.navbar{position:sticky;top:0;z-index:var(--z-sticky);background:#030712cc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--card-border)}.navbar-container{max-width:1200px;margin:0 auto;padding:var(--spacing-md) var(--spacing-lg);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg)}.navbar-brand{display:flex;align-items:center;gap:var(--spacing-md);text-decoration:none;color:var(--text-main);font-weight:600}.navbar-logo{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent-primary),var(--accent-primary-hover));border-radius:var(--radius-md);font-weight:700;font-size:1.125rem;color:var(--bg)}.navbar-title{font-size:1.125rem}.navbar-menu{display:flex;align-items:center;gap:var(--spacing-lg)}.navbar-link{color:var(--text-muted);text-decoration:none;font-weight:500;transition:color var(--transition-fast);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md)}.navbar-link:hover{color:var(--text-main)}.navbar-link.active{color:var(--accent-primary)}.navbar-user{display:flex;align-items:center;gap:var(--spacing-md);padding-left:var(--spacing-lg);border-left:1px solid var(--card-border)}.navbar-user-email{font-size:.875rem;color:var(--text-muted)}.navbar-logout{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:var(--spacing-xs);border-radius:var(--radius-sm);transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.navbar-logout:hover{color:var(--danger);background:#f871711a}.navbar-mobile-toggle{display:none;background:none;border:none;color:var(--text-main);cursor:pointer;padding:var(--spacing-sm)}@media (max-width: 768px){.navbar-mobile-toggle{display:block}.navbar-menu{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;background:#030712f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--card-border);padding:var(--spacing-md);gap:var(--spacing-sm);transform:translateY(-100%);opacity:0;pointer-events:none;transition:all var(--transition-base)}.navbar-menu-open{transform:translateY(0);opacity:1;pointer-events:all}.navbar-link{padding:var(--spacing-md);border-radius:var(--radius-md)}.navbar-user{border-left:none;border-top:1px solid var(--card-border);padding-left:0;padding-top:var(--spacing-md);margin-top:var(--spacing-sm)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);font-family:var(--font-main);font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem}.btn-md{padding:var(--spacing-md) var(--spacing-lg);font-size:1rem}.btn-lg{padding:var(--spacing-lg) var(--spacing-xl);font-size:1.125rem}.btn-primary{background:linear-gradient(135deg,#fff,#f0f0f0);color:var(--bg);box-shadow:var(--shadow-md)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-glass{background:var(--card-bg);color:var(--text-main);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-glass:hover:not(:disabled){background:#141b29cc;border-color:#ffffff1f}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#ef4444}.btn-loading{position:relative}.btn-text-loading{opacity:.7}.input-wrapper{display:flex;flex-direction:column;gap:var(--spacing-xs);width:100%}.input-label{font-size:.875rem;font-weight:500;color:var(--text-main)}.input{width:100%;padding:var(--spacing-md);font-family:var(--font-main);font-size:1rem;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);color:var(--text-main);transition:all var(--transition-base);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.input::placeholder{color:var(--text-muted)}.input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #38bdf81a}.input:disabled{opacity:.5;cursor:not-allowed}.input-error{border-color:var(--danger)}.input-error:focus{border-color:var(--danger);box-shadow:0 0 0 3px #f871711a}.input-error-text{font-size:.875rem;color:var(--danger)}.card{border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base)}.card-default{background:var(--card-bg);border:1px solid var(--card-border)}.card-glass{background:var(--card-bg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card:hover{border-color:#ffffff1f}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);background:var(--bg)}.auth-card{width:100%;max-width:420px}.auth-header{text-align:center;margin-bottom:var(--spacing-xl)}.auth-header h1{margin-bottom:var(--spacing-sm);font-size:2rem}.auth-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.auth-error{padding:var(--spacing-md);background:#f871711a;border:1px solid var(--danger);border-radius:var(--radius-md);color:var(--danger);font-size:.875rem}.auth-submit{width:100%;margin-top:var(--spacing-md)}.auth-footer{margin-top:var(--spacing-xl);text-align:center;padding-top:var(--spacing-lg);border-top:1px solid var(--card-border)}.auth-footer a{color:var(--accent-primary);font-weight:500}.auth-footer