body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;transition:background-color .3s ease,color .3s ease;background-color:var(--background-color);color:var(--text-primary)}body.light{--background-color: #f8fafc;--header-background: #0668c9;--card-background: #ffffff;--text-primary: #1e293b;--text-secondary: #0a0a0a;--border-color: #e2e8f0;--primary-color: #3b82f6;--primary-color-hover: #2563eb;--active-nav-bg: #cfe2ff;--active-nav-text: #0d6efd;--fast-mode-toggle-bg: #e2e8f0;--fast-mode-toggle-handle: #ffffff;--welcome-card-border: #f1f5f9}body.dark{--background-color: #1a202c;--header-background: #2d3748;--card-background: #2d3748;--text-primary: #e2e8f0;--text-secondary: #a0aec0;--border-color: #4a5568;--primary-color: #3b82f6;--primary-color-hover: #60a5fa;--active-nav-bg: #3730a3;--active-nav-text: #e0e7ff;--fast-mode-toggle-bg: #4a5568;--fast-mode-toggle-handle: #e2e8f0;--welcome-card-border: #4a5568}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f0f4f8;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.login-card{background-color:#fff;padding:1.5rem 2.5rem;border-radius:12px;box-shadow:0 10px 30px #0000001a;width:100%;max-width:400px;text-align:center}.login-card h1{font-size:2rem;font-weight:600;margin-bottom:2rem;color:#1e293b}.form-group{margin-bottom:1.5rem;text-align:left}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:#475569}.form-group input{width:100%;padding:12px 15px;border:1px solid #cbd5e1;border-radius:8px;font-size:1rem;box-sizing:border-box;transition:border-color .2s,box-shadow .2s}.form-group input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f666}.signin-btn{width:100%;padding:12px;background-color:#3b82f6;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;transition:background-color .2s}.signin-btn:hover{background-color:#2563eb}.or-divider{display:flex;align-items:center;text-align:center;color:#94a3b8;margin:1.5rem 0}.or-divider .line{flex-grow:1;height:1px;background-color:#e2e8f0}.or-divider .or-text{padding:0 1rem;font-size:.9rem}.social-logins{display:flex;gap:1rem}.social-btn{flex:1;padding:10px;border:1px solid #cbd5e1;border-radius:8px;background-color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:.95rem;transition:background-color .2s,border-color .2s}.social-btn:hover{background-color:#f8fafc;border-color:#94a3b8}.signup-link{margin-top:2rem;font-size:.9rem;color:#475569}.signup-link a{color:#3b82f6;text-decoration:none;font-weight:600}.signup-link a:hover{text-decoration:underline}.theme-toggle-button{background:none;border:none;cursor:pointer;padding:5px;border-radius:50%;display:flex;justify-content:center;align-items:center;color:var(--text-secondary);transition:all .2s ease}.theme-toggle-button:hover{background-color:var(--border-color);color:var(--text-primary)}.dashboard-header-main{display:flex;justify-content:space-between;align-items:center;padding:.5rem 2rem;background-color:var(--header-background);box-shadow:0 2px 4px #0000000d;position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-color)}.header-left{display:flex;align-items:center;flex:1}.logo-container{display:flex;align-items:center}.logo-container img{height:40px;display:block;margin:0}.header-center{display:flex;justify-content:center;gap:1.5rem;flex:2}.nav-link{text-decoration:none;color:var(--text-secondary);font-weight:600;padding:8px 15px;border-radius:6px;transition:all .2s ease-in-out;white-space:nowrap}.nav-link:hover{background-color:var(--border-color);color:var(--text-primary)}.nav-link.active{background-color:var(--active-nav-bg);color:var(--active-nav-text)}.header-right{display:flex;justify-content:flex-end;align-items:center;gap:1rem;flex:1}.fast-mode-wrapper{display:flex;align-items:center;gap:.5rem}.fast-mode-text{color:var(--text-secondary);font-size:.9rem;font-weight:500;white-space:nowrap}.switch{position:relative;display:inline-block;width:40px;height:20px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:var(--fast-mode-toggle-bg);-webkit-transition:.4s;transition:.4s;border-radius:20px}.slider:before{position:absolute;content:"";height:16px;width:16px;left:2px;bottom:2px;background-color:var(--fast-mode-toggle-handle);-webkit-transition:.4s;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--primary-color)}input:focus+.slider{box-shadow:0 