*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0a0a0c;--bg-secondary: rgba(15, 12, 14, .85);--bg-tertiary: rgba(22, 18, 20, .9);--bg-elevated: rgba(32, 26, 28, .95);--accent-primary: #d64045;--accent-primary-hover: #e55459;--accent-primary-muted: rgba(214, 64, 69, .1);--accent-secondary: #a33438;--accent-tertiary: #722428;--accent-pink: #ff7a8f;--accent-cyan: #39b7d9;--accent-gold: #d4a373;--accent-streak: #e85d04;--accent-success: #2d9a5c;--accent-warm: #b8860b;--text-primary: rgba(255, 255, 255, .95);--text-secondary: rgba(255, 255, 255, .65);--text-muted: rgba(255, 255, 255, .4);--text-accent: #ff6b7a;--glass-bg: rgba(15, 12, 14, .7);--glass-bg-light: rgba(25, 20, 22, .6);--glass-border: rgba(255, 255, 255, .08);--glass-border-accent: rgba(196, 30, 58, .3);--glass-blur: blur(20px);--glass-blur-strong: blur(40px);--border-subtle: rgba(255, 255, 255, .06);--border-medium: rgba(255, 255, 255, .1);--border-accent: rgba(214, 64, 69, .3);--shadow-sm: 0 2px 12px rgba(0, 0, 0, .08);--shadow-md: 0 8px 30px rgba(0, 0, 0, .12);--shadow-lg: 0 20px 60px rgba(0, 0, 0, .15);--shadow-glow: 0 0 60px rgba(214, 64, 69, .1);--shadow-glow-strong: 0 0 80px rgba(214, 64, 69, .15);--shadow-inner: inset 0 1px 0 rgba(255, 255, 255, .04);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--space-section: 80px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--transition-fast: .18s cubic-bezier(.25, .46, .45, .94);--transition-normal: .3s cubic-bezier(.25, .46, .45, .94);--transition-slow: .5s cubic-bezier(.25, .46, .45, .94);--transition-spring: .4s cubic-bezier(.175, .885, .32, 1.275)}html.light-mode{color-scheme:light;--bg-primary: #f6f7fb;--bg-secondary: rgba(255, 255, 255, .9);--bg-tertiary: rgba(248, 250, 252, .92);--bg-elevated: rgba(255, 255, 255, .98);--accent-primary: #d64045;--accent-primary-hover: #c13539;--accent-primary-muted: rgba(214, 64, 69, .08);--accent-secondary: #a33438;--accent-tertiary: #8a2529;--accent-pink: #e05d71;--accent-cyan: #0c9ec3;--accent-gold: #b8860b;--accent-streak: #d45400;--accent-success: #228b4a;--accent-warm: #b8860b;--text-primary: rgba(15, 23, 42, .96);--text-secondary: rgba(15, 23, 42, .72);--text-muted: rgba(15, 23, 42, .5);--text-accent: #c13539;--glass-bg: rgba(255, 255, 255, .8);--glass-bg-light: rgba(255, 255, 255, .68);--glass-border: rgba(15, 23, 42, .1);--glass-border-accent: rgba(196, 30, 58, .2);--glass-blur: blur(20px);--glass-blur-strong: blur(40px);--border-subtle: rgba(15, 23, 42, .08);--border-medium: rgba(15, 23, 42, .14);--border-accent: rgba(214, 64, 69, .25);--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 18px rgba(15, 23, 42, .06);--shadow-md: 0 2px 6px rgba(15, 23, 42, .07), 0 14px 30px rgba(15, 23, 42, .08);--shadow-lg: 0 4px 10px rgba(15, 23, 42, .08), 0 24px 48px rgba(15, 23, 42, .1);--shadow-glow: 0 0 60px rgba(214, 64, 69, .06);--shadow-glow-strong: 0 0 80px rgba(214, 64, 69, .08);--shadow-inner: inset 0 1px 0 rgba(255, 255, 255, .6)}html.light-mode body:before,html.light-mode body:after{display:none}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow:hidden;position:relative}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse 80% 60% at 20% 10%,rgba(255,255,255,.03) 0%,transparent 50%),radial-gradient(ellipse 60% 50% at 80% 20%,rgba(255,255,255,.02) 0%,transparent 45%),radial-gradient(ellipse 50% 40% at 50% 90%,rgba(255,255,255,.015) 0%,transparent 40%),radial-gradient(ellipse 100% 100% at 50% 50%,#0a0a0c,#0a0a0c);z-index:-2;animation:ambientPulse 15s ease-in-out infinite}body:after{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle 400px at 10% 30%,rgba(255,255,255,.02) 0%,transparent 60%),radial-gradient(circle 300px at 90% 70%,rgba(255,255,255,.015) 0%,transparent 50%),radial-gradient(circle 500px at 50% 50%,rgba(255,255,255,.01) 0%,transparent 70%);z-index:-1;animation:floatingOrbs 20s ease-in-out infinite alternate;pointer-events:none}@keyframes ambientPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.85;transform:scale(1.02)}}@keyframes floatingOrbs{0%{transform:translate(0) rotate(0)}33%{transform:translate(30px,-20px) rotate(2deg)}66%{transform:translate(-20px,15px) rotate(-1deg)}to{transform:translate(10px,-10px) rotate(1deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes flamePulse{0%,to{filter:drop-shadow(0 0 4px rgba(245,158,11,.4));transform:scale(1)}50%{filter:drop-shadow(0 0 10px rgba(245,158,11,.7));transform:scale(1.1)}}@keyframes subtleFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes cardEntrance{0%{opacity:0}to{opacity:1}}#root{min-height:100vh;display:flex;flex-direction:column;position:relative}.glass{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);box-shadow:var(--shadow-inner),var(--shadow-md)}.glass-strong{background:var(--glass-bg-light);backdrop-filter:var(--glass-blur-strong);-webkit-backdrop-filter:var(--glass-blur-strong);border:1px solid var(--glass-border);box-shadow:var(--shadow-inner),var(--shadow-lg)}.glass-accent{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border-accent);box-shadow:var(--shadow-inner),var(--shadow-glow)}.glow-hover{transition:box-shadow var(--transition-normal),transform