@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";@tailwind base;@tailwind components;@tailwind utilities;:root{--color-primary: #6C63FF;--color-primary-light: #EEF0FF;--color-primary-dark: #5A52D5;--color-secondary: #10B981;--color-secondary-light: #D1FAE5;--color-accent: #F59E0B;--color-accent-light: #FEF3C7;--color-bg: #F8F9FC;--color-surface: #FFFFFF;--color-text-primary: #1A1A2E;--color-text-secondary: #64748B;--color-border: #E2E8F0;--color-sidebar: #1E1E2F;--color-sidebar-hover: #2A2A42;--color-sidebar-active: #6C63FF;--color-sidebar-text: #CBD5E1;--color-sidebar-text-muted: #64748B;--color-danger: #DC2626;--color-danger-soft: #FFF5F5;--shadow-card: 0 2px 12px rgba(0,0,0,.06);color-scheme:light}:root[data-theme=dark]{--color-primary: #8B83FF;--color-primary-light: #2A2A42;--color-secondary-light: #064E3B;--color-accent-light: #78350F;--color-bg: #0F172A;--color-surface: #1E293B;--color-text-primary: #F8FAFC;--color-text-secondary: #94A3B8;--color-border: #334155;--color-sidebar: #0B0F19;--color-sidebar-hover: #1E293B;--color-sidebar-text: #F8FAFC;--color-sidebar-text-muted: #94A3B8;--color-danger: #F87171;--color-danger-soft: rgba(248, 113, 113, .12);--shadow-card: 0 2px 14px rgba(0,0,0,.24);color-scheme:dark}*{font-family:Inter,sans-serif;box-sizing:border-box}body{background-color:var(--color-bg);color:var(--color-text-primary);margin:0;transition:background-color .3s ease,color .3s ease}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.transition-smooth{transition:all .25s ease}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:16px;box-shadow:var(--shadow-card);transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease,color .25s ease}.surface-muted{background-color:var(--color-bg)!important}.text-muted{color:var(--color-text-secondary)!important}.theme-card{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-primary);transition:background-color .3s ease,border-color .3s ease,color .3s ease}.theme-input{background:var(--color-bg);border:1.5px solid var(--color-border);color:var(--color-text-primary);transition:background-color .3s ease,border-color .3s ease,color .3s ease}.theme-input::placeholder{color:var(--color-text-secondary)}input,textarea,select{color:var(--color-text-primary);background-color:var(--color-surface);border-color:var(--color-border);transition:background-color .25s ease,border-color .25s ease,color .25s ease,box-shadow .25s ease!important}input::placeholder,textarea::placeholder{color:var(--color-text-secondary);opacity:.75}input:disabled,textarea:disabled,select:disabled{opacity:.6;cursor:not-allowed;background-color:var(--color-bg)!important;color:var(--color-text-secondary)!important}.sidebar-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;color:var(--color-sidebar-text);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;text-decoration:none}.sidebar-item:hover{background:var(--color-sidebar-hover);color:#fff}.sidebar-item.active{background:var(--color-primary);color:#fff}.btn-primary{background:var(--color-primary);color:#fff;border:none;border-radius:10px;padding:10px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.btn-secondary{background:var(--color-primary-light);color:var(--color-primary);border:none;border-radius:10px;padding:10px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-secondary:hover{background:#ddd8ff}:root[data-theme=dark] .btn-secondary:hover{background:#343052}.btn-ghost{background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border);border-radius:10px;padding:10px 20px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-ghost:hover{background:var(--color-bg);color:var(--color-text-primary)}.field-error-message{margin:4px 0 0;font-size:12px;color:#dc2626;display:flex;align-items:flex-start;gap:6px;opacity:0;animation:fieldErrorFadeIn .2s ease forwards}@keyframes fieldErrorFadeIn{0%{opacity:0}to{opacity:1}}button{transition:transform .1s ease,filter .1s ease}button:active{transform:scale(.97);filter:brightness(.95);transition:transform .1s ease,filter .1s ease!important}.badge-done{background:var(--color-secondary);color:#fff;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}.badge-done-pop{animation:doneBadgePopIn .24s ease}@keyframes doneBadgePopIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.subtask-card-highlight{animation:subtaskGlowGreen .5s ease}@keyframes subtaskGlowGreen{0%{box-shadow:0 0 #10b98100}45%{box-shadow:0 0 0 3px #10b98147,0 10px 22px #10b9812e}to{box-shadow:0 2px 12px #0000000f}}.badge-next{background:var(--color-bg);color:var(--color-text-secondary);border:1px solid var(--color-border);font-size:12px;font-weight:500;padding:3px 