html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;text-rendering:optimizeLegibility}:root{--navy: #0B1623;--navy2: #162436;--navy3: #1E3148;--teal: #00C9A7;--teal2: #00A688;--teal3: #007A65;--teal-glow: rgba(0,201,167,.18);--white: #FFFFFF;--grey1: #E8ECF0;--grey2: #C4C9D0;--grey3: #8892A0;--grey4: #4A5568;--danger: #FF5C5C;--warn: #FFC107;--success:#4CAF50;--font-d: "Syne", "Plus Jakarta Sans", sans-serif;--font-b: "Plus Jakarta Sans", sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-teal: 0 4px 24px rgba(0,201,167,.15);--shadow-card: 0 2px 12px rgba(0,0,0,.3);--border-subtle: 1px solid rgba(255,255,255,.07);--border-teal: 1px solid rgba(0,201,167,.25)}html,body{height:100%;background:var(--navy)}#root{height:100%;font-family:var(--font-b);font-size:14px;line-height:1.5;color:var(--white)}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#00c9a74d;border-radius:99px}::-webkit-scrollbar-thumb:hover{background:#00c9a780}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fu{animation:fadeUp .4s cubic-bezier(.16,1,.3,1) both}.fi{animation:fadeIn .3s ease both}.btn-primary{background:var(--teal);color:var(--navy);border:none;border-radius:var(--radius-md);padding:13px 20px;font-family:var(--font-d);font-weight:800;font-size:14px;cursor:pointer;transition:all .2s;letter-spacing:.02em;box-shadow:0 4px 16px #00c9a740}.btn-primary:hover{background:var(--teal2);transform:translateY(-1px);box-shadow:0 6px 20px #00c9a759}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{background:#00c9a733;color:var(--grey3);box-shadow:none;transform:none;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--grey3);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:7px 13px;font-family:var(--font-b);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.btn-ghost:hover{color:var(--white);border-color:#ffffff38;background:#ffffff0d}.btn-teal-outline{background:#00c9a712;color:var(--teal);border:1px solid rgba(0,201,167,.22);border-radius:var(--radius-sm);padding:7px 13px;font-family:var(--font-b);font-weight:600;font-size:13px;cursor:pointer;transition:all .2s}.btn-teal-outline:hover{background:#00c9a724;border-color:#00c9a766}.card{background:var(--navy2);border:var(--border-subtle);border-radius:var(--radius-lg);padding:18px 20px;box-shadow:var(--shadow-card)}.card-glow{background:var(--navy2);border:var(--border-teal);border-radius:var(--radius-lg);padding:18px 20px;box-shadow:var(--shadow-teal)}.pill{display:inline-flex;align-items:center;gap:5px;border-radius:99px;padding:3px 10px;font-size:10px;font-weight:700;letter-spacing:.03em}.pill-teal{background:#00c9a71a;color:var(--teal);border:1px solid rgba(0,201,167,.2)}.pill-green{background:#4caf501a;color:#4caf50;border:1px solid rgba(76,175,80,.25)}.pill-yellow{background:#ffc1071a;color:#ffc107;border:1px solid rgba(255,193,7,.25)}.pill-red{background:#ff5c5c1a;color:#ff5c5c;border:1px solid rgba(255,92,92,.25)}.section-label{font-size:10px;font-weight:700;color:var(--grey3);letter-spacing:.14em;text-transform:uppercase}.inp-style{width:100%;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:13px 16px;color:var(--white);font-size:14px;font-family:var(--font-b);font-weight:500;outline:none;transition:border-color .2s,background .2s}.inp-style:focus{border-color:#00c9a780;background:#00c9a70a}.inp-style::placeholder{color:#8892a080}.rp-nav{padding:14px 24px;border-bottom:1px solid rgba(255,255,255,.07);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#0b1623f2;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:10}.rp-container{width:100%;max-width:1100px;margin:0 auto;padding:0 56px}.rp-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}.rp-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px}.rp-grid-4{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media (min-width: 1024px){.rp-nav{padding:16px 56px}.rp-grid-4{grid-template-columns:repeat(4,1fr)}.rp-desktop-2col{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.rp-desktop-3col{grid-template-columns:repeat(3,1fr)!important;gap:20px!important}.rp-sidebar-layout{flex-direction:row!important;height:calc(100vh - 57px)!important}.rp-sections-panel{width:230px!important;flex-direction:column!important;overflow-y:auto!important;overflow-x:hidden!important;border-right:1px solid rgba(255,255,255,.07)!important;border-bottom:none!important}.rp-editor-panel{overflow:hidden}.rp-ai-panel{width:310px!important;border-left:1px solid rgba(255,255,255,.07)!important;border-top:none!important}.rp-hide-desktop{display:none!important}.rp-show-desktop{display:block!important}.rp-chapters-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px!important}.rp-students-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.auth-panel-left{display:flex!important}.auth-logo-mobile{display:none!important}}@media (min-width: 640px) and (max-width: 1023px){.rp-container{max-width:860px;padding:0 36px}.rp-nav{padding:13px 28px}.rp-sidebar-layout{flex-direction:row!important;height:calc(100vh - 57px)!important}.rp-sections-panel{width:180px!important;flex-direction:column!important;overflow-y:auto!important;overflow-x:hidden!important;border-right:1px solid rgba(255,255,255,.07)!important;border-bottom:none!important}.rp-ai-panel{width:250px!important;border-left:1px solid rgba(255,255,255,.07)!important;border-top:none!important}}@media (max-width: 639px){.rp-container{padding:0 16px}.rp-sidebar-layout{flex-direction:column!important;height:auto!important;overflow:visible!important}.rp-sections-panel{width:100%!important;flex-direction:row!important;overflow-x:auto!important;overflow-y:hidden!important;border-right:none!important;border-bottom:1px solid rgba(255,255,255,.07)!important}.rp-ai-panel{width:100%!important;border-left:none!important;border-top:1px solid rgba(255,255,255,.07)!important}.rp-show-desktop{display:none!important}.rp-grid-3{grid-template-columns:repeat(3,1fr)}}.auth-panel-left{display:none;flex:0 0 46%;flex-direction:column;padding:60px 56px;background:linear-gradient(160deg,#0d3b33,#0b2a2a 60%,#061a1a);position:relative;overflow:hidden}.auth-logo-mobile{display:block}[contenteditable]:empty:before{content:attr(data-placeholder);color:#9ca3af;pointer-events:none;display:block;font-family:Georgia,serif;font-style:italic}[contenteditable] h2{font-size:20px;font-weight:700;color:#111827;margin:14px 0 6px}[contenteditable] h3{font-size:16px;font-weight:700;color:#374151;margin:10px 0 4px}[contenteditable] p{margin:0 0 8px;color:#111827}[contenteditable] ul,[contenteditable] ol{padding-left:24px;margin:6px 0 10px;color:#111827}[contenteditable] li{margin-bottom:4px;line-height:1.9}[contenteditable] strong{color:#111827;font-weight:700}[contenteditable] em{color:#374151}[contenteditable]{caret-color:#00c9a7}