:root{--navy:#1e3a60;--navy-2:#24527f;--green:#2e9b6a;--green-ink:#1f7a52;--yellow:#f2b42c;--teal:#14b8a6;--amber:#f59e0b;--sky:#0ea5e9;--ink:#16233a;--muted:#5b6577;--bg:#f5f6f7;--surface:#ffffff;--field:#f7f9fb;--line:#dde4ec;--soft-shadow:0 10px 30px rgba(22,35,58,0.06);--font-body:"IBM Plex Sans Arabic",system-ui,sans-serif;--font-head:"Readex Pro","IBM Plex Sans Arabic",system-ui,sans-serif}*{box-sizing:border-box}body,html{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased}a{color:var(--navy);font-weight:600}button,input{font:inherit}.signup{max-width:440px;margin:0 auto;min-height:100vh;padding-bottom:32px}.hero{position:relative;overflow:hidden;height:250px;background:linear-gradient(135deg,var(--navy) 0,var(--navy-2) 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.glow{position:absolute;border-radius:50%;filter:blur(36px)}.glow-teal{top:-60px;inset-inline-end:-40px;width:200px;height:200px;background:var(--teal);opacity:.22}.glow-yellow{bottom:-70px;inset-inline-start:-30px;width:160px;height:160px;background:var(--yellow);opacity:.16}.lang-btn{position:absolute;top:16px;inset-inline-end:16px;height:38px;padding:0 14px;border:0;border-radius:19px;background:rgba(255,255,255,.14);color:#fff;font-family:var(--font-head);font-size:13px;font-weight:700;cursor:pointer}.logo-box{display:block;position:relative;padding:10px 16px;background:#fff;border-radius:16px}.logo-box img{display:block;width:170px;height:auto}.tagline{margin:0;color:#fff;font-family:var(--font-head);font-size:17px;font-weight:500}.card,.tagline{position:relative}.card{margin:-28px 16px 0;padding:24px 20px;background:var(--surface);border-radius:26px;box-shadow:var(--soft-shadow);display:flex;flex-direction:column;gap:16px}.card h1{font-family:var(--font-head);font-size:22px}.card h1,.preview-note{margin:0;font-weight:600}.preview-note{align-self:flex-start;padding:4px 12px;border-radius:12px;background:#fef3c7;color:#7a5200;font-size:12.5px}.btn{height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:15px;font-weight:600;cursor:pointer}.btn-google{border:1px solid var(--line);background:#fff;color:var(--ink)}.btn-primary{margin-top:4px;height:54px;border:0;border-radius:16px;background:var(--navy);color:#fff;font-size:16px;box-shadow:0 8px 18px rgba(30,58,96,.16)}.divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.divider span{flex:1 1;height:1px;background:#e8edf2}.form{gap:16px}.form,.form label{display:flex;flex-direction:column}.form label{gap:6px;font-size:14px;font-weight:600}.form input{height:50px;padding:0 14px;border:1px solid var(--line);border-radius:14px;background:var(--field);color:var(--ink);font-size:15px;font-weight:400}.form input:focus{outline:2px solid var(--sky);outline-offset:1px;background:#fff}[dir=rtl] .form input[dir=ltr]{text-align:right}.form small{font-weight:400}.form small,.terms{color:var(--muted);font-size:12.5px}.terms{margin:0;line-height:1.7;text-align:center}.btn:disabled{cursor:not-allowed;opacity:.6}.soon-tag{padding:2px 8px;border-radius:10px;background:#eef2f6;color:var(--muted);font-size:11.5px;font-weight:600}.notice{margin:0;padding:12px 14px;border-radius:14px;font-size:14px;line-height:1.7;display:flex;flex-direction:column;gap:4px}.notice-ok{background:#eaf5ef;color:#14553a}.notice-err{background:#fdecec;color:#8a1c1c}.notice-wait{background:#fef3c7;color:#6b4700}.stack{display:flex;flex-direction:column;gap:14px}.muted{margin:0;color:var(--muted);line-height:1.7}.small{font-size:13px}a.btn{text-decoration:none}.login-line{margin:20px 0 0;text-align:center;font-size:14.5px;color:#3c475a}.pw-wrap{position:relative;display:block}.pw-wrap