var(--transition-normal)}.glow-hover:hover{box-shadow:var(--shadow-glow);transform:translateY(-2px)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{display:flex;flex-direction:column;height:100vh;overflow:hidden;padding-top:64px;position:relative}.app-container.distraction-free-mode{padding-top:0}.app-container.distraction-free-mode .main-header{transform:translateY(-110%);opacity:0;pointer-events:none}.app-container.distraction-free-mode .left-sidebar,.app-container.distraction-free-mode .right-sidebar,.app-container.distraction-free-mode .resize-divider{width:0!important;min-width:0!important;opacity:0;pointer-events:none;border:none!important;overflow:hidden!important}.app-container.distraction-free-mode .center-content{min-width:100%}.distraction-exit-btn{position:fixed;top:14px;right:16px;z-index:180;border:1px solid var(--border-medium);background:#06080fb8;color:var(--text-primary);border-radius:999px;padding:8px 12px;font-size:12px;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:all .2s ease}.distraction-exit-btn:hover{border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-1px)}.demo-tour-overlay{position:fixed;left:18px;bottom:18px;z-index:190;pointer-events:none}.demo-tour-card{pointer-events:auto;width:min(420px,calc(100vw - 36px));border:1px solid var(--border-medium);background:#080b14e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;box-shadow:0 20px 60px #00000073;padding:14px 14px 12px}.demo-tour-progress{display:inline-flex;padding:4px 8px;border-radius:999px;background:#c41e3a33;border:1px solid rgba(196,30,58,.4);font-size:11px;font-weight:700;color:var(--text-secondary);letter-spacing:.02em;margin-bottom:8px}.demo-tour-card h3{margin:0;font-size:18px;color:var(--text-primary)}.demo-tour-card p{margin:8px 0 0;font-size:13px;line-height:1.5;color:var(--text-secondary)}.demo-tour-actions{display:flex;gap:8px;margin-top:12px}.demo-tour-actions button{border:1px solid var(--border-medium);background:var(--bg-tertiary);color:var(--text-primary);border-radius:10px;font-size:12px;font-weight:600;padding:7px 11px;cursor:pointer}.demo-tour-actions button:disabled{opacity:.45;cursor:not-allowed}.demo-tour-start-btn{position:fixed;left:16px;top:14px;z-index:180;border:1px solid rgba(196,30,58,.5);background:#c41e3a2e;color:var(--text-primary);border-radius:999px;padding:8px 12px;font-size:12px;font-weight:700;letter-spacing:.02em;cursor:pointer}.feature-guide-root{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1250;pointer-events:none}.feature-guide-scrim{position:fixed;background:#03060e9e;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);pointer-events:auto}.feature-guide-spotlight{position:fixed;border:1px solid rgba(255,255,255,.45);box-shadow:0 0 0 1px #ff525259,0 10px 42px #0000007a;pointer-events:none;animation:featureGuidePulse 1.9s ease-in-out infinite}.feature-guide-card{position:fixed;border:1px solid rgba(255,255,255,.16);background:linear-gradient(180deg,#0c101cf5,#080c14f5);border-radius:16px;box-shadow:0 28px 80px #0000008f;padding:16px 16px 14px;pointer-events:auto}.feature-guide-progress{display:inline-flex;border-radius:999px;border:1px solid rgba(255,82,82,.42);background:#ff525229;color:#ffffffe6;font-size:11px;font-weight:700;letter-spacing:.03em;padding:4px 8px;margin-bottom:10px}.feature-guide-card h3{margin:0;font-size:20px;line-height:1.2;color:var(--text-primary)}.feature-guide-card p{margin:10px 0 0;color:var(--text-secondary);font-size:13px;line-height:1.5}.feature-guide-missing{margin-top:10px;padding:8px 10px;border-radius:10px;border:1px solid rgba(251,191,36,.36);background:#fbbf241f;color:#ffeec6e6!important;font-size:12px!important}.feature-guide-actions{display:flex;gap:8px;margin-top:14px}.feature-guide-actions button{height:38px;border-radius:10px;border:1px solid var(--border-medium);background:var(--bg-tertiary);color:var(--text-primary);padding:0 12px;font-size:13px;font-weight:700;cursor:pointer}.feature-guide-actions button:nth-child(2){border-color:#ff5252a6;background:linear-gradient(135deg,#ff5252f2,#e03030f2);color:#fff}.feature-guide-actions button:disabled{opacity:.45;cursor:not-allowed}@keyframes featureGuidePulse{0%{box-shadow:0 0 0 1px #ff52523d,0 8px 30px #00000070}50%{box-shadow:0 0 0 1px #ff525280,0 12px 44px #0000008f}to{box-shadow:0 0 0 1px #ff52523d,0 8px 30px #00000070}}@media (max-width: 760px){.feature-guide-card{border-radius:14px;padding:14px 14px 12px}.feature-guide-card h3{font-size:18px}.feature-guide-actions{flex-wrap:wrap}.feature-guide-actions button{flex:1 1 30%;min-width:88px}}@media (prefers-reduced-motion: reduce){.feature-guide-spotlight{animation:none}}.main-content{display:flex;flex:1;overflow:hidden;position:relative}.left-sidebar{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-right:1px solid var(--glass-border);display:flex;flex-direction:column;overflow:auto;flex-shrink:0}.left-sidebar>.left-sidebar-inner,.left-sidebar>div:first-child{padding:20px;display:flex;flex-direction:column;gap:20px;height:100%;width:100%}.left-sidebar:hover{border-right-color:var(--border-medium)}.resize-divider{width:6px;cursor:ew-resize;background:transparent;position:relative;flex-shrink:0;z-index:50;transition:background .15s}.resize-divider:hover,.resize-divider:active{background:#c41e3a33}.resize-divider:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:4px;height:40px;background:var(--border-medium);border-radius:2px;opacity:.4;transition:opacity .2s,background .2s}.resize-divider:hover:after,.resize-divider:active:after{opacity:1;background:var(--accent-primary)}.center-content{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;min-width:300px}.no-file-selected{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-muted);text-align:center;padding:40px}.no-file-icon{font-size:64px;opacity:.5}.no-file-selected h3{color:var(--text-secondary);font-size:18px;font-weight:600;margin:0}.no-file-selected p{color:var(--text-muted);font-size:14px;margin:0}.sidebar-back-btn{display:flex;align-items:center;gap:8px;padding:0;background:transparent;border:none;color:var(--text-muted);font-size:13px;font-weight:500;cursor:pointer;transition:color .15s}.sidebar-back-btn:hover{color:var(--text-primary)}.sidebar-course-card{display:flex;align-items:center;gap:14px;padding:16px;background:var(--glass-bg-light);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:14px;border:1px solid var(--glass-border-accent);border-left:3px solid var(--accent-primary);box-shadow:var(--shadow-glow)}.course-emoji{font-size:32px;flex-shrink:0}.course-meta{flex:1;min-width:0}.course-title{font-size:15px;font-weight:600;color:var(--text-primary);margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.course-stats{font-size:12px;color:var(--text-muted)}.materials-section{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.materials-header{display:flex;align-items:center;gap:8px;padding:8px 0;background:transparent;border:none;color:var(--text-secondary);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:color .15s}.materials-header:hover{color:var(--text-primary)}.materials-count{margin-left:auto;padding:2px 8px;background:var(--bg-elevated);border-radius:10px;font-size:11px;color:var(--text-muted)}.materials-content{flex:1;overflow-y:auto;padding-right:4px}.upload-dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:28px 20px;border:2px dashed var(--border-medium);border-radius:14px;color:var(--text-muted);font-size:13px;text-align:center;cursor:pointer;transition:all var(--transition-normal);background:#c41e3a05}.upload-dropzone:hover{border-color:var(--accent-primary);color:var(--text-secondary);background:#c41e3a14;box-shadow:var(--shadow-glow)}.sidebar-spacer{flex:1}.circular-timer-container{display:flex;flex-direction:column;align-items:center;gap:16px;padding-top:16px;border-top:1px solid var(--border-subtle)}.circular-timer{position:relative;width:140px;height:140px}.timer-svg{width:100%;height:100%;transform:rotate(-90deg)}.timer-svg .timer-track{fill:none;stroke:var(--bg-elevated, rgba(255, 255, 255, .08));stroke-width:6}.timer-svg .timer-progress{fill:none;stroke:var(--accent-primary);stroke-width:6;stroke-linecap:round;transition:stroke-dasharray 1s linear}.timer-svg .timer-progress.focus{stroke:var(--accent-primary)}.timer-svg .timer-progress.break{stroke:#f59e0b}.timer-content{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.timer-time-large{font-size:32px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text-primary);letter-spacing:-1px}.timer-mode-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:2px}.timer-actions{display:flex;align-items:center;gap:10px}.timer-start-btn{display:flex;align-items:center;gap:8px;padding:10px 24px;background:linear-gradient(135deg,var(--accent-primary),#9a1830);border:none;border-radius:24px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #22c55e4d}.timer-start-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #22c55e66}.focus-timer{--ft-surface: rgba(255, 255, 255, .02);--ft-surface-strong: rgba(255, 255, 255, .035);--ft-border: rgba(255, 255, 255, .1);--ft-border-strong: rgba(255, 255, 255, .16);--ft-ink: rgba(250, 252, 255, .95);--ft-muted: rgba(255, 255, 255, .55);--ft-track: rgba(255, 255, 255, .13);--ft-progress-focus: rgba(246, 248, 252, .95);--ft-progress-break: rgba(214, 190, 156, .9);--ft-overlay: rgba(8, 10, 12, .72);--ft-overlay-card: rgba(20, 24, 29, .92);--ft-btn-bg: rgba(255, 255, 255, .03);--ft-btn-bg-hover: rgba(255, 255, 255, .08);--ft-btn-border: rgba(255, 255, 255, .14);--ft-btn-primary-bg: rgba(248, 250, 255, .94);--ft-btn-primary-text: rgba(13, 16, 22, .95);--ft-preset-active-bg: rgba(255, 255, 255, .14);--ft-preset-active-border: rgba(255, 255, 255, .34);width:min(100%,264px);align-self:center;display:flex;flex-direction:column;align-items:center;gap:14px;padding:16px 14px 15px;border-radius:16px;border:1px solid var(--ft-border);background:var(--ft-surface);box-shadow:inset 0 1px #ffffff0a;position:relative;overflow:hidden}.focus-timer.is-active{border-color:var(--ft-border-strong);background:var(--ft-surface-strong)}.focus-timer.is-break{border-color:#d2b89447}.focus-timer-transition-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:8;display:flex;align-items:center;justify-content:center;padding:12px;background:var(--ft-overlay);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.focus-timer-transition-card{width:100%;border-radius:12px;padding:10px;border:1px solid