@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Merriweather:ital,wght@0,300;0,400;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap";:root{--color-bg-primary: #0a0a14;--color-bg-secondary: #12121e;--color-bg-tertiary: #1a1a2e;--color-bg-card: rgba(30, 30, 54, .7);--color-bg-elevated: rgba(37, 37, 67, .85);--color-bg-hover: rgba(42, 42, 74, .8);--glass-bg: rgba(30, 30, 54, .45);--glass-bg-hover: rgba(30, 30, 54, .65);--glass-border: rgba(255, 255, 255, .06);--glass-border-hover: rgba(255, 255, 255, .12);--glass-blur: blur(20px);--color-surface: rgba(30, 30, 54, .6);--color-surface-hover: rgba(42, 42, 74, .7);--color-surface-active: rgba(51, 51, 90, .8);--color-text-primary: #f0f0f8;--color-text-secondary: #a8a8c0;--color-text-tertiary: #6c6c8a;--color-text-muted: #4a4a6a;--color-text-inverse: #0a0a14;--color-accent: #7c5cfc;--color-accent-hover: #8f72fd;--color-accent-muted: rgba(124, 92, 252, .12);--color-accent-glow: rgba(124, 92, 252, 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var(--glass-border)}.toast-container{position:fixed;top:20px;right:20px;z-index:var(--z-toast);display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{background:var(--glass-bg);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:14px 18px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-glass);animation:toastIn .35s cubic-bezier(.34,1.56,.64,1),toastOut .3s ease 3.5s forwards;pointer-events:all;max-width:380px}.toast-icon{width:20px;height:20px;flex-shrink:0}.toast-icon.success{color:var(--color-success)}.toast-icon.warning{color:var(--color-warning)}.toast-icon.error{color:var(--color-danger)}.toast-icon.info{color:var(--color-info)}.toast-message{font-size:var(--text-sm);color:var(--color-text-primary);flex:1}@keyframes toastIn{0%{opacity:0;transform:translate(100px) scale(.95)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes 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timerPulse{0%,to{opacity:.3}50%{opacity:.8}}.timer-btn-play{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--color-accent);color:#fff;box-shadow:0 4px 20px #7c5cfc66;transition:all var(--transition-fast)}.timer-btn-play:hover{transform:scale(1.06);box-shadow:0 6px 28px #7c5cfc80}.timer-btn-play:active{transform:scale(.95)}.timer-btn-play.running{background:var(--color-danger);box-shadow:0 4px 20px #ff453a66}.timer-btn-play.running:hover{box-shadow:0 6px 28px #ff453a80}.timer-btn-round{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);color:var(--color-text-secondary);transition:all var(--transition-fast)}.timer-btn-round:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover);color:var(--color-text-primary)}.timer-btn-round:active{transform:scale(.92)}.timer-selection{display:flex;justify-content:center}.timer-row{display:flex;gap:32px;justify-content:center;padding:16px;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg)}#page-content{animation:pageIn .35s cubic-bezier(.25,.1,.25,1)}@keyframes pageIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.fab-button{bottom:16px;right:16px;width:50px;height:50px}.notebooks-grid{grid-template-columns:repeat(2,1fr)}.nb-color-grid{grid-template-columns:repeat(4,1fr)}.notebook-notes-grid{grid-template-columns:1fr}.note-editor-panel{max-height:100vh;border-radius:0}.timer-circle-wrapper{width:200px;height:200px}.timer-time{font-size:2.5rem}.timer-ctrl-play{width:60px;height:60px}.timer-stats-row{gap:24px}.ebooks-grid{grid-template-columns:repeat(2,1fr);gap:12px}.reader-toolbar{flex-wrap:wrap;gap:8px}.reader-title{width:100%;order:-1}}@media(max-width:420px){.page-content{padding:16px}.page-header{flex-direction:column;gap:12px}.notebooks-grid{grid-template-columns:1fr}.tasks-toolbar{flex-direction:column;align-items:flex-start}.tasks-toolbar-right{margin-left:0;width:100%}.timer-circle-wrapper{width:180px;height:180px}.timer-time{font-size:2rem}.timer-mode-selector{flex-wrap:wrap;justify-content:center}.timer-mode-btn{padding:8px 16px;font-size:var(--text-xs)}.timer-controls{gap:16px}.timer-ctrl-btn{width:44px;height:44px}.timer-ctrl-play{width:56px;height:56px}.timer-stats-row{gap:16px;flex-wrap:wrap;justify-content:center}.ebooks-grid{grid-template-columns:1fr}.ebook-categories,.reader-footer{flex-wrap:wrap;justify-content:center}.mini-timer{bottom:12px;right:12px;padding:10px 14px;border-radius:var(--radius-lg)}.mini-timer-time{font-size:.9rem}.sidebar{width:100%;transform:translate(-100%);transition:transform var(--transition-base)}.sidebar.expanded-mobile{transform:translate(0)}.main-content,.main-content.sidebar-expanded-mobile{margin-left:0!important}}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;min-height:100dvh;padding:20px;background:var(--color-bg-primary)}.auth-card{width:100%;max-width:400px;padding:40px 32px;border-radius:var(--radius-xl)}.auth-header{display:flex;flex-direction:column;align-items:center;gap:16px;margin-bottom:32px}.auth-title{font-size:var(--text-2xl);font-weight:700;color:var(--color-text-primary)}.auth-subtitle{font-size:var(--text-sm);color:var(--color-text-tertiary);text-align:center}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-btn{width:100%;padding:14px;font-size:var(--text-base);font-weight:600;margin-top:8px}.auth-links{display:flex;justify-content:center;gap:16px;margin-top:8px}.auth-link{font-size:var(--text-sm);color:var(--color-accent);background:none;border:none;cursor:pointer;transition:color var(--transition-fast)}.auth-link:hover{color:var(--color-accent-hover)}.auth-error{margin-top:16px;padding:12px 