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#0000;justify-content:space-between;align-items:center;padding:10px 12px;font-size:.85rem;font-weight:500;transition:all .2s;display:flex}.thread-item:hover{color:var(--text-base);background:#ffffff08}.thread-item.active{color:var(--primary-light);background:#8b5cf61a;border-color:#8b5cf633}.thread-title{white-space:nowrap;text-overflow:ellipsis;flex-grow:1;overflow:hidden}.thread-delete-btn{opacity:0;color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:2px}.thread-item:hover .thread-delete-btn{opacity:1}.thread-delete-btn:hover{color:var(--accent)}.chat-workspace{flex-direction:column;flex-grow:1;padding:0;display:flex;overflow:hidden}.chat-messages{flex-direction:column;flex-grow:1;gap:18px;padding:24px;display:flex;overflow-y:auto}.chat-welcome-tutorial{text-align:center;max-width:580px;margin:auto;padding:24px}.tutorial-logo{background:#8b5cf61a;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;margin:0 auto 18px;display:flex}.tutorial-logo i{width:32px;height:32px}.tutorial-title{color:var(--text-base);font-size:1.25rem;font-weight:600}.tutorial-text{color:var(--text-muted);margin-top:8px;font-size:.9rem;line-height:1.5}.tutorial-prompts-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px;display:grid}.prompt-suggestion-btn{border:1px solid var(--border-glass);border-radius:var(--border-radius-md);text-align:left;cursor:pointer;background:#ffffff05;flex-direction:column;gap:4px;padding:12px 14px;transition:all .2s;display:flex}.prompt-suggestion-btn:hover{border-color:var(--border-glass-hover);background:#ffffff0d;transform:translateY(-2px)}.prompt-topic{text-transform:uppercase;color:var(--primary-light);letter-spacing:.05em;font-size:.75rem;font-weight:700}.prompt-summary{color:var(--text-base);font-size:.85rem;font-weight:500}.message-bubble{gap:14px;max-width:85%;display:flex}.message-bubble.user{flex-direction:row-reverse;align-self:flex-end}.message-bubble.bot{align-self:flex-start}.message-avatar{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.message-bubble.user .message-avatar{background:var(--accent);color:#fff}.message-bubble.bot .message-avatar{background:var(--primary);color:#fff}.message-bubble-content{flex-direction:column;gap:6px;display:flex}.message-bubble.user .message-bubble-content{align-items:flex-end}.message-card{border-radius:var(--border-radius-md);border:1px solid var(--border-glass);padding:12px 16px;font-size:.95rem;line-height:1.5;box-shadow:0 4px 12px #00000026}.message-bubble.user .message-card{background:var(--primary);color:#fff;border-color:#ffffff1a;border-top-right-radius:2px}.message-bubble.bot .message-card{background:var(--bg-card-hover);color:var(--text-base);border-top-left-radius:2px}.message-time{color:var(--text-muted);font-size:.7rem}.message-card h1,.message-card h2,.message-card h3{font-family:var(--font-display);color:#fff;margin-top:10px;margin-bottom:6px;font-weight:600}.message-card h1{font-size:1.2rem}.message-card h2{font-size:1.1rem}.message-card h3{font-size:1rem}.message-card p{margin-bottom:8px}.message-card p:last-child{margin-bottom:0}.message-card ul,.message-card ol{margin-bottom:8px;margin-left:20px}.message-card li{margin-bottom:4px}.message-card code{font-family:var(--font-mono);background:#0000004d;border-radius:4px;padding:2px 5px;font-size:.85rem}.message-card pre{border-radius:var(--border-radius-sm);background:#00000073;border:1px solid #ffffff0d;margin:10px 0;padding:12px;position:relative;overflow-x:auto}.message-card pre code{background:0 0;border-radius:0;padding:0;display:block}.code-block-header{border-top-left-radius:var(--border-radius-sm);border-top-right-radius:var(--border-radius-sm);color:var(--text-muted);font-size:.75rem;font-family:var(--font-mono);background:#0009;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:6px 12px;display:flex}.code-copy-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;display:flex}.code-copy-btn:hover{color:#fff}.chat-input-controls{border-top:1px solid var(--border-glass);padding:16px 24px 24px}.typing-indicator-wrapper{align-items:center;gap:10px;margin-bottom:10px;display:flex}.typing-bubble{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:999px;gap:4px;padding:8px 