var(--ft-btn-border);background:var(--ft-overlay-card)}.focus-timer-transition-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.focus-timer-transition-label{font-size:10px;font-weight:650;text-transform:uppercase;letter-spacing:.1em;color:var(--ft-muted)}.focus-timer-transition-count{font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;font-weight:700;color:var(--ft-ink)}.focus-timer-transition-bar{margin-top:9px;height:6px;border-radius:999px;background:var(--ft-track);overflow:hidden}.focus-timer-transition-bar-fill{height:100%;border-radius:999px;background:var(--ft-ink);transition:width .12s linear}.focus-timer-dial{position:relative;width:126px;height:126px}.focus-timer-ring{width:100%;height:100%;transform:rotate(-90deg)}.focus-timer-track{fill:none;stroke:var(--ft-track);stroke-width:5}.focus-timer-progress{fill:none;stroke:var(--ft-progress-focus);stroke-width:5;stroke-linecap:round;transition:stroke-dasharray .35s linear}.focus-timer-progress.break{stroke:var(--ft-progress-break)}.focus-timer-center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.focus-timer-time{font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:25px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.03em;color:var(--ft-ink)}.focus-timer-mode{font-size:10px;font-weight:650;text-transform:uppercase;letter-spacing:.11em;color:var(--ft-muted)}.focus-timer-actions{width:100%;max-width:236px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.focus-timer-btn{height:40px;border-radius:11px;border:1px solid var(--ft-btn-border);background:var(--ft-btn-bg);color:var(--ft-ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease,opacity .18s ease}.focus-timer-btn.primary{background:var(--ft-btn-primary-bg);border-color:var(--ft-btn-primary-bg);color:var(--ft-btn-primary-text)}.focus-timer-btn.neutral{background:var(--ft-btn-bg)}.focus-timer-btn:hover:not(:disabled){background:var(--ft-btn-bg-hover);border-color:var(--ft-border-strong)}.focus-timer-btn.primary:hover:not(:disabled){background:#fffffffc;border-color:#fffffffc}.focus-timer-btn:focus-visible{outline:2px solid rgba(255,255,255,.45);outline-offset:1px}.focus-timer-btn:disabled{opacity:.42;cursor:not-allowed}.focus-timer-presets{width:100%;max-width:236px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.focus-timer-preset-btn{height:28px;border-radius:999px;border:1px solid var(--ft-btn-border);background:#ffffff04;color:var(--ft-muted);font-size:11px;font-weight:650;letter-spacing:.02em;cursor:pointer;transition:background .16s ease,border-color .16s ease,color .16s ease}.focus-timer-preset-btn:hover{background:var(--ft-btn-bg-hover);border-color:var(--ft-border-strong);color:var(--ft-ink)}.focus-timer-preset-btn.active{background:var(--ft-preset-active-bg);border-color:var(--ft-preset-active-border);color:var(--ft-ink)}html.light-mode .focus-timer{--ft-surface: rgba(255, 255, 255, .82);--ft-surface-strong: rgba(255, 255, 255, .96);--ft-border: rgba(12, 16, 22, .1);--ft-border-strong: rgba(12, 16, 22, .2);--ft-ink: rgba(10, 14, 20, .92);--ft-muted: rgba(10, 14, 20, .52);--ft-track: rgba(10, 14, 20, .12);--ft-progress-focus: rgba(16, 22, 30, .9);--ft-progress-break: rgba(148, 112, 72, .86);--ft-overlay: rgba(241, 243, 246, .74);--ft-overlay-card: rgba(255, 255, 255, .95);--ft-btn-bg: rgba(10, 14, 20, .04);--ft-btn-bg-hover: rgba(10, 14, 20, .08);--ft-btn-border: rgba(10, 14, 20, .14);--ft-btn-primary-bg: rgba(16, 22, 30, .92);--ft-btn-primary-text: rgba(255, 255, 255, .96);--ft-preset-active-bg: rgba(10, 14, 20, .1);--ft-preset-active-border: 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var(--transition-fast)}.quiz-option:hover{border-color:var(--accent-primary);background:#c41e3a1a}.quiz-option.selected{border-color:var(--accent-primary);background:#c41e3a33}.quiz-option.correct{border-color:var(--accent-secondary);background:#22c55e33}.quiz-option.incorrect{border-color:#ef4444;background:#ef444433}.quiz-option-number{width:32px;height:32px;border-radius:var(--radius-sm);background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:var(--font-size-sm);flex-shrink:0}.quiz-option-text{font-size:var(--font-size-sm);line-height:1.5}.quiz-footer{margin-top:var(--space-lg);text-align:center}.quiz-result{padding:var(--space-lg);border-radius:var(--radius-lg);margin-bottom:var(--space-md)}.quiz-result.correct{background:linear-gradient(135deg,#22c55e33,#22c55e0d);border:1px solid var(--accent-secondary)}.quiz-result.incorrect{background:linear-gradient(135deg,#ef444433,#ef44440d);border:1px solid #ef4444}.quiz-result-icon{font-size:48px;margin-bottom:var(--space-sm)}.quiz-result-title{font-size:var(--font-size-lg);font-weight:700}.quiz-reward{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--bg-tertiary);border-radius:var(--radius-full);font-weight:600;margin-top:var(--space-sm)}.flashcards{display:flex;flex-direction:column;gap:12px;height:100%;min-height:0}.flashcards-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.flashcards-count{font-size:12px;font-weight:800;color:var(--text-secondary)}.flashcards-actions{display:inline-flex;align-items:center;gap:8px}.flashcards-btn{width:34px;height:34px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:#ffffffdb;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .15s ease}.flashcards-btn:hover{background:#ffffff1a;border-color:#ffffff2e}.flashcard{position:relative;border-radius:16px;border:1px