0 1px var(--primary-color)}input:checked+.slider:before{-webkit-transform:translateX(20px);-ms-transform:translateX(20px);transform:translate(20px)}.slider.round{border-radius:20px}.slider.round:before{border-radius:50%}.profile-info{display:flex;align-items:center;gap:.75rem;white-space:nowrap}.welcome-text{color:var(--text-secondary);font-size:.95rem}.logout-button{background-color:#dc3545;color:#fff;border:none;padding:8px 15px;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background-color .2s ease}.logout-button:hover{background-color:#c82333}.unified-layout{display:flex;gap:2rem;padding:2.5rem;height:calc(100vh - 60px - 5rem);box-sizing:border-box}.input-sidebar{flex:0 0 380px;background-color:var(--card-background);padding:2rem;border-radius:12px;border:1px solid var(--border-color);box-shadow:0 4px 12px #0000000d;height:fit-content}.main-content{flex:1;background-color:var(--card-background);padding:2rem;border-radius:12px;border:1px solid var(--border-color);box-shadow:0 4px 12px #0000000d;overflow-y:auto;display:flex;flex-direction:column}.welcome-content{color:var(--text-primary)}.welcome-title{font-size:1.75rem;font-weight:600;color:var(--text-primary);margin-top:0;margin-bottom:1rem}.welcome-title .highlight{color:var(--primary-color)}.welcome-description{font-size:1.1rem;color:var(--text-secondary);margin-bottom:2rem}.section-title{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin-top:2rem;margin-bottom:1rem}.welcome-content ul{list-style-type:none;padding:0;margin-bottom:1.5rem}.welcome-content ul li{color:var(--text-primary);margin-bottom:.75rem;font-size:1rem}.results-wrapper{color:var(--text-primary);width:100%;height:100%;display:flex;flex-direction:column}.results-wrapper h2{color:var(--text-primary);border-bottom:2px solid var(--border-color);padding-bottom:1rem;margin-top:0}.status-text{color:var(--text-secondary);font-size:1.1rem;text-align:center;margin-top:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;font-weight:500;color:var(--text-secondary);margin-bottom:.5rem}.form-group input[type=file],.form-group input[type=text]{width:100%;padding:12px 15px;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;box-sizing:border-box;background-color:var(--background-color);color:var(--text-primary)}.submit-btn{width:100%;padding:12px;background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;transition:background-color .2s}.submit-btn:hover{background-color:var(--primary-color-hover)}.submit-btn:disabled{background-color:var(--border-color);color:var(--text-secondary);cursor:not-allowed}.download-container{text-align:center;padding:2rem}.download-container p{font-size:1.2rem;color:var(--text-primary);margin-bottom:1.5rem}.download-btn{background-color:#1d6f42;color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s ease}.download-btn:hover{background-color:#155734}.dashboard-chat-wrapper{display:flex;flex-direction:column;height:100%;background-color:var(--background-color);border-left:1px solid var(--border-color)}.chat-header{padding:1rem;border-bottom:1px solid var(--border-color);background-color:var(--card-background)}.chat-header h3{margin:0;color:var(--text-primary);font-size:1.1rem}.chat-history{flex-grow:1;overflow-y:auto;padding:1rem}.chat-message{margin-bottom:1rem;padding:.75rem 1rem;border-radius:12px;max-width:85%}.chat-message.user{background-color:var(--primary-color);color:#fff;margin-left:auto;border-bottom-right-radius:2px}.chat-message.assistant{background-color:var(--card-background);color:var(--text-primary);margin-right:auto;border-bottom-left-radius:2px}.chat-message p{margin:0}.chat-input-form{display:flex;padding:1rem;border-top:1px solid var(--border-color);background-color:var(--card-background)}.chat-input-form input{flex-grow:1;border:1px solid var(--border-color);background-color:var(--background-color);color:var(--text-primary);padding:.75rem;border-radius:8px;margin-right:.5rem}.chat-input-form button{border:none;background-color:var(--primary-color);color:#fff;padding:.75rem 1.5rem;border-radius:8px;cursor:pointer}.powerbi-page-layout{display:flex;height:calc(100vh - 61px)}.powerbi-iframe-container{flex:2;overflow:hidden}.powerbi-iframe-container iframe{width:100%;height:100%;border:none}.powerbi-chat-container{flex:1}