlay: rgba(0, 0, 0, .8);--color-text-primary: #f9fafb;--color-text-secondary: #d1d5db;--color-text-tertiary: #9ca3af;--breathing-o2: #06b6d4;--breathing-co2: #f97316;--breathing-phase-inhale: #10b981;--breathing-phase-exhale: #f59e0b;--voice-personality: #a78bfa;--voice-emotion: #f472b6;--voice-growth: #34d399;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: 0 0 24px rgba(99, 102, 241, .3);--z-base: 0;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070}*{box-sizing:border-box}body{margin:0;background:var(--color-bg-primary);color:var(--color-text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:var(--font-size-base);line-height:var(--line-height-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-base{font-size:var(--font-size-base)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-2xl{font-size:var(--font-size-2xl)}.text-3xl{font-size:var(--font-size-3xl)}.font-normal{font-weight:var(--font-weight-normal)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.text-tertiary{color:var(--color-text-tertiary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:none;border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);cursor:pointer;transition:all .2s ease;outline:none;-webkit-user-select:none;user-select:none}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 4px 6px -1px #6366f14d}.btn-primary:hover{background:var(--color-primary-hover);box-shadow:0 6px 8px -1px #6366f166}.btn-primary:active{background:var(--color-primary-active)}.btn-success{background:var(--color-success);color:#fff;box-shadow:0 4px 6px -1px #10b9814d}.btn-success:hover{background:var(--color-success-light)}.btn-warning{background:var(--color-warning);color:#fff}.btn-danger{background:var(--color-danger);color:#fff}.btn-ghost{background:transparent;color:var(--color-text-primary)}.btn-ghost:hover{background:var(--color-bg-tertiary)}.btn-small{padding:var(--space-1) var(--space-3);font-size:var(--font-size-sm)}.btn-large{padding:var(--space-3) var(--space-6);font-size:var(--font-size-lg)}.card{background:var(--color-bg-secondary);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-md);border:1px solid var(--color-bg-tertiary)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4);padding-bottom:var(--space-3);border-bottom:1px solid var(--color-bg-tertiary)}.card-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0;display:flex;align-items:center;gap:var(--space-2)}.card-body{color:var(--color-text-secondary)}.card-footer{margin-top:var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--color-bg-tertiary)}.collapsible-section{margin-bottom:var(--space-4)}.collapsible-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);background:var(--color-bg-tertiary);border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .2s ease}.collapsible-header:hover{background:var(--color-bg-secondary)}.collapsible-header.active{border-bottom-left-radius:0;border-bottom-right-radius:0}.collapsible-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);display:flex;align-items:center;gap:var(--space-2)}.collapsible-icon{transition:transform .2s ease}.collapsible-icon.expanded{transform:rotate(180deg)}.collapsible-content{max-height:0;overflow:hidden;transition:max-height .3s ease;background:var(--color-bg-tertiary);border-radius:var(--radius-md);border-top-left-radius:0;border-top-right-radius:0}.collapsible-content.expanded{max-height:1000px;padding:var(--space-4)}.progress-bar-container{width:100%;height:8px;background:var(--color-bg-tertiary);border-radius:var(--radius-full);overflow:hidden;margin:var(--space-2) 0}.progress-bar{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-hover));transition:width .3s ease;border-radius:var(--radius-full)}.progress-bar-success{background:linear-gradient(90deg,var(--color-success),var(--color-success-light))}.stat-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-2) 0;border-bottom:1px solid var(--color-bg-tertiary)}.stat-item:last-child{border-bottom:none}.stat-label{color:var(--color-text-secondary);font-size:var(--font-size-sm)}.stat-value{color:var(--color-text-primary);font-weight:var(--font-weight-semibold)}.stat-large{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-3);background:var(--color-bg-tertiary);border-radius:var(--radius-md)}.stat-large .stat-label{font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:.05em}.stat-large .stat-value{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold)}.grid{display:grid;gap:var(--space-4)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}.sidebar{position:fixed;top:88px;left:0;width:280px;max-height:calc(100vh - 88px);background:var(--color-bg-secondary);border-right:1px solid var(--color-bg-tertiary);overflow-y:auto;overflow-x:hidden;padding:var(--space-3);z-index:var(--z-fixed);box-shadow:2px 0 16px #0000004d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.sidebar-toggle{position:fixed;top:100px;left:280px;z-index:calc(var(--z-fixed) + 1);padding:var(--space-2);background:var(--color-bg-tertiary);border:1px solid var(--color-bg-secondary);border-radius:var(--radius-md) 0 0 var(--radius-md)}.header{position:fixed;top:0;left:0;right:0;height:64px;background:var(--color-bg-secondary);border-bottom:1px solid var(--color-bg-tertiary);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-4);z-index:var(--z-fixed)}.header-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);display:flex;align-items:center;gap:var(--space-3)}.header-actions{display:flex;gap:var(--space-2);align-items:center}.info-bar{position:fixed;top:64px;left:0;right:0;height:32px;background:var(--color-bg-tertiary);border-bottom:1px solid var(--color-bg-secondary);display:flex;align-items:center;padding:0 var(--space-4);font-size:var(--font-size-sm);z-index:var(--z-fixed)}.info-bar-item{margin-right:var(--space-6);color:var(--color-text-secondary)}.info-bar-item strong{color:var(--color-text-primary)}.modal-backdrop{position:fixed;inset:0;background:var(--color-bg-overlay);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal-backdrop);animation:fadeIn .2s ease}.modal{background:var(--color-bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:var(--space-6);max-width:600px;max-height:80vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.scrollbar-thin{scrollbar-width:thin;scrollbar-color:var(--color-bg-tertiary) transparent;scrollbar-gutter:stable}.scrollbar-thin::-webkit-scrollbar{width:6px}.scrollbar-thin::-webkit-scrollbar-track{background:transparent}.scrollbar-thin::-webkit-scrollbar-thumb{background:var(--color-bg-tertiary);border-radius:var(--radius-full)}.scrollbar-thin::-webkit-scrollbar-thumb:hover{background:var(--color-neutral)}