solid rgba(255,255,255,.12);background:radial-gradient(700px 320px at 50% 0%,#c41e3a2e,#ffffff0f);box-shadow:0 18px 50px #00000059;padding:18px;text-align:left;cursor:pointer;min-height:260px;flex:1;min-height:0;perspective:900px;transform-style:preserve-3d;transition:transform .25s ease;overflow:hidden}.flashcard:hover{transform:translateY(-1px)}.flashcard-face{position:absolute;top:0;right:0;bottom:0;left:0;padding:18px;backface-visibility:hidden;display:flex;flex-direction:column;gap:10px}.flashcard-face.back,.flashcard.flipped{transform:rotateY(180deg)}.flashcard-label{font-size:10px;font-weight:900;letter-spacing:.28px;color:#ffffff8c;text-transform:uppercase}.flashcard-text{font-size:14px;line-height:1.45;color:#ffffffeb;overflow:auto;padding-right:6px}.flashcards-nav{display:flex;align-items:center;justify-content:space-between;gap:10px}.flashcards-nav-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:#ffffffeb;cursor:pointer}.flashcards-nav-btn:disabled{opacity:.45;cursor:not-allowed}.flashcards-empty{height:100%;min-height:240px;border-radius:16px;border:1px solid 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var(--transition-fast)}.badge-item.locked{opacity:.5;filter:grayscale(1)}.badge-item:not(.locked):hover{transform:translateY(-4px);box-shadow:var(--shadow-glow)}.badge-icon{font-size:32px;margin-bottom:var(--space-sm)}.badge-name{font-size:var(--font-size-xs);font-weight:600;color:var(--text-secondary)}.milestone{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--bg-tertiary);border-radius:var(--radius-md);margin-bottom:var(--space-sm)}.milestone-icon-wrapper{position:relative}.milestone-icon{width:40px;height:40px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-lg)}.milestone-icon.completed{background:linear-gradient(135deg,var(--accent-secondary),#9a1830)}.milestone-icon.pending{background:var(--bg-elevated);border:2px dashed var(--border-medium)}.milestone-check{position:absolute;bottom:-4px;right:-4px;width:18px;height:18px;background:var(--accent-secondary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:10px;border:2px solid var(--bg-tertiary)}.milestone-info{flex:1}.milestone-name{font-size:var(--font-size-sm);font-weight:600}.milestone-desc{font-size:var(--font-size-xs);color:var(--text-muted)}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@keyframes glow{0%,to{box-shadow:0 0 5px var(--accent-primary)}50%{box-shadow:0 0 30px var(--accent-primary),0 0 60px var(--accent-primary)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes coinSpin{0%{transform:rotateY(0)}to{transform:rotateY(360deg)}}@keyframes xpGain{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-30px) scale(1.5)}}.animate-pulse{animation:pulse 2s ease-in-out infinite}.animate-bounce{animation:bounce 1s ease-in-out infinite}.animate-shake{animation:shake .5s ease-in-out}.animate-glow{animation:glow 2s ease-in-out infinite}.animate-float{animation:float 3s ease-in-out infinite}.xp-popup{position:fixed;pointer-events:none;z-index:1000;animation:xpGain 1s ease-out forwards}.xp-popup-content{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:linear-gradient(135deg,var(--accent-secondary),#9a1830);border-radius:var(--radius-full);font-weight:700;color:#fff;box-shadow:var(--shadow-lg)}.streak-calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.streak-day{aspect-ratio:1;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-xs);font-weight:500}.streak-day.active{background:linear-gradient(135deg,var(--accent-streak),var(--accent-gold));color:var(--text-primary)}.streak-day.inactive{background:var(--bg-elevated);color:var(--text-muted)}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-elevated) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.empty-state{text-align:center;padding:var(--space-2xl)}.empty-state-icon{font-size:64px;margin-bottom:var(--space-lg);opacity:.3}.empty-state-title{font-size:var(--font-size-lg);font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-sm)}.empty-state-text{font-size:var(--font-size-sm);color:var(--text-muted)}.tooltip{position:relative}.tooltip:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%);padding:var(--space-sm) var(--space-md);background:var(--bg-elevated);border-radius:var(--radius-sm);font-size:var(--font-size-xs);white-space:nowrap;opacity:0;visibility:hidden;transition:all var(--transition-fast)}.tooltip:hover:after{opacity:1;visibility:visible}.dashboard{flex:1;overflow-y:auto;padding:var(--space-xl);background:var(--bg-primary)}.dashboard-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md);margin-bottom:var(--space-xl)}.stat-card{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-lg);background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-subtle)}.stat-card-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.stat-card-info{display:flex;flex-direction:column}.stat-card-value{font-size:var(--font-size-2xl);font-weight:700}.stat-card-label{font-size:var(--font-size-sm);color:var(--text-muted)}.dashboard-section{margin-bottom:var(--space-xl)}.dashboard-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.dashboard-section-header