a:hover{text-decoration:underline}.usage-stats{width:100%}.usage-stats-title{margin-bottom:var(--spacing-lg);font-size:1.5rem}.usage-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg)}.usage-stat-item{display:flex;flex-direction:column;gap:var(--spacing-sm)}.usage-stat-header{display:flex;justify-content:space-between;align-items:center}.usage-stat-label{font-size:.875rem;color:var(--text-muted);font-weight:500}.usage-stat-value{font-size:1.125rem;font-weight:600;color:var(--text-main)}.usage-stat-progress{width:100%;height:8px;background:var(--bg-soft);border-radius:var(--radius-full);overflow:hidden;margin-top:var(--spacing-xs)}.usage-stat-progress-bar{height:100%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-primary-hover));border-radius:var(--radius-full);transition:width var(--transition-base)}.usage-stat-reset{font-size:.75rem;color:var(--text-muted);margin-top:var(--spacing-xs)}.usage-stat-warning{font-size:.75rem;color:var(--warning);margin-top:var(--spacing-xs);font-weight:500}@media (max-width: 768px){.usage-stats-grid{grid-template-columns:1fr}}.quick-actions{width:100%}.quick-actions-title{margin-bottom:var(--spacing-lg);font-size:1.5rem}.quick-actions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--spacing-md)}.quick-action-link{text-decoration:none;display:block}.quick-action-button{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}@media (max-width: 768px){.quick-actions-grid{grid-template-columns:1fr}}.dashboard-page{width:100%;max-width:1200px;margin:0 auto;padding:var(--spacing-xl) var(--spacing-lg)}.dashboard-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-xl);flex-wrap:wrap;gap:var(--spacing-md)}.dashboard-title{font-size:2rem;font-weight:600;margin-bottom:var(--spacing-xs)}.dashboard-subtitle{color:var(--text-muted);font-size:1rem}.dashboard-badge{padding:var(--spacing-sm) var(--spacing-md);background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-full);font-size:.875rem;color:var(--text-muted);white-space:nowrap}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.dashboard-section{margin-top:var(--spacing-xl)}.dashboard-section-title{font-size:1.5rem;margin-bottom:var(--spacing-lg)}.dashboard-documents{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--spacing-md)}.dashboard-document-card{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);cursor:pointer;transition:all var(--transition-base)}.dashboard-document-card:hover{border-color:#ffffff26;transform:translateY(-2px)}.dashboard-document-icon{font-size:2rem;flex-shrink:0}.dashboard-document-info{flex:1;min-width:0}.dashboard-document-name{font-size:.875rem;font-weight:500;color:var(--text-main);margin-bottom:var(--spacing-xs);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dashboard-document-date{font-size:.75rem;color:var(--text-muted)}.dashboard-loading{display:flex;justify-content:center;align-items:center;padding:var(--spacing-2xl)}@media (max-width: 768px){.dashboard-header{flex-direction:column}.dashboard-grid,.dashboard-documents{grid-template-columns:1fr}}.document-upload{width:100%}.document-upload-title{margin-bottom:var(--spacing-lg);font-size:1.5rem}.document-upload-dropzone{border:2px dashed var(--card-border);border-radius:var(--radius-lg);padding:var(--spacing-2xl);text-align:center;cursor:pointer;transition:all var(--transition-base);background:#141b294d}.document-upload-dropzone:hover{border-color:var(--accent-primary);background:#141b2980}.document-upload-dropzone.dragging{border-color:var(--accent-primary);background:#38bdf81a}.document-upload-icon{color:var(--accent-primary);margin-bottom:var(--spacing-md)}.document-upload-text{font-size:1rem;color:var(--text-main);margin-bottom:var(--spacing-sm);font-weight:500}.document-upload-hint{font-size:.875rem;color:var(--text-muted)}.document-upload-input{display:none}.document-upload-selected{display:flex;flex-direction:column;gap:var(--spacing-md)}.document-upload-file{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-soft);border-radius:var(--radius-md);border:1px solid var(--card-border)}.document-upload-file-info{flex:1;min-width:0}.document-upload-file-name{font-size:.875rem;font-weight:500;color:var(--text-main);margin-bottom:var(--spacing-xs);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.document-upload-file-size{font-size:.75rem;color:var(--text-muted)}.document-upload-clear{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:var(--spacing-xs);border-radius:var(--radius-sm);transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.document-upload-clear:hover:not(:disabled){color:var(--danger);background:#f871711a}.document-upload-clear:disabled{opacity:.5;cursor:not-allowed}.document-upload-submit{width:100%}.document-upload-error{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#f871711a;border:1px