input{width:100%;-webkit-padding-end:48px;padding-inline-end:48px}[dir=rtl] .pw-wrap input{text-align:right}.pw-eye{position:absolute;top:50%;inset-inline-end:4px;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:12px;background:transparent;color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:pointer}.pw-eye:hover,.pw-eye[aria-pressed=true]{color:var(--navy)}.form select,.form textarea{padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--field);color:var(--ink);font:inherit;font-size:15px;font-weight:400;line-height:1.7}.form select{height:50px;padding-block:0}.form textarea{resize:vertical}.form select:focus,.form textarea:focus{outline:2px solid var(--sky);outline-offset:1px;background:#fff}.counter{align-self:flex-end}.two-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}.chip-field{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.chip-field legend{padding:0;margin-bottom:8px;font-size:14px;font-weight:600}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{min-height:38px;padding:0 14px;border:1px solid var(--line);border-radius:19px;background:#fff;color:var(--ink);font:inherit;font-size:14px;display:inline-flex;align-items:center;cursor:pointer}.chip-on{border-color:var(--navy);background:#eaf1f8;color:var(--navy);font-weight:600}.chip-green{border-color:#cfe7d9;color:var(--green-ink)}.chip-green.chip-on{border-color:var(--green);background:var(--green);color:#fff}.section-title{margin:0;font-family:var(--font-head);font-size:19px;font-weight:600}.profile{max-width:440px;margin:0 auto;min-height:100vh;padding-bottom:32px}.profile-cover{position:relative;overflow:hidden;height:172px;background:#ffffff;border-bottom:1px solid #e3e8ef}.profile-cover .glow{display:none}.profile-cover-bar{position:static;padding:26px 20px 0;display:flex;justify-content:center}.logo-small{display:block;padding:0;background:transparent;border-radius:0}.logo-small img{display:block;width:240px;max-width:70vw;height:auto}.lang-inline{position:absolute;bottom:12px;top:auto;inset-inline-end:12px;z-index:1;background:#fff;color:var(--navy);border:1px solid #d9e1ea;box-shadow:none}.profile-head{position:relative;margin-top:-52px;padding:0 20px;display:flex;flex-direction:column;gap:8px}.avatar-wrap{position:relative;width:104px;height:104px}.avatar-empty,.avatar-img{width:104px;height:104px;border-radius:50%;border:4px solid var(--bg);box-sizing:border-box;object-fit:cover;background:#dce5f0;display:flex;align-items:flex-end;justify-content:center;overflow:hidden}.avatar-btn{position:absolute;bottom:2px;inset-inline-start:2px;width:38px;height:38px;border-radius:19px;border:3px solid var(--bg);background:var(--green);display:flex;align-items:center;justify-content:center;cursor:pointer}.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.name-row{display:flex;align-items:center;gap:6px;margin-top:4px}.name-row h1{margin:0;font-size:24px;font-weight:600}.bio-card,.name-row h1{font-family:var(--font-head)}.bio-card{white-space:pre-line;unicode-bidi:plaintext;margin:4px 0 0;padding:12px 14px;border-radius:16px;background:#fff;box-shadow:var(--soft-shadow);font-size:15px;line-height:1.7;color:var(--navy)}.profile-msg{margin:14px 16px 0}.profile .card{margin:16px 16px 0}.profile-details{gap:10px}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px 12px;gap:16px 12px}.detail-grid div{display:flex;flex-direction:column;gap:2px}.detail-grid strong{font-size:15px;font-weight:600;line-height:1.6}.divider-line{height:1px;background:#edf1f5;margin:6px 0}.profile-actions{margin:16px 