10px;border-radius:999px}.badge-priority-high{background:#fee2e2;color:#dc2626;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px}.badge-priority-good{background:var(--color-secondary-light);color:#059669;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px}.badge-priority-later{background:#dbeafe;color:#2563eb;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px}.tag{font-size:11px;font-weight:600;padding:3px 8px;border-radius:6px;letter-spacing:.04em;text-transform:uppercase}.tag-research{background:#ede9fe;color:#7c3aed}.tag-writing{background:#fef9c3;color:#a16207}.tag-coding{background:#dbeafe;color:#1d4ed8}.tag-data{background:#dcfce7;color:#15803d}.tag-academic{background:#ffe4e6;color:#be123c}.tag-productivity{background:#f0fdfa;color:#0f766e}.subtask-content{overflow:hidden;max-height:0;transition:max-height .35s ease,opacity .25s ease;opacity:0}.subtask-content.open{max-height:500px;opacity:1}.right-panel{transform:translate(100%);transition:transform .3s ease}.right-panel.open{transform:translate(0)}.toast-container{position:fixed;right:24px;bottom:24px;z-index:9999;display:flex;flex-direction:column;gap:8px;align-items:flex-end}.toast{width:min(360px,calc(100vw - 28px));background:var(--color-surface);border-left:4px solid #3B82F6;border-radius:12px;padding:16px;font-size:13px;color:var(--color-text-primary);box-shadow:0 10px 22px #0000001f;border:1px solid var(--color-border);display:flex;align-items:flex-start;gap:10px;animation:toastSlideIn .25s ease;transition:background-color .3s ease,border-color .3s ease,color .3s ease}.toast-success{border-left-color:#22c55e}.toast-error{border-left-color:#dc2626}.toast-info{border-left-color:#3b82f6}.toast-icon{margin-top:1px;display:inline-flex}.toast-success .toast-icon{color:#22c55e}.toast-error .toast-icon{color:#dc2626}.toast-info .toast-icon{color:#3b82f6}.toast-message{flex:1;line-height:1.5}.toast-close{border:none;background:transparent;color:var(--color-text-secondary);cursor:pointer;line-height:0;padding:2px;margin-top:1px;display:inline-flex}.toast-closing{animation:toastSlideOut .2s ease forwards}@keyframes toastSlideIn{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}@keyframes toastSlideOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(24px)}}.typing-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--color-primary);animation:typingBounce 1.2s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,80%,to{transform:scale(.7);opacity:.5}40%{transform:scale(1);opacity:1}}.file-drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;border:2px dashed var(--color-primary);border-radius:16px;background:#6c63ff2e;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--color-primary-dark);pointer-events:auto}.send-spinner{animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.processing-indicator{display:inline-flex;align-items:baseline}.processing-dot{display:inline-block;animation:processingDotPulse 1.2s infinite}.processing-dot:nth-child(1){animation-delay:0s}.processing-dot:nth-child(2){animation-delay:.2s}.processing-dot:nth-child(3){animation-delay:.4s}@keyframes processingDotPulse{0%,80%,to{opacity:.2}40%{opacity:1}}.tooltip-host{position:relative;display:inline-flex;align-items:center}.tooltip-host:after{content:attr(data-tooltip);position:absolute;left:50%;bottom:calc(100% + 10px);transform:translate(-50%,6px);max-width:240px;width:max-content;background:#1f2937f5;color:#fff;font-size:12px;line-height:1.4;padding:8px 12px;border-radius:6px;box-shadow:0 8px 20px #0f172a40;white-space:normal;text-align:left;opacity:0;visibility:hidden;pointer-events:none;z-index:1400;transition:opacity .15s ease .3s,transform .15s ease .3s,visibility 0s linear .45s}.tooltip-host:before{content:"";position:absolute;left:50%;bottom:calc(100% + 4px);width:10px;height:10px;background:#1f2937f5;transform:translate(-50%) rotate(45deg);opacity:0;visibility:hidden;pointer-events:none;z-index:1399;transition:opacity .15s ease .3s,visibility 0s linear .45s}.tooltip-host:hover:after,.tooltip-host:focus-visible:after{opacity:1;visibility:visible;transform:translate(-50%);transition-delay:.3s}.tooltip-host:hover:before,.tooltip-host:focus-visible:before{opacity:1;visibility:visible;transform:translate(-50%) rotate(45deg);transition-delay:.3s}.tooltip-host.tooltip-active:after{font-weight:700;color:#fcd34d}.tooltip-host.tooltip-block{display:block}.tooltip-help-icon{width:16px;height:16px;border-radius:50%;border:1px solid var(--color-border);color:var(--color-text-secondary);background:var(--color-surface);font-size:11px;font-weight:700;line-height:1;align-items:center;justify-content:center;cursor:help}.tool-tooltip{position:absolute;left:50%;top:-10px;width:min(320px,calc(100% - 8px));background:#1e293b;color:#f8fafc;border-radius:12px;padding:10px 