16px;background:var(--color-danger-muted);border:1px solid var(--color-danger);border-radius:var(--radius-md);color:var(--color-danger);font-size:var(--text-sm);text-align:center}.user-header{display:flex;align-items:center;gap:12px;padding:12px 16px;margin:8px 12px;background:var(--glass-bg);border-radius:var(--radius-md);border:1px solid var(--glass-border)}.user-avatar{width:40px;height:40px;border-radius:50%;background:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:var(--text-sm);font-weight:600;flex-shrink:0}.user-info{flex:1;min-width:0}.user-name{font-size:var(--text-sm);font-weight:600;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:var(--text-xs);color:var(--color-text-tertiary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.timer-page{display:flex;flex-direction:column;align-items:center;gap:32px;padding:24px 0}.timer-mode-selector{display:flex;gap:8px;background:var(--glass-bg);border-radius:var(--radius-full);padding:4px}.timer-mode-btn{padding:10px 24px;border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:500;color:var(--color-text-tertiary);transition:all var(--transition-fast)}.timer-mode-btn:hover{color:var(--color-text-primary)}.timer-mode-btn.active{background:var(--color-accent);color:#fff}.timer-circle-wrapper{position:relative;width:240px;height:240px}.timer-circle{width:100%;height:100%}.timer-circle-bg{stroke:var(--color-bg-tertiary)}.timer-circle-progress{stroke:var(--color-accent);stroke-linecap:round;transition:stroke-dashoffset .3s ease}.timer-circle-inner{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.timer-time{font-size:3rem;font-weight:700;font-family:var(--font-mono);color:var(--color-text-primary);letter-spacing:2px}.timer-controls{display:flex;align-items:center;gap:20px}.timer-ctrl-btn{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--color-text-secondary);transition:all var(--transition-fast)}.timer-ctrl-btn:hover{background:var(--glass-bg-hover);color:var(--color-text-primary)}.timer-ctrl-play{width:72px;height:72px;background:var(--color-accent);color:#fff;border:none}.timer-ctrl-play:hover{background:var(--color-accent-hover)}.timer-ctrl-play.running{background:var(--color-warning)}.timer-stats-row{display:flex;gap:40px}.timer-stat-mini{display:flex;flex-direction:column;align-items:center;gap:4px}.timer-stat-val{font-size:var(--text-lg);font-weight:600;font-family:var(--font-mono)}.timer-stat-lbl{font-size:var(--text-xs);color:var(--color-text-tertiary)}.reader-view{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-modal);display:flex;flex-direction:column;background:var(--color-bg-primary)}.reader-toolbar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--glass-border)}.reader-title{flex:1;font-size:var(--text-sm);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader-toolbar-group{display:flex;align-items:center;gap:8px}.reader-toolbar-separator{width:1px;height:24px;background:var(--glass-border)}.reader-font-size{font-size:var(--text-xs);min-width:40px;text-align:center;color:var(--color-text-tertiary)}.reader-content{flex:1;overflow:hidden}#epub-reader{width:100%;height:100%}.reader-footer{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-top:1px solid var(--glass-border)}.reader-progress-bar{flex:1}.reader-slider{width:100%;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--color-bg-tertiary);border-radius:var(--radius-full);outline:none}.reader-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--color-accent);cursor:pointer}.reader-progress-text{font-size:var(--text-xs);color:var(--color-text-tertiary);min-width:40px;text-align:right}.reader-theme-btn.active{color:var(--color-accent)}.auth-divider{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--color-text-tertiary);font-size:var(--text-sm)}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--glass-border)}.btn-google{display:flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:#333;border:1px solid #ddd;font-weight:500}.btn-google:hover{background:#f5f5f5}.habit-color-btn.active,.habit-color-btn:hover{transform:scale(1.15);box-shadow:0 0 0 2px var(--color-bg-primary),0 0 0 4px currentColor}.mini-timer{position:fixed;bottom:24px;right:24px;z-index:1000;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:16px 20px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-lg);cursor:pointer;transition:all var(--transition-fast);animation:slideUp .3s ease}.mini-timer:hover{border-color:var(--color-accent);box-shadow:var(--shadow-glow)}.mini-timer-circle{position:relative;width:44px;height:44px;flex-shrink:0}.mini-timer-circle svg{width:100%;height:100%;transform:rotate(-90deg)}.mini-timer-circle .mini-bg{fill:none;stroke:var(--color-bg-tertiary);stroke-width:3}.mini-timer-circle .mini-progress{fill:none;stroke:var(--color-accent);stroke-width:3;stroke-linecap:round;transition:stroke-dashoffset .3s ease}.mini-timer-time{font-size:1.1rem;font-weight:600;font-family:var(--font-mono);color:var(--color-text-primary);min-width:50px}.mini-timer-mode{font-size:var(--text-xs);color:var(--color-text-tertiary)}.mini-timer-actions{display:flex;gap:4px}.mini-timer-btn{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--glass-border);color:var(--color-text-secondary);transition:all var(--transition-fast)}.mini-timer-btn:hover{background:var(--glass-bg-hover);color:var(--color-text-primary)}.mini-timer-btn.play-btn{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.mini-timer-btn.play-btn:hover{background:var(--color-accent-hover)}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}