16px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px}.card .profile-actions{margin:4px 0 0}.profile-actions .btn-primary{margin-top:0;height:52px}.owner-badge{align-self:flex-start;padding:4px 12px;border-radius:12px;background:#fef3c7;color:#6b4700;font-size:13px;font-weight:600}.form .check-row{flex-direction:row;align-items:flex-start;gap:10px;font-weight:500;line-height:1.6;cursor:pointer}.form .check-row input{width:22px;height:22px;padding:0;margin:1px 0 0;flex-shrink:0;accent-color:var(--navy)}.app{max-width:560px;margin:0 auto;min-height:100vh;padding-bottom:40px}.app-bar{position:relative;padding:16px 16px 12px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:12px}.app-logo{display:block;flex:1 1;min-width:0}.app-logo img{display:block;width:100%;max-width:300px;height:auto}.app-lang{flex-shrink:0;height:38px;padding:0 14px;border:1px solid #d9e1ea;border-radius:19px;background:#fff;color:var(--navy);font-family:var(--font-head);font-size:13px;font-weight:700;cursor:pointer}.app-nav{display:flex;gap:6px;padding:10px 14px;background:#fff;border-top:1px solid #eef2f6;box-shadow:0 6px 18px rgba(22,35,58,.05);overflow-x:auto}.app-link{flex-shrink:0;padding:9px 14px;border-radius:12px;color:var(--muted);font-weight:600;font-size:14px;text-decoration:none}.app-link-on{background:#eaf1f8;color:var(--navy)}.app-main{padding:16px}.app-main .card{margin:0}.list-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.btn-small{height:42px;padding:0 16px;font-size:14px;margin-top:0}.btn-green{height:54px;border:0;border-radius:16px;background:var(--green);color:#fff;font-size:16px}.stepper{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:6px;gap:6px}.stepper-item{display:flex;flex-direction:column;gap:6px}.stepper-bar{height:5px;border-radius:3px;background:var(--line)}.stepper-name{font-size:12px;color:var(--muted)}.stepper-done .stepper-bar{background:var(--green)}.stepper-done .stepper-name{color:var(--green-ink);font-weight:500}.stepper-now .stepper-bar{background:var(--navy)}.stepper-now .stepper-name{color:var(--navy);font-weight:700}.list-editor{display:flex;flex-direction:column;gap:8px}.list-row{display:flex;gap:8px;align-items:center}.list-row input{flex:1 1;min-width:0}.icon-btn{flex-shrink:0;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted);font-size:20px;cursor:pointer}.link-btn{align-self:flex-start;padding:6px 0;border:0;background:transparent;color:var(--navy);font:inherit;font-size:14px;font-weight:600;cursor:pointer}.danger-text,.link-btn.danger{color:#a12626}.step-box{display:flex;flex-direction:column;gap:8px;padding:12px;border-radius:16px;background:var(--field)}.step-head{display:flex;gap:8px;align-items:center}.step-head input{flex:1 1;min-width:0;background:#fff}.step-head input.minutes{flex:0 0 86px}.step-box textarea{background:#fff}.step-num{flex-shrink:0;width:30px;height:30px;border-radius:10px;background:#e0f2fe;color:var(--navy);font-family:var(--font-head);font-weight:600;font-size:14px;display:inline-flex;align-items:center;justify-content:center}.lesson-preview h2{margin:0;font-family:var(--font-head);font-size:19px}.pledge{display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:18px;background:#fdf6e6;border:1px solid #f4e3ba;font-size:14px;line-height:1.75;cursor:pointer}.pledge input{width:22px;height:22px;margin:2px 0 0;flex-shrink:0;accent-color:var(--navy)}.form-nav{display:flex;justify-content:space-between;gap:10px}.form-nav .btn{flex:1 1;margin-top:0}.form-nav>span{flex:1 1}.lesson{display:flex;flex-direction:column;gap:14px}.lesson-cover{position:relative;overflow:hidden;height:150px;border-radius:26px;background:linear-gradient(135deg,#38bdf8,#0ea5e9);box-shadow:0 