:root{--color-bg-primary: #0f0f1a;--color-bg-secondary: #1a1a2e;--color-bg-card: #16213e;--color-gold: #d4a574;--color-gold-light: #e8c9a0;--color-accent: #8b5cf6;--color-accent-light: #a78bfa;--color-text-primary: #f0f0f0;--color-text-secondary: #a0a0a0;--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .3)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh}.app-container{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--color-bg-secondary);border-right:1px solid rgba(212,165,116,.1);padding:var(--spacing-lg);display:flex;flex-direction:column}.sidebar-header{display:flex;align-items:center;gap:var(--spacing-md);padding-bottom:var(--spacing-lg);border-bottom:1px solid rgba(212,165,116,.1);margin-bottom:var(--spacing-lg)}.sidebar-logo{font-size:1.5rem}.sidebar-title{font-size:1.25rem;font-weight:600;background:linear-gradient(135deg,var(--color-gold-light),var(--color-gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-subtitle{font-size:.75rem;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.1em}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:var(--spacing-xs)}.nav-link{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--radius-lg);color:var(--color-text-secondary);text-decoration:none;transition:all .2s ease}.nav-link:hover{background:#8b5cf61a;color:var(--color-text-primary)}.nav-link.active{background:linear-gradient(135deg,#d4a57426,#8b5cf626);color:var(--color-gold);border:1px solid rgba(212,165,116,.2)}.nav-icon{font-size:1.25rem}.nav-label{font-weight:500}.sidebar-footer{padding-top:var(--spacing-lg);border-top:1px solid rgba(212,165,116,.1)}.user-info{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-bg-card);border-radius:var(--radius-lg)}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),var(--color-gold));display:flex;align-items:center;justify-content:center;font-weight:600}.user-avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}.user-details{flex:1;min-width:0}.user-name{font-weight:500;font-size:.875rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:.75rem;color:var(--color-gold)}.logout-btn{background:none;border:none;color:var(--color-text-secondary);cursor:pointer;padding:var(--spacing-sm);border-radius:var(--radius-md);transition:all .2s ease}.logout-btn:hover{background:#ef44441a;color:var(--color-error)}.main-content{flex:1;padding:var(--spacing-xl);overflow-y:auto}.page-header{margin-bottom:var(--spacing-xl)}.page-title{font-size:1.75rem;font-weight:300;letter-spacing:.02em;background:linear-gradient(135deg,var(--color-gold-light),var(--color-gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-xs)}.page-subtitle{color:var(--color-text-secondary);font-size:.875rem}.card{background:var(--color-bg-card);border:1px solid rgba(212,165,116,.1);border-radius:var(--radius-lg);padding:var(--spacing-lg)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.card-title{font-size:1.125rem;font-weight:500;display:flex;align-items:center;gap:var(--spacing-sm)}.btn{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md);font-weight:500;font-size:.875rem;cursor:pointer;transition:all .2s ease;border:none}.btn-primary{background:linear-gradient(135deg,var(--color-gold),var(--color-accent));color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #d4a5744d}.btn-secondary{background:var(--color-bg-secondary);color:var(--color-text-primary);border:1px solid rgba(212,165,116,.2)}.btn-secondary:hover{border-color:var(--color-gold);color:var(--color-gold)}.btn-icon{padding:var(--spacing-sm);background:none;border:none;color:var(--color-text-secondary);cursor:pointer;border-radius:var(--radius-md);transition:all .2s ease}.btn-icon:hover{background:#8b5cf61a;color:var(--color-accent)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.stat-card{background:var(--color-bg-card);border:1px solid rgba(212,165,116,.1);border-radius:var(--radius-lg);padding:var(--spacing-lg);display:flex;align-items:flex-start;gap:var(--spacing-md)}.stat-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.5rem}.stat-icon.gold{background:#d4a57426}.stat-icon.purple{background:#8b5cf626}.stat-icon.green{background:#10b98126}.stat-value{font-size:1.75rem;font-weight:600;color:var(--color-text-primary)}.stat-label{font-size:.875rem;color:var(--color-text-secondary)}.session-group{margin-bottom:var(--spacing-xl)}.group-header{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-bg-secondary);border-radius:var(--radius-lg);margin-bottom:var(--spacing-md);cursor:pointer;transition:all .2s