p,li,.status-message,.alert,.toast,#upload-status-text,.modal-content-text{unicode-bidi:plaintext;text-align:start}:root{--bg-color: #0a0a1a;--bg-darker: #05050f;--surface-glass: rgba(255, 255, 255, .05);--surface-glass-heavy: rgba(255, 255, 255, .1);--primary: #6366f1;--primary-glow: rgba(99, 102, 241, .4);--secondary: #06b6d4;--accent: #f59e0b;--success: #10b981;--error: #ef4444;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border-glass: rgba(255, 255, 255, .1);--border-glass-hover: rgba(255, 255, 255, .2);--grad-primary: linear-gradient(135deg, #6366f1, #a855f7);--grad-secondary: linear-gradient(135deg, #06b6d4, #3b82f6);--grad-surface: linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .03));--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .3), 0 8px 10px -6px rgba(0, 0, 0, .3)}[data-theme=light]{--bg-color: #f8fafc;--bg-darker: #f1f5f9;--surface-glass: rgba(0, 0, 0, .02);--surface-glass-heavy: rgba(0, 0, 0, .05);--text-primary: #0f172a;--text-secondary: #64748b;--border-glass: rgba(0, 0, 0, .08);--border-glass-hover: rgba(0, 0, 0, .15);--grad-surface: linear-gradient(135deg, rgba(255, 255, 255, .9), rgba(255, 255, 255, .5))}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.5;-webkit-font-smoothing:antialiased}#app{min-height:100vh;display:flex;flex-direction:column}.splash{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-color);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:9999;transition:opacity .5s ease,visibility .5s}.splash.hidden{opacity:0;visibility:hidden}.splash-logo{width:80px;height:80px;margin-bottom:24px;animation:pulse 2s infinite 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#6366f14d}.btn-primary:hover{transform:scale(1.02);box-shadow:0 6px 20px #6366f166}.btn-primary:active{transform:scale(.98)}.btn-secondary{background:var(--surface-glass-heavy);color:var(--text-primary);border:1px solid rgba(255,255,255,.1)}.btn-secondary:hover{background:#ffffff26}.navbar{position:fixed;bottom:calc(24px + env(safe-area-inset-bottom));left:24px;right:24px;height:64px;display:flex;align-items:center;justify-content:space-around;z-index:1000;padding:0 16px}.nav-item{color:var(--text-secondary);display:flex;flex-direction:column;align-items:center;text-decoration:none;font-size:.75rem;font-weight:500;transition:color .3s ease;flex:1}.nav-item.active{color:var(--primary)}.nav-icon{font-size:1.5rem;margin-bottom:2px}.container{max-width:600px;margin:0 auto;padding:24px;padding-top:calc(24px + env(safe-area-inset-top));padding-bottom:calc(110px + env(safe-area-inset-bottom))}.input-group{margin-bottom:20px}.input-group label{display:block;margin-bottom:8px;font-size:.9rem;color:var(--text-secondary);font-weight:500}.input-field{width:100%;background:var(--surface-glass);border:1px solid rgba(255,255,255,.1);padding:14px 16px;border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:1rem;transition:all .3s ease}.input-field:focus{outline:none;border-color:var(--primary);background:#ffffff14;box-shadow:0 0 0 4px #6366f11a}.page{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.auth-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at top right,rgba(99,102,241,.15),transparent),radial-gradient(circle at bottom left,rgba(6,182,212,.1),transparent)}.auth-card{width:100%;max-width:400px}.welcome-header{margin-bottom:32px}.home-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.home-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:16px!important;min-height:140px;text-decoration:none!important;color:inherit}.home-card i{font-size:2rem;margin-bottom:8px}.home-card h3{font-size:1rem;margin-bottom:4px;color:var(--text-primary)!important;text-decoration:none!important}@media (max-width: 360px){.home-grid{gap:8px}.home-card{padding:12px!important;min-height:120px}.home-card i{font-size:1.5rem}}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.option-btn{width:100%;text-align:left;padding:16px 20px;margin-bottom:12px;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);background:var(--surface-glass);color:var(--text-primary);cursor:pointer;transition:all .2s ease;font-size:1rem}.option-btn:hover:not(:disabled){background:var(--surface-glass-heavy);border-color:#fff3;transform:translateY(-2px)}.option-btn.selected{border-color:var(--primary);background:#6366f11a}.option-btn.correct{background:#22c55e33!important;border-color:var(--success)!important;color:#fff!important}.option-btn.wrong{background:#ef44441a}#toast-container{position:fixed;top:24px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:12px;width:90%;max-width:400px}.toast{padding:16px;border-radius:var(--radius-md);background:#0f0f1ee6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;box-shadow:0 