h2{font-size:var(--font-size-xl);font-weight:600}.dashboard-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-2xl);background:var(--bg-secondary);border-radius:var(--radius-xl);border:2px dashed var(--border-medium);text-align:center}.dashboard-empty-icon{font-size:64px;margin-bottom:var(--space-lg)}.dashboard-empty h3{font-size:var(--font-size-lg);margin-bottom:var(--space-sm)}.dashboard-empty p{color:var(--text-muted);margin-bottom:var(--space-lg);max-width:300px}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-lg)}.course-card{background:var(--bg-secondary);border-radius:var(--radius-xl);overflow:hidden;cursor:pointer;transition:all var(--transition-normal);border:1px solid var(--border-subtle)}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent-primary)}.course-card-header{height:100px;display:flex;align-items:center;justify-content:center;position:relative}.course-card-icon{font-size:48px}.course-card-delete{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:var(--radius-sm);background:#0006;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:all var(--transition-fast)}.course-card:hover .course-card-delete{opacity:1}.course-card-delete:hover{background:#ef4444}.course-card-body{padding:var(--space-md)}.course-card-title{font-size:var(--font-size-base);font-weight:600;margin-bottom:var(--space-xs)}.course-card-meta{font-size:var(--font-size-sm);color:var(--text-muted);margin-bottom:var(--space-md)}.course-card-progress{display:flex;align-items:center;gap:var(--space-sm)}.course-card-progress .progress-bar{flex:1}.course-card-progress-text{font-size:var(--font-size-sm);font-weight:600;color:var(--accent-secondary)}.course-card-footer{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--bg-tertiary);font-size:var(--font-size-sm);font-weight:500;color:var(--accent-primary)}.course-card-add{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:220px;border:2px dashed var(--border-medium);background:transparent;color:var(--text-muted);gap:var(--space-sm)}.course-card-add:hover{border-color:var(--accent-primary);color:var(--accent-primary);background:#c41e3a0d}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--bg-secondary);border-radius:var(--radius-xl);padding:var(--space-xl);width:100%;max-width:440px;border:1px solid var(--border-subtle)}.modal-title{font-size:var(--font-size-xl);font-weight:600;margin-bottom:var(--space-lg)}.modal-field{margin-bottom:var(--space-lg)}.modal-field label{display:block;font-size:var(--font-size-sm);font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-sm)}.modal-field input[type=text]{width:100%;padding:var(--space-md);background:var(--bg-tertiary);border:1px solid var(--border-medium);border-radius:var(--radius-md);color:var(--text-primary);font-size:var(--font-size-base);font-family:var(--font-family)}.modal-field input[type=text]:focus{outline:none;border-color:var(--accent-primary)}.modal-field input[type=text]::placeholder{color:var(--text-muted)}.icon-picker{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.icon-option{width:40px;height:40px;border:2px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-tertiary);font-size:20px;cursor:pointer;transition:all var(--transition-fast)}.icon-option:hover{border-color:var(--accent-primary)}.icon-option.selected{border-color:var(--accent-primary);background:#c41e3a33}.color-picker{display:flex;gap:var(--space-sm)}.color-option{width:36px;height:36px;border:3px solid transparent;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast)}.color-option:hover{transform:scale(1.1)}.color-option.selected{border-color:#fff;box-shadow:0 0 0 2px var(--bg-secondary),0 0 0 4px currentColor}.modal-actions{display:flex;gap:var(--space-sm);justify-content:flex-end;margin-top:var(--space-lg)}.animate-spin,.spinning{animation:spin 1s linear infinite}.course-header-section{padding:var(--space-md);border-bottom:1px solid var(--border-subtle)}.back-btn{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:transparent;border:none;color:var(--text-muted);font-family:var(--font-family);font-size:var(--font-size-sm);cursor:pointer;border-radius:var(--radius-md);transition:all var(--transition-fast);margin-bottom:var(--space-md)}.back-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.course-info-card{display:flex;align-items:flex-start;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-lg);border:1px solid var(--border-subtle)}.course-emoji{font-size:36px;flex-shrink:0}.course-details{flex:1;min-width:0}.course-name{font-size:var(--font-size-base);font-weight:600;margin-bottom:var(--space-xs);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.course-meta{display:flex;align-items:center;gap:var(--space-sm);font-size:var(--font-size-xs);color:var(--text-muted);margin-bottom:var(--space-sm)}.course-progress-bar{height:4px}.upload-section{padding:var(--space-md);border-bottom:1px solid var(--border-subtle)}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-lg);border:2px dashed var(--border-medium);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);text-align:center}.upload-zone:hover,.upload-zone.dragging{border-color:var(--accent-primary);background:#c41e3a14}.upload-zone.dragging{transform:scale(1.02)}.upload-zone.uploading{border-style:solid;border-color:var(--accent-primary);background:#c41e3a0d;cursor:wait}.upload-icon{color:var(--text-muted);transition:color