12px;display:flex}.typing-bubble .dot{background:var(--primary-light);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite typingBounce}.typing-bubble .dot:nth-child(2){animation-delay:.2s}.typing-bubble .dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-5px)}}.indicator-text{color:var(--text-muted);font-size:.8rem}.chat-form-row{align-items:flex-end;gap:12px;display:flex}.chat-input{background:var(--bg-input);border:1px solid var(--border-glass);border-radius:var(--border-radius-md);color:var(--text-base);font-family:var(--font-sans);resize:none;outline:none;flex-grow:1;max-height:120px;padding:12px 16px;font-size:.95rem;transition:all .2s}.chat-input:focus{border-color:var(--primary);box-shadow:0 0 10px #8b5cf626}.chat-send-btn{border-radius:var(--border-radius-md);flex-shrink:0;justify-content:center;align-items:center;width:46px;height:46px;padding:0;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-label{color:var(--text-base);font-size:.9rem;font-weight:500}.form-control{background:var(--bg-input);border:1px solid var(--border-glass);border-radius:var(--border-radius-md);color:var(--text-base);font-family:var(--font-sans);outline:none;padding:12px 16px;font-size:.95rem;transition:all .2s}.form-control:focus{border-color:var(--primary);box-shadow:0 0 10px #8b5cf626}.skeleton-container{flex-direction:column;gap:12px;padding:24px;display:flex}.skeleton-line{background:linear-gradient(90deg,#ffffff08 25%,#ffffff14,#ffffff08 75%) 0 0/200% 100%;border-radius:4px;height:16px;animation:1.5s infinite skeletonShimmer}.skeleton-title{width:40%;height:24px;margin-bottom:12px}.skeleton-paragraph{width:100%}.skeleton-paragraph:nth-child(3){width:90%}.skeleton-paragraph:nth-child(4){width:75%}@keyframes skeletonShimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.explain-output-content,.summarize-output-content{line-height:1.6}.explain-section-card{border:1px solid var(--border-glass);border-radius:var(--border-radius-md);background:#ffffff03;margin-top:14px;padding:18px}.explain-section-title{font-family:var(--font-display);color:var(--primary-light);align-items:center;gap:8px;margin-bottom:8px;font-size:1.15rem;font-weight:600;display:flex}.quiz-info-row{justify-content:space-between;align-items:center;display:flex}.quiz-timer-box{font-family:var(--font-mono);align-items:center;gap:6px;font-size:1rem;font-weight:600;display:flex}.quiz-options-list{flex-direction:column;gap:12px;display:flex}.quiz-option-btn{text-align:left;border:1px solid var(--border-glass);border-radius:var(--border-radius-md);color:var(--text-base);cursor:pointer;background:#ffffff05;justify-content:space-between;align-items:center;padding:14px 18px;font-size:.95rem;transition:all .2s;display:flex}.quiz-option-btn:hover{border-color:var(--border-glass-hover);background:#ffffff0f;transform:translate(4px)}.quiz-option-btn.selected{border-color:var(--primary);background:#8b5cf614}.quiz-option-btn.correct{color:#10b981;background:#10b9811f;border-color:#10b981}.quiz-option-btn.incorrect{border-color:var(--accent);color:var(--accent);background:#f43f5e1f}.quiz-option-letter{font-family:var(--font-display);background:#ffffff0d;border-radius:4px;margin-right:12px;padding:2px 8px;font-weight:700}.quiz-option-btn.correct .quiz-option-letter{background:#10b98133}.quiz-option-btn.incorrect .quiz-option-letter{background:#f43f5e33}.quiz-feedback-panel{border-radius:var(--border-radius-md);border-left:4px solid var(--primary);background:#8b5cf60a;padding:16px}.feedback-heading{margin-bottom:4px;font-size:1.05rem;font-weight:600}.feedback-text{color:var(--text-muted);font-size:.9rem}.score-icon-badge{background:#f59e0b1a;border-radius:50%;justify-content:center;align-items:center;width:70px;height:70px;margin:0 auto;display:flex}.score-trophy-icon{width:36px;height:36px}.score-stat-box{border:1px solid var(--border-glass);border-radius:var(--border-radius-md);background:#ffffff05;min-width:140px;padding:18px}.score-big-text{font-family:var(--font-display);font-size:1.75rem;font-weight:700;display:block}.score-label{color:var(--text-muted);text-transform:uppercase;font-size:.75rem}.tabs-header-control{gap:18px;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;border-radius:0;padding:10px 