8px 32px #0006;border-left:4px solid var(--primary);animation:slideInDown .3s cubic-bezier(.175,.885,.32,1.275)}@keyframes slideInDown{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.chat-page-container{height:100dvh;display:flex;flex-direction:column;position:fixed;top:0;left:0;right:0;bottom:0;overflow:hidden;background:var(--bg-main);z-index:1000;padding-top:env(safe-area-inset-top,0px)}@media (max-width: 768px){.chat-page-container{padding-top:calc(15px + env(safe-area-inset-top))}}.chat-header{flex:0 0 auto;padding:8px 20px;background:var(--surface-glass-heavy);border-bottom:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);display:flex;align-items:center;justify-content:space-between}.chat-middle-section{flex:1 1 auto;display:flex;overflow:hidden;position:relative}.chat-sidebar{position:absolute;left:-280px;top:0;bottom:0;width:280px;flex-shrink:0;display:flex;flex-direction:column;z-index:2000;transition:left .3s cubic-bezier(.4,0,.2,1);background:#0f172a;box-shadow:10px 0 30px #00000080;border-right:1px solid rgba(255,255,255,.1);opacity:1!important}.chat-sidebar.open{left:0}.chat-messages-area{flex:1 1 auto;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;padding:20px;gap:16px;background:transparent}.chat-input-container{flex:0 0 auto;position:relative;bottom:0;width:100%;background:var(--surface-glass-heavy);border-top:1px solid rgba(255,255,255,.1);padding:12px 20px;z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);margin-bottom:15px}#chat-input{resize:none;white-space:pre-wrap;word-wrap:break-word;overflow-y:auto;max-height:120px;padding-top:12px;padding-bottom:12px;line-height:1.5;border-radius:20px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#fff;width:100%;font-size:16px!important;touch-action:manipulation}#toggle-sidebar{background:transparent!important;border:none!important;box-shadow:none!important;color:#fff!important;padding:8px!important;display:flex;align-items:center;justify-content:center}#toggle-sidebar svg{stroke:#fff!important;stroke-width:3px!important}.chat-bottom-nav{flex:0 0 auto;height:64px;background:var(--surface-glass-heavy);border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-around;align-items:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.conv-item{padding:12px;margin:4px 8px;border-radius:var(--radius-md);cursor:pointer;transition:all .2s}.conv-item.active{background:var(--grad-primary);color:#fff}.conv-item:hover:not(.active){background:#ffffff0d}body:has(.chat-page-container) .navbar:not(.chat-bottom-nav){display:none!important}.onboarding-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s ease}.onboarding-overlay.active{opacity:1;pointer-events:all}.onboarding-modal{width:90%;max-width:400px;background:var(--bg-color);border:1px solid var(--border-glass);border-radius:24px;padding:32px 24px;text-align:center;box-shadow:0 20px 40px #0006;position:relative;overflow:hidden;transform:translateY(20px) scale(.95);transition:transform .4s cubic-bezier(.175,.885,.32,1.275)}.onboarding-overlay.active .onboarding-modal{transform:translateY(0) scale(1)}.onboarding-slides{position:relative;height:220px;display:flex;align-items:center;justify-content:center;margin-bottom:24px}.onboarding-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;pointer-events:none;transition:all .4s ease;transform:translate(20px);display:flex;flex-direction:column;align-items:center;justify-content:center}.onboarding-slide.active{opacity:1;pointer-events:all;transform:translate(0)}.onboarding-slide.prev{transform:translate(-20px);opacity:0}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.onboarding-icon{font-size:3.5rem;margin-bottom:16px;animation:float 3s ease-in-out infinite}.onboarding-title{font-size:1.4rem;font-weight:700;margin-bottom:12px;color:var(--text-primary);direction:rtl}.onboarding-text{font-size:.95rem;color:var(--text-secondary);line-height:1.6;direction:rtl}.onboarding-controls{display:flex;flex-direction:column;gap:12px}.onboarding-dots{display:flex;gap:6px;justify-content:center;margin-bottom:20px}.onboarding-dot{width:8px;height:8px;border-radius:50%;background:var(--border-glass-hover);transition:background .3s ease,transform .3s ease}.onboarding-dot.active{background:var(--primary);transform:scale(1.2)}.paywall-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:99999;display:flex;align-items:flex-end;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s ease}.paywall-overlay.active{opacity:1;pointer-events:all}.paywall-modal{width:100%;max-width:520px;max-height:92dvh;overflow-y:auto;background:var(--bg-color);border:1px solid