var(--transition-fast)}.upload-zone:hover .upload-icon,.upload-zone.dragging .upload-icon{color:var(--accent-primary)}.upload-text{font-size:var(--font-size-sm);color:var(--text-secondary)}.upload-text strong{color:var(--accent-primary)}.upload-hint{font-size:var(--font-size-xs);color:var(--text-muted)}.pdf-list-section{flex:1;display:flex;flex-direction:column;overflow:hidden;border-bottom:1px solid var(--border-subtle)}.section-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);cursor:pointer;-webkit-user-select:none;user-select:none}.section-header:hover{background:var(--bg-tertiary)}.section-header-left{display:flex;align-items:center;gap:var(--space-sm);font-size:var(--font-size-sm);font-weight:500;color:var(--text-secondary)}.pdf-count{padding:2px 8px;background:var(--bg-tertiary);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;color:var(--text-muted)}.pdf-list{flex:1;overflow-y:auto;padding:0 var(--space-sm) var(--space-sm)}.pdf-list-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-xl);text-align:center;color:var(--text-muted)}.pdf-list-empty svg{opacity:.3;margin-bottom:var(--space-md)}.pdf-list-empty p{font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-xs)}.pdf-list-empty span{font-size:var(--font-size-xs)}.pdf-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);margin-bottom:2px;position:relative;overflow:visible}.pdf-item:hover{background:var(--bg-tertiary)}.pdf-item.active{background:linear-gradient(135deg,#c41e3a26,#8b153814);border-left:3px solid var(--accent-primary)}.pdf-item-number{width:24px;height:24px;background:var(--bg-tertiary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-xs);font-weight:600;color:var(--text-muted);flex-shrink:0}.pdf-item.active .pdf-item-number{background:var(--accent-primary);color:#fff}.pdf-item-info{flex:1;min-width:0}.pdf-item-name{display:block;font-size:var(--font-size-sm);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.pdf-item-progress{display:flex;align-items:center;gap:var(--space-sm)}.pdf-item-progress .progress-bar.mini{flex:1;height:3px}.pdf-item-percent{font-size:10px;font-weight:600;color:var(--accent-secondary);min-width:28px;text-align:right}.pdf-reupload-warning{display:flex;align-items:center;justify-content:center;color:#f97316;animation:pulse-warning 2s infinite}@keyframes pulse-warning{0%,to{opacity:1}50%{opacity:.5}}.pdf-item.needs-reupload{opacity:.7;border-color:#f97316}.timer-section{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px 16px;border-bottom:1px solid var(--border-subtle);background:linear-gradient(180deg,rgba(196,30,58,.05),transparent)}.timer-display{position:relative;display:flex;align-items:center;justify-content:center}.timer-ring{width:140px;height:140px;transform:rotate(-90deg)}.timer-ring .timer-track{fill:none;stroke:var(--bg-elevated, rgba(255, 255, 255, .08));stroke-width:8;stroke-linecap:round}.timer-ring .timer-progress{fill:none;stroke:var(--accent-primary);stroke-width:8;stroke-linecap:round;transition:stroke-dasharray 1s linear}.timer-ring .timer-progress.focus{stroke:var(--accent-primary)}.timer-ring .timer-progress.break{stroke:#c41e3a}.timer-center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.timer-time{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text-primary);letter-spacing:-1px}.timer-mode{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.timer-buttons{display:flex;gap:var(--space-sm)}.timer-btn{width:40px;height:40px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.timer-btn.primary{background:linear-gradient(135deg,#c41e3a,#059669);color:#fff;box-shadow:0 4px 12px #10b9814d}.timer-btn.primary:hover{transform:scale(1.08);box-shadow:0 6px 16px #10b98166}.timer-btn.secondary{background:var(--bg-elevated, rgba(255, 255, 255, .08));color:var(--text-secondary);border:1px solid var(--border-medium, rgba(255, 255, 255, .1))}.timer-btn.secondary:hover{background:var(--bg-tertiary);color:var(--text-primary)}.timer-btn.success{background:linear-gradient(135deg,#c41e3a,#059669);color:#fff;box-shadow:0 2px 8px #10b9814d}.timer-btn.success:hover{transform:translateY(-2px);box-shadow:0 4px 12px #10b98166}.timer-btn.start{background:var(--accent-secondary);color:#fff}.timer-btn.start:hover{background:#9a1830}.timer-btn.pause{background:var(--accent-gold);color:#1a1a25}.timer-btn.reset{background:var(--bg-elevated);color:var(--text-secondary)}.timer-btn.reset:hover{background:var(--bg-secondary)}.timer-presets{display:flex;gap:8px;justify-content:center}.preset-btn{padding:5px 10px;background:var(--bg-secondary, rgba(255, 255, 255, .05));border:1px solid var(--border-subtle, rgba(255, 255, 255, .08));border-radius:6px;color:var(--text-muted);font-size:11px;font-weight:600;cursor:pointer;transition:all .15s ease}.preset-btn:hover{background:var(--bg-tertiary);border-color:var(--border-medium);color:var(--text-secondary)}.preset-btn.active{background:#c41e3a26;border-color:var(--accent-primary, var(--accent-primary));color:var(--accent-primary, var(--accent-primary))}.badges-section{padding:var(--space-md)}.badges-grid{display:flex;gap:var(--space-sm);flex-wrap:wrap;margin-top:var(--space-sm)}.badge-mini{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border-radius:var(--radius-md);font-size:18px;transition:transform