12px;transform:translate(-50%,calc(-100% - 4px));opacity:0;visibility:hidden;transition:opacity .15s ease;pointer-events:none;z-index:20}.tool-tooltip.visible{opacity:1;visibility:visible}.tool-tooltip-title{margin:0 0 6px;font-size:12px;font-weight:700}.tool-tooltip-line{margin:0;font-size:11px;line-height:1.45;color:#cbd5e1}.tool-tooltip-desc{margin:6px 0 0;font-size:11px;line-height:1.5;color:#e2e8f0}.tool-tooltip-arrow{position:absolute;left:50%;bottom:-6px;width:12px;height:12px;background:#1e293b;transform:translate(-50%) rotate(45deg)}.onboarding-step-panel{position:relative;z-index:1}.onboarding-slide-next{animation:onboardingSlideNext .3s ease-in-out}.onboarding-slide-back{animation:onboardingSlideBack .3s ease-in-out}@keyframes onboardingSlideNext{0%{opacity:0;transform:translate(34px)}to{opacity:1;transform:translate(0)}}@keyframes onboardingSlideBack{0%{opacity:0;transform:translate(-34px)}to{opacity:1;transform:translate(0)}}.onboarding-confetti-layer{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.onboarding-confetti-piece{position:absolute;top:-12%;width:8px;height:16px;border-radius:4px;opacity:0;animation-name:confettiDrop;animation-timing-function:ease-out;animation-fill-mode:forwards}.completion-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:3600;background:#0f172a59;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;padding:20px}.completion-card{position:relative;width:min(430px,92vw);background:var(--color-surface);border-radius:18px;border:1px solid var(--color-border);box-shadow:0 20px 50px #0f172a40;padding:26px 24px;text-align:center}.completion-icon-wrap{width:72px;height:72px;border-radius:50%;margin:0 auto 12px;background:linear-gradient(135deg,var(--color-secondary),#059669);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px #10b98152}.completion-title{margin:0;font-size:22px;font-weight:800;color:var(--color-text-primary)}.completion-subtitle{margin:8px 0 16px;font-size:13px;color:var(--color-text-secondary);line-height:1.6}.completion-confetti-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.completion-confetti-piece{position:absolute;top:-10%;width:9px;height:15px;border-radius:4px;opacity:0;animation-name:confettiDrop;animation-timing-function:ease-out;animation-fill-mode:forwards}@keyframes confettiDrop{0%{opacity:1;transform:translateY(-24px) rotate(0)}to{opacity:0;transform:translateY(340px) rotate(540deg)}}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.view-enter{animation:viewFadeIn .25s ease forwards}@keyframes viewFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.mobile-bottom-nav{display:none}.modal-overlay{animation:modalOverlayFadeIn .18s ease}.modal-surface{animation:modalSurfaceScaleIn .2s ease}.dashboard-tour-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:5000;pointer-events:none}.dashboard-tour-backdrop-blur{position:fixed;top:0;right:0;bottom:0;left:0;background:#0206177a;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);pointer-events:none}.dashboard-tour-highlight{position:fixed;border-radius:12px;box-shadow:0 0 0 9999px #0009;border:2px solid rgba(255,255,255,.75);transition:all .24s ease;pointer-events:none}.dashboard-tour-callout{position:fixed;max-width:320px;width:min(320px,calc(100vw - 32px));background:var(--color-surface);border-radius:12px;box-shadow:0 20px 48px #02061754;border:1px solid var(--color-border);padding:20px;pointer-events:auto;animation:dashboardTourCalloutIn .22s ease}.dashboard-tour-progress{margin:0 0 6px;font-size:12px;font-weight:700;color:var(--color-text-secondary)}.dashboard-tour-title{margin:0;font-size:16px;font-weight:800;color:var(--color-text-primary)}.dashboard-tour-body{margin:8px 0 14px;font-size:14px;font-weight:400;line-height:1.65;color:var(--color-text-secondary)}.dashboard-tour-skip{margin-top:8px;width:100%;border:none;background:transparent;color:var(--color-text-secondary);font-size:13px;font-weight:600;cursor:pointer;padding:6px 0 0}.dashboard-tour-skip:hover{color:var(--color-text-primary)}@keyframes dashboardTourCalloutIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes modalOverlayFadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalSurfaceScaleIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@media (max-width: 1024px){.right-panel{position:fixed!important;right:0;top:0;height:100vh;z-index:500;box-shadow:-8px 0 32px #00000026}.tool-grid-3{grid-template-columns:repeat(2,1fr)!important}}@media (max-width: 768px){.sidebar-desktop{display:none!important}.mobile-bottom-nav{display:flex!important}.onboarding-semester-grid,.tool-grid-3,.library-grid,.stats-grid{grid-template-columns:1fr!important}.main-content{padding:20px 16px!important}}