var(--border-glass);border-radius:28px 28px 0 0;padding:28px 20px 40px;position:relative;transform:translateY(60px);transition:transform .35s cubic-bezier(.175,.885,.32,1.275)}.paywall-overlay.active .paywall-modal{transform:translateY(0)}.paywall-close-btn{position:absolute;top:16px;right:16px;background:var(--surface-glass-heavy);border:none;color:var(--text-secondary);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:.85rem;display:flex;align-items:center;justify-content:center;transition:background .2s}.paywall-close-btn:hover{background:var(--border-glass-hover)}.paywall-header{text-align:center;margin-bottom:20px}.paywall-title{font-size:1.4rem;font-weight:800;background:var(--grad-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}.paywall-subtitle{font-size:.85rem;color:var(--text-secondary);direction:rtl}.paywall-plans{display:flex;flex-direction:column;gap:12px}.plan-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:16px;position:relative;transition:border-color .3s,transform .2s;direction:rtl}.plan-card:hover{border-color:var(--plan-color, rgba(255,255,255,.2));transform:translateY(-2px)}.plan-card.popular{border-color:var(--plan-color, var(--primary));box-shadow:0 0 0 1px var(--plan-color, var(--primary)),0 8px 24px #6366f140}.plan-popular-badge{position:absolute;top:-11px;right:16px;background:var(--grad-primary);color:#fff;font-size:.7rem;font-weight:700;padding:3px 10px;border-radius:20px;direction:rtl}.plan-card-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.plan-badge-icon{font-size:2rem}.plan-name{font-size:1rem;font-weight:700;color:var(--text-primary)}.plan-price{font-size:1.4rem;font-weight:800;color:var(--plan-color, var(--primary))}.plan-price span{font-size:.8rem;font-weight:500;color:var(--text-secondary)}.plan-features{list-style:none;margin-bottom:14px;display:flex;flex-direction:column;gap:5px}.plan-features li{font-size:.82rem;color:var(--text-secondary);direction:rtl}.paywall-subscribe-btn{border:none;border-radius:12px;padding:10px 20px;font-size:.9rem;font-weight:700;cursor:pointer;transition:opacity .2s,transform .2s;font-family:inherit;direction:rtl}.paywall-subscribe-btn:hover{opacity:.88;transform:scale(1.02)}.paywall-instructions{direction:rtl}.paywall-instructions-inner{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:20px;text-align:center}.paywall-instr-title{font-size:1.15rem;font-weight:800;margin-bottom:16px}.paywall-instr-step{font-size:.88rem;color:var(--text-secondary);margin-bottom:10px;text-align:right;line-height:1.6}.paywall-phone-box{background:#6366f126;border:1px solid var(--primary);border-radius:10px;padding:10px 16px;font-size:1.2rem;font-weight:800;letter-spacing:1px;color:var(--primary);margin:8px 0 14px}.paywall-tg-link{color:var(--secondary);font-weight:700;text-decoration:none}.paywall-tg-link:hover{text-decoration:underline}.tier-badge{display:inline-flex;align-items:center;gap:3px;font-size:.68rem;font-weight:700;padding:2px 7px;border-radius:20px;margin-right:6px;vertical-align:middle;white-space:nowrap}.tier-badge--beginner{background:#06b6d426;border:1px solid rgba(6,182,212,.4);color:#06b6d4}.tier-badge--premium{background:#6366f126;border:1px solid rgba(99,102,241,.5);color:#a78bfa}.tier-badge--elite{background:#f59e0b26;border:1px solid rgba(245,158,11,.5);color:#f59e0b;animation:badge-glow 2.5s ease-in-out infinite}@keyframes badge-glow{0%,to{box-shadow:0 0 #f59e0b00}50%{box-shadow:0 0 8px #f59e0b80}}.quota-pill{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;padding:3px 8px;border-radius:20px;background:#ffffff12;border:1px solid rgba(255,255,255,.1);color:var(--text-secondary)}.btn-error{background:#ef444426;color:#ef4444;border:1px solid rgba(239,68,68,.3)}.btn-error:hover{background:#ef444440}.mixed-text-container{text-align:start;unicode-bidi:plaintext;white-space:pre-wrap;line-height:1.6}.pwa-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .4s cubic-bezier(.4,0,.2,1)}.pwa-modal-overlay.active{opacity:1;visibility:visible}.pwa-modal{background:#1e1e23f2;width:90%;max-width:450px;max-height:85vh;border-radius:24px;border:1px solid rgba(255,255,255,.1);overflow-y:auto;padding:24px;position:relative;box-shadow:0 20px 40px #0006;transform:translateY(20px);transition:transform .4s cubic-bezier(.4,0,.2,1)}.pwa-modal-overlay.active .pwa-modal{transform:translateY(0)}.pwa-view{display:none;animation:fadeIn .3s ease-out}.pwa-view.active{display:block}.device-selection{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.device-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:24px 16px;text-align:center;cursor:pointer;transition:all .3s