0;font-size:1rem;font-weight:600}.tab-btn:hover{color:var(--text-base)}.tab-btn.active{color:var(--primary-light);border-bottom-color:var(--primary)}.tab-pane{display:none}.tab-pane.active{display:block}.file-upload-drag-zone{border:2px dashed var(--border-glass);border-radius:var(--border-radius-lg);text-align:center;cursor:pointer;background:#ffffff03;padding:48px;transition:all .2s}.file-upload-drag-zone:hover,.file-upload-drag-zone.drag-over{border-color:var(--primary);background:#8b5cf605}.drag-icon{width:44px;height:44px;margin-bottom:14px}.drag-title{color:var(--text-base);font-size:1.15rem;font-weight:600}.drag-subtitle{color:var(--text-muted);margin-top:6px;font-size:.85rem}.selected-file-row{border-radius:var(--border-radius-md);border:1px solid var(--border-glass-hover);background:#ffffff08;justify-content:space-between;align-items:center;padding:14px 18px;display:flex}.file-meta{align-items:center;gap:12px;display:flex}.file-meta i{width:24px;height:24px}.file-info{flex-direction:column;display:flex}.file-name{color:var(--text-base);font-size:.9rem;font-weight:600}.file-size{color:var(--text-muted);font-size:.75rem}.pdf-extract-indicator-bar{border-radius:var(--border-radius-md);border:1px solid var(--border-glass);background:#ffffff05;align-items:center;gap:12px;padding:12px 18px;display:flex}.loading-bar-spinner{border:2px solid #ffffff1a;border-top-color:var(--primary-light);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spinnerLoop}@keyframes spinnerLoop{to{transform:rotate(360deg)}}.flashcards-main-wrapper{perspective:1000px}.flashcard-board-3d{cursor:pointer;width:100%;height:320px}.flashcard-card-inner{text-align:center;width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.flashcard-board-3d.flipped .flashcard-card-inner{transform:rotateY(180deg)}.flashcard-side{backface-visibility:hidden;border-radius:var(--border-radius-lg);border:1px solid var(--border-glass);width:100%;height:100%;box-shadow:var(--glass-shadow);flex-direction:column;justify-content:space-between;padding:24px;display:flex;position:absolute}.flashcard-front{color:var(--text-base);background:linear-gradient(135deg,#1f293766,#11182766)}.flashcard-back{color:var(--text-base);background:linear-gradient(135deg,#8b5cf61f,#1f293773);border-color:#8b5cf640;transform:rotateY(180deg)}.card-badge-top{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;align-self:flex-start;font-size:.75rem;font-weight:700}.flashcard-front .card-badge-top{color:var(--cyan)}.flashcard-back .card-badge-top{color:var(--primary-light)}.card-text-container{flex-grow:1;justify-content:center;align-items:center;display:flex}.flashcard-text{font-size:1.45rem;font-weight:500;line-height:1.5}.flashcard-front .flashcard-text{font-family:var(--font-display)}.card-prompt-bottom{color:var(--text-muted);font-size:.8rem}.flashcard-pagination-controls{align-items:center;gap:12px;display:flex}.pagination-indicator{font-family:var(--font-mono);font-size:.9rem}.planner-stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.plan-stat-cell{border:1px solid var(--border-glass);border-radius:var(--border-radius-md);text-align:center;background:#ffffff05;padding:12px}.plan-stat-num{font-family:var(--font-display);font-size:1.35rem;font-weight:700;display:block}.plan-stat-label{color:var(--text-muted);font-size:.65rem}.planner-tasks-board-list{flex-direction:column;gap:10px;max-height:480px;padding-right:4px;display:flex;overflow-y:auto}.planner-task-item{border:1px solid var(--border-glass);border-radius:var(--border-radius-md);background:#ffffff05;align-items:center;gap:14px;padding:12px 16px;transition:all .2s;display:flex}.planner-task-item:hover{border-color:var(--border-glass-hover);background:#ffffff0a}.task-checkbox-custom{background:var(--bg-input);border:1px solid var(--border-glass-hover);cursor:pointer;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:flex;position:relative}.task-checkbox-custom i{color:#fff;opacity:0;width:12px;height:12px;transition:opacity .15s}.planner-task-item.done .task-checkbox-custom{background:var(--primary);border-color:var(--primary)}.planner-task-item.done .task-checkbox-custom