12px 28px rgba(14,165,233,.2);display:flex;align-items:flex-end;padding:16px}.lesson-cover-mark{position:relative;padding:6px 14px;border-radius:14px;background:rgba(255,255,255,.9);color:var(--navy);font-weight:700;font-size:14px}.lesson-title{margin:0;font-family:var(--font-head);font-size:25px;font-weight:600;line-height:1.4}.lesson-summary{margin:0;font-size:15.5px;line-height:1.8;color:#3c475a;white-space:pre-line}.author-row{display:flex;align-items:center;gap:10px}.author-avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;flex-shrink:0}.author-empty{display:inline-flex;align-items:center;justify-content:center;background:#eaf1f8;color:var(--navy);font-weight:700}.author-text{display:flex;flex-direction:column}.author-name{display:flex;align-items:center;gap:5px;font-weight:600}.lesson-list{margin:10px 0 0;-webkit-padding-start:20px;padding-inline-start:20px;line-height:1.9}.lesson-steps{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}.lesson-steps li{display:flex;gap:12px}.lesson-steps p{margin:4px 0 0;line-height:1.75;color:#3c475a;white-space:pre-line}.soon-box{border:1.5px dashed #cfe7d9!important}.lesson-card{display:flex;flex-direction:column;gap:10px;color:var(--ink);font-weight:400;text-decoration:none}.app-main .lesson-card+.lesson-card{margin-top:0}.lesson-card-title{font-family:var(--font-head);font-size:17px;font-weight:600;line-height:1.5}.lesson-card-summary{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}body,html{max-width:100%;overflow-x:hidden}@supports (overflow:clip){body,html{overflow-x:clip}}fieldset{min-width:0;min-inline-size:0}.form input,.form select,.form textarea{width:100%;max-width:100%;min-width:0;font-size:16px}.step-head input.minutes{width:86px}.lesson-cover{background:var(--navy);box-shadow:0 12px 28px rgba(30,58,96,.18)}.subject-art{position:absolute;inset:0;width:100%;height:100%;display:block}.lesson-card-art{position:relative;height:96px;margin:-24px -20px 0;border-radius:26px 26px 0 0;overflow:hidden}.lesson-card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px}.lesson-card-stats{display:inline-flex;gap:12px;color:var(--muted);font-weight:600}a.author-row{color:var(--ink);font-weight:400;text-decoration:none}.tried-btn{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;border:2px solid var(--green);border-radius:18px;background:#fff;color:var(--green-ink);font:inherit;text-align:start;cursor:pointer}.tried-btn.tried-on{background:var(--green);color:#fff}.tried-btn:disabled{cursor:default;opacity:.85}.tried-icon{flex-shrink:0;width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:rgba(46,155,106,.12)}.tried-on .tried-icon{background:rgba(255,255,255,.2)}.tried-text{display:flex;flex-direction:column;gap:2px}.appreciate-row{display:flex;flex-wrap:wrap;gap:8px}.appreciate{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font:inherit;font-size:14px;cursor:pointer}.appreciate.appreciate-on{border-color:var(--yellow);background:#fff7e1}.appreciate:disabled{cursor:default}.appreciate-count{min-width:22px;padding:0 6px;border-radius:999px;background:#eef2f6;font-size:12px;font-weight:700;text-align:center}.profile-lessons{margin:20px 16px 0}.profile-lessons .card{margin:0}.profile-actions>:last-child:nth-child(odd){grid-column:1/-1}.app-bar{flex-wrap:wrap;padding-bottom:0}.app-logo{order:1}.app-lang{order:2}.app-bar .app-nav{order:3;flex-grow:0;flex-shrink:0;flex-basis:calc(100% + 32px);margin:0 -16px}.lesson-grid{display:grid;grid-template-columns:minmax(0,1fr);grid-gap:14px;gap:14px}.lesson-grid .card{margin:0}@media (min-width:700px){.lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1000px){.app{max-width:none}.app-bar{flex-wrap:nowrap;gap:28px;padding:14px max(32px,calc((100vw - 1200px) / 2));box-shadow:0 6px 18px rgba(22,35,58,.06);position:-webkit-sticky;position:sticky;top:0;z-index:10}.app-logo{flex:0 0 auto}.app-logo img{width:210px}.app-bar .app-nav{order:2;flex:1 1;margin:0;padding:0;border:0;box-shadow:none;background:transparent}.app-lang{order:3}.app-link{font-size:15px;padding:10px 16px}.app-main{max-width:1200px;margin:0 auto;padding:32px}.lesson-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.lesson-card-art{height:120px}.lesson-form{max-width:760px;margin:0 auto}.lesson{max-width:820px;margin:0 auto;gap:18px}.lesson-cover{height:240px}.lesson-title{font-size:32px}.signup{max-width:none;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:auto auto;align-content:center;grid-column-gap:0;column-gap:0}.signup .hero{grid-column:1;grid-row:1/span 2;height:100vh;position:-webkit-sticky;position:sticky;top:0}.signup .hero .logo-box img{width:300px}.signup .tagline{font-size:22px}.signup>.card{grid-column:2;align-self:end;width:min(460px,calc(100% - 64px));margin:48px auto 0}.signup>.login-line{grid-column:2;align-self:start;margin-bottom:48px}.profile{max-width:1100px;padding:0 32px 48px}.profile-cover{height:210px;border-radius:0 0 28px 28px}.profile-cover-bar{padding-top:40px}.logo-small img{width:320px}.profile .card,.profile-actions,.profile-head,.profile-lessons,.profile-msg{margin-inline:0}.profile-actions{max-width:520px}}.import-box{margin:0;gap:12px;border:2px dashed #b9d7ee;background:#f5fbff;box-shadow:none}.import-text{display:flex;flex-direction:column;gap:4px}.import-box .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px}.appreciate:disabled,.tried-btn:disabled{opacity:.5;filter:grayscale(.6);cursor:not-allowed}.app-link{display:inline-flex;align-items:center;gap:8px}.app-link-icon{flex-shrink:0}@media (max-width:999.98px){.app{padding-bottom:calc(92px + env(safe-area-inset-bottom))}.app-bar{padding-bottom:12px}.app-bar .app-nav{position:fixed;left:0;right:0;bottom:0;z-index:30;margin:0;flex:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:0;gap:0;padding:6px 8px calc(8px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #e3e8ef;box-shadow:0 -6px 18px rgba(22,35,58,.06);overflow:visible}.app-link{flex-direction:column;justify-content:center;gap:3px;padding:6px 4px;font-size:12px;border-radius:12px}.app-link-on{background:transparent;color:var(--navy)}.app-link-on .app-link-icon{box-sizing:content-box;padding:3px 16px;border-radius:999px;background:#e3eef9}}.app-main .profile{min-height:0;padding:0}.app-main .profile-head{margin-top:4px;padding:0 4px}.app-main .profile .card{margin:16px 0 0}.app-main .profile-actions,.app-main .profile-lessons,.app-main .profile-msg{margin-inline:0}@media (min-width:1000px){.app-main .profile{max-width:1000px;padding:0}}.search-bar,.search-field{display:flex;gap:8px}.search-field{flex:1 1;min-width:0;align-items:center;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--muted)}.search-field:focus-within{outline:2px solid var(--sky);outline-offset:1px}.search-field input{flex:1 1;min-width:0;height:100%;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:16px}.filter-toggle{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--navy);font:inherit;font-size:14px;font-weight:600;cursor:pointer}.filter-toggle-on{border-color:var(--navy);background:#eaf1f8}.filter-count{min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--navy);color:#fff;font-size:12px;line-height:20px;text-align:center}.filter-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:8px;gap:8px;padding:12px;border-radius:18px;background:#fff;box-shadow:var(--soft-shadow)}.filter-select{width:100%;min-width:0;height:44px;padding:0 