solid var(--danger);border-radius:var(--radius-md);color:var(--danger);font-size:.875rem;margin-top:var(--spacing-md)}.document-card{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md);transition:all var(--transition-base)}.document-card:hover{border-color:#ffffff26;transform:translateY(-2px)}.document-card-header{display:flex;align-items:flex-start;gap:var(--spacing-md);flex:1;min-width:0}.document-card-icon{font-size:2rem;flex-shrink:0}.document-card-info{flex:1;min-width:0}.document-card-name{font-size:1rem;font-weight:600;color:var(--text-main);margin-bottom:var(--spacing-xs);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.document-card-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-md);font-size:.875rem;color:var(--text-muted)}.document-card-meta-item{display:flex;align-items:center;gap:var(--spacing-xs)}.document-card-delete{flex-shrink:0}@media (max-width: 768px){.document-card{flex-direction:column;align-items:stretch}.document-card-delete{width:100%;justify-content:center}}.document-list{width:100%}.document-list-header{margin-bottom:var(--spacing-lg)}.document-list-title{font-size:1.5rem;font-weight:600;color:var(--text-main)}.document-list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--spacing-md)}.document-list-empty{text-align:center;padding:var(--spacing-2xl)}.document-list-empty-icon{color:var(--text-muted);margin-bottom:var(--spacing-md);opacity:.5}.document-list-empty-text{font-size:1.125rem;font-weight:500;color:var(--text-main);margin-bottom:var(--spacing-sm)}.document-list-empty-hint{font-size:.875rem;color:var(--text-muted)}@media (max-width: 768px){.document-list-grid{grid-template-columns:1fr}}.documents-page{width:100%;max-width:1200px;margin:0 auto;padding:var(--spacing-xl) var(--spacing-lg)}.documents-page-header{margin-bottom:var(--spacing-xl)}.documents-page-title{font-size:2rem;font-weight:600;margin-bottom:var(--spacing-sm)}.documents-page-subtitle{color:var(--text-muted);font-size:1rem}.documents-page-content{display:flex;flex-direction:column;gap:var(--spacing-xl)}.documents-page-upload,.documents-page-list{width:100%}.documents-page-error{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#f871711a;border-color:var(--danger);color:var(--danger)}.documents-page-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-md);padding:var(--spacing-2xl);text-align:center;color:var(--text-muted)}.message-bubble{display:flex;flex-direction:column;margin-bottom:var(--spacing-lg);animation:messageSlideIn .3s ease-out}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-user{align-items:flex-end}.message-ai{align-items:flex-start}.message-content{max-width:75%;width:100%}.message-user-text{background:linear-gradient(135deg,var(--accent-primary),var(--accent-primary-hover));color:var(--bg);padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-lg);font-size:.9375rem;line-height:1.6;word-wrap:break-word}.message-ai-card{padding:var(--spacing-md) var(--spacing-lg)}.message-ai-text{color:var(--text-main);font-size:.9375rem;line-height:1.6;word-wrap:break-word;white-space:pre-wrap}.message-memories{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm);margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--card-border)}.message-memories-label{font-size:.75rem;color:var(--text-muted)}.message-flag-button{display:flex;align-items:center;gap:var(--spacing-xs);background:none;border:1px solid var(--danger);color:var(--danger);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.75rem;cursor:pointer;transition:all var(--transition-fast)}.message-flag-button:hover{background:#f871711a}.message-timestamp{font-size:.75rem;color:var(--text-muted);margin-top:var(--spacing-xs);padding:0 var(--spacing-xs)}@media (max-width: 768px){.message-content{max-width:85%}}.message-list{flex:1;overflow-y:auto;padding:var(--spacing-lg);display:flex;flex-direction:column}.message-list-empty{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--spacing-2xl)}.message-list-empty-text{color:var(--text-muted);font-size:1rem;text-align:center;max-width:400px}.chat-input{padding:var(--spacing-lg);border-top:1px solid var(--card-border);background:var(--bg-soft)}.chat-input-container{display:flex;gap:var(--spacing-md);align-items:flex-end}.chat-input-field{flex:1;min-height:44px;max-height:200px;padding:var(--spacing-md);font-family:var(--font-main);font-size:.9375rem;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);color:var(--text-main);resize:none;overflow-y:auto;transition:all