var(--transition-fast)}.badge-mini:hover{transform:scale(1.1)}.badge-mini.locked{opacity:.3;filter:grayscale(1)}.badge-mini.unlocked{box-shadow:0 0 12px #fbbf244d}.dashboard-welcome{display:flex;align-items:center;justify-content:space-between;padding:var(--space-xl);background:linear-gradient(135deg,var(--bg-secondary),var(--bg-tertiary));border-radius:var(--radius-xl);margin-bottom:var(--space-xl);border:1px solid var(--border-subtle)}.welcome-text h1{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--space-xs)}.welcome-text p{color:var(--text-muted)}.welcome-streak{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs)}.streak-badge{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:linear-gradient(135deg,var(--accent-streak),#ea580c);border-radius:var(--radius-full);color:#fff}.streak-number{font-size:var(--font-size-xl);font-weight:700}.streak-label{font-size:var(--font-size-xs);color:var(--text-muted)}.section-subtitle{font-size:var(--font-size-sm);color:var(--text-muted);margin-top:2px}.stat-card-primary{border-left:3px solid var(--accent-primary)}.stat-card-success{border-left:3px solid var(--accent-secondary)}.stat-card-gold{border-left:3px solid var(--accent-gold)}.stat-card-purple{border-left:3px solid var(--accent-primary)}.stat-card{justify-content:space-between}.stat-card-content{display:flex;flex-direction:column}.stat-card-icon-wrapper{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border-radius:var(--radius-md);color:var(--text-muted)}.empty-illustration{margin-bottom:var(--space-lg)}.empty-circle{width:100px;height:100px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-pink));border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;margin:0 auto;color:#fff;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.9}}.btn-lg{padding:var(--space-md) 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.widget-style-reset{background:var(--light-surface);border-color:var(--light-border-soft);color:var(--light-ink-secondary)}html.light-mode .widget-style-preset:hover,html.light-mode .widget-style-preset.active,html.light-mode .widget-style-reset:hover{border-color:#d6404557;background:#d640451a;color:var(--light-ink)}html.light-mode .schedule-new-task input,html.light-mode .schedule-new-task select,html.light-mode .schedule-search input,html.light-mode .glass-field input,html.light-mode .modal-field input[type=text],html.light-mode .duo-modal-field input[type=text],html.light-mode .pdf-page-input,html.light-mode textarea,html.light-mode .sheet-formula-input,html.light-mode .sheet-cell-ref,html.light-mode .sheet-formula-fx,html.light-mode .add-bookmark-form input,html.light-mode .inline-text-editor input,html.light-mode .note-input-popup textarea,html.light-mode .rename-input{background:#fff;border-color:var(--light-border);color:var(--light-ink)}html.light-mode .inline-text-editor input{border:1px solid var(--light-border);border-bottom:2px solid rgba(214,64,69,.45);border-radius:10px;padding:8px 10px}html.light-mode .schedule-new-task input:focus,html.light-mode .schedule-new-task select:focus,html.light-mode .schedule-search input:focus,html.light-mode .glass-field input:focus,html.light-mode .modal-field input[type=text]:focus,html.light-mode .duo-modal-field input[type=text]:focus,html.light-mode .pdf-page-input:focus,html.light-mode textarea:focus,html.light-mode .sheet-formula-input:focus,html.light-mode .add-bookmark-form input:focus,html.light-mode .inline-text-editor input:focus,html.light-mode .note-input-popup textarea:focus,html.light-mode .rename-input:focus{outline:none;border-color:#d6404573;box-shadow:0 0 0 3px #d640451f}html.light-mode .schedule-new-task input::placeholder,html.light-mode .schedule-search input::placeholder,html.light-mode .glass-field input::placeholder,html.light-mode .modal-field input[type=text]::placeholder,html.light-mode .duo-modal-field input[type=text]::placeholder,html.light-mode .pdf-page-input::placeholder,html.light-mode textarea::placeholder{color:#0f172a6b}html.light-mode .notes-rich-editor h1,html.light-mode .notes-rich-editor h2,html.light-mode .notes-rich-editor h3,html.light-mode .notes-rich-editor h4,html.light-mode .notes-rich-editor th{color:#0b1324}html.light-mode .notes-rich-editor blockquote{color:var(--light-ink-secondary)}html.light-mode .notes-rich-editor pre,html.light-mode .notes-rich-editor code,html.light-mode .claude-notes-editor pre,html.light-mode .claude-notes-editor code{background:#0f172a0d;border-color:var(--light-border-soft);color:#111827}html.light-mode .sheet-tab.active{background:#fff;border-color:#16a34a;color:#166534}html.light-mode .spreadsheet-table th,html.light-mode .spreadsheet-table .row-number{background:#f7f9fc;color:#3b475d}html.light-mode .spreadsheet-table td{background:#fff;color:#111827}html.light-mode .spreadsheet-table td.sheet-cell.active{box-shadow:inset 0 0 0 2px #16a34a}html.light-mode .compact-course-card:before{opacity:.05}html.light-mode .compact-course-card:hover{box-shadow:var(--light-shadow-md)}html.light-mode .glass-modal-overlay,html.light-mode .duo-modal-overlay{background:#0f172a47}