10px;border:1px solid var(--line);border-radius:12px;background:var(--field);color:var(--ink);font:inherit;font-size:16px}.filter-select.filter-on{border-color:var(--green);background:#eef8f2;color:var(--green-ink);font-weight:600}.filter-panel .link-btn{grid-column:1/-1;justify-self:start}@media (min-width:1000px){.filter-panel{grid-template-columns:repeat(5,minmax(0,1fr))}}.composer{flex-direction:row;align-items:center;gap:10px;padding:12px 14px}.composer-input{flex:1 1;min-width:0;display:flex;align-items:center;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:var(--field);color:var(--muted);font-weight:400;font-size:15px;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.composer-icon{flex-shrink:0;width:44px;height:44px;display:grid;place-items:center;border-radius:14px;background:#eef8f2;color:var(--green-ink)}.feed-avatar{flex-shrink:0;width:40px;height:40px;border-radius:50%;object-fit:cover}.composer .feed-avatar{width:44px;height:44px}.feed-avatar-empty{display:grid;place-items:center;background:#e0ecf8;color:var(--navy);font-weight:700}.feed-card{gap:12px;padding:14px 16px 12px}.feed-head{display:flex;align-items:center;gap:10px}.feed-who{display:flex;flex-direction:column;min-width:0}.feed-name{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--ink)}.feed-card .lesson-card-art{margin:0 -16px;border-radius:0}.feed-body{display:flex;flex-direction:column;gap:8px}.feed-foot{display:flex;align-items:center;gap:14px;padding-top:10px;border-top:1px solid #edf1f5;font-size:13px;color:var(--muted)}.feed-stat strong{color:var(--ink)}.feed-open{-webkit-margin-start:auto;margin-inline-start:auto;color:var(--navy);font-weight:700}.app-tools{order:2;flex-shrink:0;display:flex;align-items:center;gap:8px}@media (min-width:1000px){.app-tools{order:3}}.app-bell{position:relative;width:40px;height:40px;display:grid;place-items:center;border:1px solid #d9e1ea;border-radius:50%;background:#fff;color:var(--navy)}.app-bell-on{background:#eaf1f8;border-color:var(--navy)}.app-bell-count{position:absolute;top:-4px;inset-inline-end:-4px;min-width:20px;height:20px;padding:0 5px;border:2px solid #fff;border-radius:999px;background:#d93838;color:#fff;font-size:11px;font-weight:700;line-height:16px;text-align:center}.notif-page{max-width:680px;margin:0 auto;width:100%}.notif-list{margin:0;padding:6px;gap:2px}.notif-row{display:flex;align-items:center;gap:12px;padding:10px;border-radius:16px;color:var(--ink);font-weight:400;text-decoration:none}.notif-row:hover{background:var(--field)}.notif-new{background:#eef5fc}.notif-pic{position:relative;flex-shrink:0}.notif-pic .feed-avatar{width:44px;height:44px}.notif-kind{position:absolute;bottom:-4px;inset-inline-end:-4px;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(22,35,58,.15);font-size:12px}.notif-text{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:2px;line-height:1.6}.notif-dot{flex-shrink:0;width:10px;height:10px;border-radius:50%;background:var(--sky)}button.composer-input{font:inherit;font-size:15px;text-align:start;cursor:pointer}.composer-form{margin:0;gap:10px}.composer-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--field);color:var(--ink);font:inherit;font-size:16px;line-height:1.7;resize:vertical}.composer-form textarea:focus{outline:2px solid