@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--font-family: "Inter", system-ui, -apple-system, sans-serif;--color-bg-dark: #f1f5f9;--color-bg-card: #ffffff;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-secondary: #64748b;--color-text-main: #0f172a;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-input-bg: #f8fafc;--shadow-card: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-input: 0 1px 2px 0 rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-bg-dark);color:var(--color-text-main);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}#root{width:100%;min-height:100vh;display:flex;flex-direction:column}.auth-card{background:var(--color-bg-card);border:1px solid var(--color-border);box-shadow:var(--shadow-card);padding:2.5rem;border-radius:20px;width:100%}.auth-title{font-size:1.875rem;font-weight:800;margin-bottom:.5rem;text-align:center;color:var(--color-text-main);letter-spacing:-.025em}.auth-subtitle{color:var(--color-text-muted);text-align:center;margin-bottom:2rem;font-size:1rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:600;color:var(--color-text-main)}.form-input{width:100%;padding:.75rem 1rem;background-color:var(--color-input-bg);border:1px solid var(--color-border);border-radius:10px;color:var(--color-text-main);font-size:1rem;transition:all .2s ease;box-shadow:var(--shadow-input)}.form-input:focus{outline:none;border-color:var(--color-primary);background-color:#fff;box-shadow:0 0 0 4px #3b82f61a}.password-wrapper{position:relative;display:flex;align-items:center}.password-wrapper .form-input{padding-right:2.5rem}.password-toggle{position:absolute;right:.75rem;background:none;border:none;cursor:pointer;color:var(--color-text-muted);padding:0;display:flex;align-items:center;justify-content:center;transition:color .2s}.password-toggle:hover{color:var(--color-primary)}.auth-link{color:var(--color-primary);text-decoration:none;font-weight:500;font-size:.875rem;transition:color .15s}.auth-link:hover{text-decoration:underline;color:var(--color-primary-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 2rem;font-weight:600;border-radius:10px;transition:all .2s ease;font-size:1rem;cursor:pointer;border:1px solid transparent;line-height:1.25}.btn-primary{background-color:var(--color-primary);color:#fff!important;box-shadow:0 4px 6px -1px #3b82f666}.btn-primary:hover{background-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 6px 8px -2px #3b82f680}.btn-primary:active{transform:translateY(0)}.button-container{display:flex;justify-content:center;margin-top:1rem}.auth-footer{margin-top:2rem;text-align:center;font-size:.875rem;color:var(--color-text-muted)}.app-container{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;position:relative;overflow:hidden;min-height:100vh;width:100%}.background-gradient{position:absolute;top:-20%;left:50%;transform:translate(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(59,130,246,.15) 0%,transparent 70%);z-index:0;pointer-events:none}.dashboard-container{display:flex;flex-direction:column;height:100vh;background-color:var(--color-bg-dark);color:var(--color-text-main);overflow:hidden;font-family:var(--font-family)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:var(--color-bg-card);border-bottom:1px solid var(--color-border);box-shadow:0 2px 4px #00000005;z-index:10}.header-title-group h1{font-size:1.25rem;font-weight:700;color:var(--color-text-main);display:flex;align-items:center;gap:.5rem}.header-subtitle{font-size:.875rem;color:var(--color-text-muted);margin-top:.25rem}.header-controls{display:flex;align-items:center;gap:1rem}.status-badge{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#f1f5f9;border-radius:8px;font-size:.875rem;font-weight:600;color:var(--color-text-main)}.status-dot{width:8px;height:8px;background-color:#10b981;border-radius:50%;animation:pulse 2s infinite}.record-btn{width:40px;height:40px;border-radius:8px;border:1px solid #fee2e2;background:#fef2f2;color:#ef4444;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.record-btn:hover{background:#fee2e2}.header-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;height:40px;border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s;border:1px solid var(--color-border);background:#fff;color:var(--color-text-main)}.header-btn:hover{background:#f8fafc;border-color:#cbd5e1}.profile-btn svg{color:var(--color-primary)}.logout-btn{color:#ef4444;border-color:#fee2e2;background:#fef2f2}.logout-btn:hover{background:#fee2e2;border-color:#fecaca}.dashboard-grid{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:auto auto 1fr;gap:1.5rem;padding:1.5rem;flex:1;overflow-y:auto}.widget-card{background:var(--color-bg-card);border-radius:16px;padding:1.5rem;border:1px solid var(--color-border);box-shadow:var(--shadow-card);display:flex;flex-direction:column;position:relative}.widget-title{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);font-weight:700;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.video-feed{grid-column:1 / 2;grid-row:1 / 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0}.quadrant-label{position:absolute;font-size:.65rem;font-weight:700;text-transform:uppercase}.q-top-left{top:.5rem;left:.5rem;color:#f87171}.q-top-right{top:.5rem;right:.5rem;color:#34d399}.q-bottom-left{bottom:.5rem;left:.5rem;color:#60a5fa}.q-bottom-right{bottom:.5rem;right:.5rem;color:#34d399}.va-axis-label{position:absolute;font-size:.65rem;color:var(--color-text-muted);font-weight:600}.label-arousal{top:-1.2rem;left:50%;transform:translate(-50%)}.label-valence{top:50%;right:-1.2rem;transform:translateY(-50%) rotate(90deg)}.va-metrics-row{display:flex;border-top:1px solid var(--color-border);margin-top:auto;padding-top:1rem}.metric-box{flex:1}.metric-box h4{font-size:.7rem;color:var(--color-text-muted);text-transform:uppercase;margin-bottom:.25rem}.metric-value{font-size:1.5rem;font-weight:700;color:var(--color-text-main)}.metric-value.positive{color:#10b981}.engagement-widget{grid-column:3 / 4;grid-row:1 / 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i{width:12px;height:12px;border-radius:3px}@media(max-width:1200px){.dashboard-grid{grid-template-columns:1fr;grid-template-rows:auto}.video-feed,.valence-arousal-widget,.emotional-profile-widget,.action-units-widget,.timeline-widget{grid-column:span 1}}@media(max-width:768px){.dashboard-grid{grid-template-columns:1fr}.video-feed,.valence-arousal-widget,.engagement-widget,.peak-emotion-widget,.emotional-profile-widget,.action-units-widget,.timeline-widget{grid-column:span 1}}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #10b981b3}70%{transform:scale(1);box-shadow:0 0 0 6px #10b98100}to{transform:scale(.95);box-shadow:0 0 #10b98100}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0f172a66;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.modal-content{background:#fff;border-radius:20px;width:100%;max-width:450px;box-shadow:0 25px 50px -12px 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#3b82f64d}.profile-info{display:flex;flex-direction:column;gap:1.25rem}.info-item{display:flex;flex-direction:column;gap:.25rem}.info-item label{font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--color-text-muted);letter-spacing:.05em}.info-item span{font-size:1rem;color:var(--color-text-main);font-weight:500}.btn-secondary{background:#fff;border:1px solid var(--color-border);color:var(--color-text-main);padding:.625rem 1.25rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:#f1f5f9}.btn-danger{background:#ef4444;color:#fff;border:none;padding:.625rem 1.25rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.btn-danger:hover{background:#dc2626;transform:translateY(-1px);box-shadow:0 4px 6px -1px #dc262666}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes 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