ease}.device-card:hover{background:#ffffff1a;transform:translateY(-5px);border-color:var(--primary)}.device-card i{font-size:2.5rem;display:block;margin-bottom:12px}.pwa-step{margin-bottom:24px;background:#ffffff08;border-radius:16px;padding:16px}.pwa-step img{width:100%;max-width:100%;border-radius:12px;margin-top:12px;border:1px solid rgba(255,255,255,.1)}.pwa-step-text{font-size:.95rem;color:var(--text-secondary);line-height:1.5;text-align:right;direction:rtl}.pwa-back-btn{background:none;border:none;color:var(--primary);font-weight:600;cursor:pointer;margin-bottom:16px;display:flex;align-items:center;gap:8px;padding:0}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.workspace-groups-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.workspace-group-card{position:relative;padding:20px 16px 16px;cursor:pointer;overflow:hidden;transition:transform .25s ease,border-color .25s ease}.workspace-group-card:hover{transform:translateY(-3px);border-color:var(--group-color, rgba(255,255,255,.2))}.group-color-bar{position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--radius-md) var(--radius-md) 0 0}.workspace-note-tile{padding:16px 18px;cursor:pointer;transition:transform .2s ease,border-color .2s ease}.workspace-note-tile:hover{transform:translateY(-2px);border-color:#fff3}.workspace-note-viewer{padding:28px 24px}.workspace-note-viewer .note-content-text{font-size:1.05rem;line-height:1.85;color:var(--text-primary);white-space:pre-wrap;word-wrap:break-word;letter-spacing:.01em}.workspace-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:40vh;padding:32px 20px}.synapse-exam-card{padding:18px 20px;border-radius:var(--radius-md);border:1px solid rgba(163,85,247,.3);background:linear-gradient(135deg,#6366f114,#a855f714);transition:all .3s ease}.synapse-exam-card:not(.disabled):hover{border-color:#a355f780;transform:translateY(-2px)}.synapse-exam-card.disabled{opacity:.6}.synapse-exam-card.processing{animation:synapse-pulse 2s ease-in-out infinite}@keyframes synapse-pulse{0%,to{border-color:#a355f74d;box-shadow:0 0 #a355f700}50%{border-color:#a355f799;box-shadow:0 0 20px #a355f726}}.synapse-ready-card{border-left:3px solid var(--primary)}.synapse-ready-card:hover{border-color:var(--primary)!important}.group-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:99999;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s ease}.group-modal-overlay.active{opacity:1;pointer-events:all}.group-modal{width:90%;max-width:400px;padding:28px 24px;border-radius:var(--radius-lg);transform:translateY(20px) scale(.95);transition:transform .35s cubic-bezier(.175,.885,.32,1.275)}.group-modal-overlay.active .group-modal{transform:translateY(0) scale(1)}.color-palette{display:flex;gap:10px;flex-wrap:wrap;padding:4px 0}.color-swatch{width:36px;height:36px;border-radius:50%;cursor:pointer;border:3px solid transparent;transition:all .2s ease;position:relative}.color-swatch:hover{transform:scale(1.15)}.color-swatch.selected{border-color:#fff;transform:scale(1.15);box-shadow:0 0 12px #ffffff4d}.color-swatch.selected:after{content:"✓";position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:800;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.5)}.quick-note-fab{position:fixed;bottom:calc(100px + env(safe-area-inset-bottom));right:20px;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;cursor:pointer;z-index:999;border:1px solid rgba(255,255,255,.15);box-shadow:0 4px 20px #0000004d,0 0 15px #6366f133;transition:transform .25s ease,box-shadow .25s ease;background:linear-gradient(135deg,#6366f133,#a855f726)}.quick-note-fab:hover{transform:scale(1.1);box-shadow:0 6px 24px #0006,0 0 20px #6366f14d}.quick-note-fab:active{transform:scale(.95)}.fab-dismiss{position:fixed;bottom:calc(158px + env(safe-area-inset-bottom));right:34px;width:22px;height:22px;border-radius:50%;background:#ffffff1a;border:1px solid rgba(255,255,255,.15);color:var(--text-secondary);font-size:.6rem;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:999;transition:all .2s ease}.fab-dismiss:hover{background:#ef444433;border-color:#ef444466;color:var(--error)}.quick-note-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:100000;display:flex;align-items:flex-start;justify-content:center;padding-top:calc(24px + env(safe-area-inset-top));opacity:0;pointer-events:none;transition:opacity .3s ease}.quick-note-overlay.active{opacity:1;pointer-events:all}.quick-note-card{width:92%;max-width:480px;padding:24px 20px;border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.12);background:#0d0d20f2;transform:translateY(-30px);transition:transform .35s cubic-bezier(.175,.885,.32,1.275)}.quick-note-overlay.active .quick-note-card{transform:translateY(0)}