var(--transition-base);line-height:1.5}.chat-input-field::placeholder{color:var(--text-muted)}.chat-input-field:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #38bdf81a}.chat-input-field:disabled{opacity:.5;cursor:not-allowed}.chat-input-send{flex-shrink:0;min-width:44px;height:44px;padding:0;display:flex;align-items:center;justify-content:center}.chat-input-hint{margin-top:var(--spacing-sm);font-size:.75rem;color:var(--text-muted);text-align:center}.chat-input-hint kbd{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:2px 6px;font-size:.7rem;font-family:var(--font-mono);color:var(--text-muted)}@media (max-width: 768px){.chat-input{padding:var(--spacing-md)}.chat-input-hint{display:none}}.typing-indicator{display:flex;align-items:flex-start;margin-bottom:var(--spacing-lg);animation:typingSlideIn .3s ease-out}@keyframes typingSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.typing-indicator-card{padding:var(--spacing-md) var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-md)}.typing-indicator-dots{display:flex;gap:4px}.typing-indicator-dots span{width:8px;height:8px;border-radius:50%;background:var(--accent-primary);animation:typingDot 1.4s infinite ease-in-out}.typing-indicator-dots span:nth-child(1){animation-delay:-.32s}.typing-indicator-dots span:nth-child(2){animation-delay:-.16s}@keyframes typingDot{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}.typing-indicator-text{font-size:.875rem;color:var(--text-muted)}.chat-window{display:flex;flex-direction:column;height:100%;max-height:calc(100vh - 80px);background:var(--bg)}.chat-window-header{display:flex;justify-content:space-between;align-items:flex-start;padding:var(--spacing-lg);border-bottom:1px solid var(--card-border);flex-wrap:wrap;gap:var(--spacing-md)}.chat-window-title{font-size:1.5rem;font-weight:600;margin-bottom:var(--spacing-xs)}.chat-window-subtitle{font-size:.875rem;color:var(--text-muted)}.chat-window-usage{padding:var(--spacing-sm) var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm);white-space:nowrap}.chat-window-usage-label{font-size:.875rem;color:var(--text-muted)}.chat-window-usage-value{font-size:.875rem;font-weight:600;color:var(--text-main)}.chat-window-messages{flex:1;overflow-y:auto;min-height:0;background:var(--bg-soft)}.chat-window-limit{padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--card-border);background:#f871711a}.chat-window-limit-card{padding:var(--spacing-md);border-color:var(--danger);color:var(--danger);text-align:center;font-size:.875rem}@media (max-width: 768px){.chat-window-header{padding:var(--spacing-md)}.chat-window-title{font-size:1.25rem}}.chat-page{width:100%;max-width:1200px;margin:0 auto;height:calc(100vh - 80px);display:flex;flex-direction:column;padding:var(--spacing-lg)}.chat-page-header{display:flex;justify-content:flex-end;margin-bottom:var(--spacing-md)}.chat-page-clear{display:flex;align-items:center;gap:var(--spacing-sm)}@media (max-width: 768px){.chat-page{padding:var(--spacing-md);height:calc(100vh - 60px)}}.app{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;padding:var(--spacing-xl) 0}:root{--bg: #030712;--bg-soft: #0b101b;--card-bg: rgba(20, 27, 41, .6);--card-border: rgba(255, 255, 255, .08);--text-main: #f8fafc;--text-muted: #94a3b8;--accent-primary: #38bdf8;--accent-primary-hover: #0ea5e9;--success: #34d399;--danger: #f87171;--warning: #fbbf24;--font-main: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Courier New", monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--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);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-glow: 0 0 20px rgba(56, 189, 248, .3);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-tooltip: 1060}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-main);background-color:var(--bg);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--text-main)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);color:var(--text-muted)}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-primary-hover)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-soft)}::-webkit-scrollbar-thumb{background:#fff3;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}::selection{background-color:var(--accent-primary);color:var(--bg)}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.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}@keyframes spin{to{transform:rotate(360deg)}}.spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.2);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .6s linear infinite}