ease}.group-header:hover{background:#8b5cf61a}.group-icon{font-size:1.25rem}.group-name{font-weight:500;flex:1}.group-count{background:#d4a57433;color:var(--color-gold);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-size:.75rem;font-weight:600}.group-toggle{color:var(--color-text-secondary);transition:transform .2s ease}.group-toggle.expanded{transform:rotate(180deg)}.session-list{display:grid;gap:var(--spacing-md);padding-left:var(--spacing-lg)}.session-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-bg-card);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-lg);transition:all .2s ease;cursor:pointer}.session-item:hover{border-color:#d4a5744d;transform:translate(4px)}.session-item.selected{border-color:var(--color-gold);background:#d4a5741a}.session-emoji{font-size:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-secondary);border-radius:var(--radius-md)}.session-info{flex:1;min-width:0}.session-title{font-weight:500;font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-meta{font-size:.8125rem;color:var(--color-text-secondary);display:flex;gap:var(--spacing-md)}.session-stats{display:flex;gap:var(--spacing-sm)}.session-stat{padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-bg-secondary);border-radius:var(--radius-sm);font-size:.75rem;font-weight:500}.session-stat.zscore{color:var(--color-gold)}.session-stat.effect{color:var(--color-accent)}.session-checkbox{width:20px;height:20px;border:2px solid var(--color-text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s ease}.session-checkbox.checked{background:var(--color-gold);border-color:var(--color-gold)}.upload-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-sm)}.form-label{font-weight:500;font-size:.875rem;color:var(--color-text-secondary)}.form-input{padding:var(--spacing-md);background:var(--color-bg-secondary);border:1px solid rgba(212,165,116,.2);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:.9375rem;transition:all .2s ease}.form-input:focus{outline:none;border-color:var(--color-gold);box-shadow:0 0 0 3px #d4a5741a}.form-input::placeholder{color:var(--color-text-secondary)}.image-upload{border:2px dashed rgba(212,165,116,.3);border-radius:var(--radius-lg);padding:var(--spacing-xl);text-align:center;cursor:pointer;transition:all .2s ease}.image-upload:hover{border-color:var(--color-gold);background:#d4a5740d}.image-upload.has-image{padding:0;border-style:solid}.image-upload img{width:100%;max-height:300px;object-fit:cover;border-radius:var(--radius-lg)}.upload-icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.5}.upload-text{color:var(--color-text-secondary);font-size:.875rem}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-bg-primary) 0%,var(--color-bg-secondary) 100%)}.login-card{background:var(--color-bg-card);border:1px solid rgba(212,165,116,.1);border-radius:var(--radius-xl);padding:var(--spacing-2xl);width:100%;max-width:400px;text-align:center}.login-logo{font-size:4rem;margin-bottom:var(--spacing-md)}.login-title{font-size:1.75rem;font-weight:300;background:linear-gradient(135deg,var(--color-gold-light),var(--color-gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-xs)}.login-subtitle{color:var(--color-text-secondary);font-size:.875rem;margin-bottom:var(--spacing-xl)}.login-btn{width:100%;padding:var(--spacing-md) var(--spacing-lg);background:#fff;color:#333;border:none;border-radius:var(--radius-md);font-weight:500;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);transition:all .2s ease}.login-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.login-btn svg{width:20px;height:20px}.login-error{margin-top:var(--spacing-lg);padding:var(--spacing-md);background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-md);color:var(--color-error);font-size:.875rem}.access-denied{margin-top:var(--spacing-lg);padding:var(--spacing-lg);background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-md)}.access-denied-icon{font-size:2rem;margin-bottom:var(--spacing-md)}.access-denied-text{color:var(--color-warning);font-size:.875rem}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl);gap:var(--spacing-md)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-bg-secondary);border-top-color:var(--color-gold);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-secondary)}.empty-icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.5}@media (max-width: 1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.sidebar{position:fixed;left:-260px;top:0;bottom:0;z-index:100;transition:left .3s ease}.sidebar.open{left:0}.main-content{padding:var(--spacing-md)}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}