i{opacity:1}.task-core-details{flex-direction:column;flex-grow:1;display:flex}.task-title-text{color:var(--text-base);font-size:.95rem;font-weight:500}.planner-task-item.done .task-title-text{color:var(--text-muted);text-decoration:line-through}.task-sub-info-row{align-items:center;gap:8px;margin-top:4px;display:flex}.task-tag{text-transform:uppercase;color:var(--text-muted);background:#ffffff0d;border-radius:4px;padding:1px 6px;font-size:.65rem;font-weight:600}.task-tag.sci{color:var(--primary-light);background:#8b5cf626}.task-tag.mat{color:var(--cyan);background:#06b6d426}.task-tag.hum{color:var(--accent);background:#f43f5e26}.task-due-date-lbl{color:var(--text-muted);font-size:.75rem}.pomodoro-radial-container{width:200px;height:200px;position:relative}.progress-bar-timer{stroke:var(--primary);transition:stroke-dashoffset .1s linear}.pomodoro-radial-container .progress-text-container{flex-direction:column;justify-content:center;align-items:center;display:flex}.pomodoro-timer-text{color:var(--text-base);letter-spacing:-.05em;font-size:2.25rem;font-weight:700;line-height:1}.pomodoro-timer-state{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:4px;font-size:.65rem;font-weight:700}.timer-presets-row{margin:10px 0}.timer-custom-setter-pane{border:1px solid var(--border-glass);border-radius:var(--border-radius-md);background:#ffffff05;padding:8px 14px}.glass-subcard{border:1px solid var(--border-glass);border-radius:var(--border-radius-md);background:#ffffff03}.pomo-sub-label{color:var(--text-muted);font-size:.8rem;display:block}.pomo-sub-val{color:var(--text-base);margin-top:4px;font-size:1.15rem;font-weight:600;display:block}.password-input-group{display:flex;position:relative}.password-input-group .form-control{width:100%;padding-right:48px}.password-input-group .icon-btn{position:absolute;top:50%;right:6px;transform:translateY(-50%)}.settings-guide-text{color:var(--text-muted);font-size:.85rem;line-height:1.5}.toast-outer-container{z-index:100;pointer-events:none;flex-direction:column;gap:10px;display:flex;position:fixed;bottom:24px;right:24px}.toast-message-item{pointer-events:auto;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--border-glass);border-left:4px solid var(--primary);border-radius:var(--border-radius-md);background:#111827e6;align-items:center;gap:12px;min-width:280px;max-width:380px;padding:14px 18px;animation:.35s cubic-bezier(.175,.885,.32,1.275) toastEntry;display:flex;box-shadow:0 10px 25px #0000004d}.toast-message-item.success{border-left-color:#10b981}.toast-message-item.error{border-left-color:var(--accent)}.toast-message-item.info{border-left-color:var(--cyan)}@keyframes toastEntry{0%{opacity:0;transform:translateY(20px)scale(.9)}to{opacity:1;transform:translateY(0)scale(1)}}.toast-icon{flex-shrink:0;width:20px;height:20px}.toast-message-item.success .toast-icon{color:#10b981}.toast-message-item.error .toast-icon{color:var(--accent)}.toast-message-item.info .toast-icon{color:var(--cyan)}.toast-text{color:#fff;flex-grow:1;font-size:.85rem;font-weight:500}.toast-close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:2px}.toast-close-btn:hover{color:#fff}@media(max-width:1024px){.grid-layout-3x3{grid-template-columns:repeat(2,minmax(0,1fr))}.span-2{grid-column:span 2/span 2}}@media(max-width:768px){.mobile-header{display:flex}.sidebar-container{position:fixed;top:0;bottom:0;left:0;transform:translate(-101%)}.sidebar-container.sidebar-open{transform:translate(0)}.workspace-area{padding:80px 16px 24px}.desktop-only{display:none!important}.mobile-only-btn{display:block!important}.grid-layout-3x3{grid-template-columns:minmax(0,1fr)}.span-2{grid-column:span 1/span 1}.grid-2col,.grid-3col{grid-template-columns:minmax(0,1fr)}.hero-content{max-width:100%}.hero-illustration{display:none}.chat-main-container{flex-direction:column;height:calc(100vh - 120px)}.chat-sidebar{width:100%;height:140px;margin-bottom:12px}.message-bubble{max-width:95%}}.mobile-only-btn{display:none}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.5}}@keyframes bounce{0%,to{animation-timing-function:cubic-bezier(.8,0,1,1);transform:translateY(-25%)}50%{animation-timing-function:cubic-bezier(0,0,.2,1);transform:none}}