var(--sky);outline-offset:1px;background:#fff}.composer-kinds{display:flex;flex-wrap:wrap;gap:8px}.composer-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.composer-row .btn{flex:1 1}.post-card .feed-head{justify-content:space-between}.feed-head-link{display:flex;align-items:center;gap:10px;min-width:0;color:inherit;font-weight:400;text-decoration:none}.post-kind{flex-shrink:0;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}.post-kind-idea{background:#fff4d6;color:#8a5a00}.post-kind-question{background:#e0f2fe;color:#075985}.post-body{margin:0;font-size:16px;line-height:1.8;white-space:pre-line;overflow-wrap:anywhere}.helpful-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font:inherit;font-size:14px;cursor:pointer}.helpful-btn.helpful-on{border-color:var(--green);background:#eef8f2;color:var(--green-ink);font-weight:700}.helpful-btn:disabled{cursor:default;opacity:.6}.post-delete{-webkit-margin-start:auto;margin-inline-start:auto}.post-link{font-size:14px}.post-page{max-width:680px;margin:0 auto;width:100%}.post-page .card{margin:0}.replies{display:flex;flex-direction:column;gap:10px;padding-top:10px;border-top:1px solid #edf1f5}.reply{display:flex;align-items:flex-start;gap:8px}.reply-pic .feed-avatar{width:32px;height:32px;font-size:13px}.reply-bubble{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:2px;padding:8px 12px;border-radius:16px;background:var(--field)}.reply-name{font-size:13px;font-weight:700}.reply-body{font-size:15px;line-height:1.7;white-space:pre-line;overflow-wrap:anywhere}.reply-meta{display:flex;align-items:center;gap:10px}.reply-meta .link-btn{font-size:12px;padding:0}.reply-form{display:flex;gap:8px}.reply-form input{flex:1 1;min-width:0;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--field);color:var(--ink);font:inherit;font-size:16px}.reply-form input:focus{outline:2px solid var(--sky);outline-offset:1px;background:#fff}.reply-form .btn{flex-shrink:0}.post-card .feed-foot{flex-wrap:wrap;gap:8px}.network{max-width:720px;margin:0 auto;width:100%}.seg{display:flex;gap:4px;padding:4px;border-radius:14px;background:#e8edf3}.seg-btn{flex:1 1;min-width:0;padding:9px 8px;border:0;border-radius:11px;background:transparent;color:var(--muted);font:inherit;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap}.seg-on{background:#fff;color:var(--navy);box-shadow:0 2px 8px rgba(22,35,58,.08)}.seg-small{flex-shrink:0}.seg-small .seg-btn{flex:none;padding:7px 12px;font-size:13px}.feed-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.feed-top .section-title{margin:0}.teacher-list{margin:0;padding:4px 8px;gap:0}.teacher-row{display:flex;align-items:flex-start;gap:12px;padding:14px 8px;color:var(--ink);font-weight:400;text-decoration:none}.teacher-row+.teacher-row{border-top:1px solid #edf1f5}.feed-avatar.teacher-pic{width:56px;height:56px;font-size:20px}.teacher-info{flex:1 1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:3px}.teacher-line{font-size:14px;color:#3c475a}.follow-btn{display:inline-flex;align-items:center;gap:4px;height:38px;padding:0 18px;border:1.5px solid var(--navy);border-radius:999px;background:#fff;color:var(--navy);font:inherit;font-size:14px;font-weight:700;cursor:pointer}.follow-btn.follow-on{border-color:var(--line);background:var(--field);color:var(--muted)}.follow-btn.follow-small{height:34px;margin-top:6px;padding:0 16px}.profile-headline{margin:0;font-size:15px;color:#3c475a}.net-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px}.net-stat{color:var(--muted);font-weight:400;text-decoration:none;font-size:14px}.net-stat strong{color:var(--ink);font-size:16px}.stack>.search-field{flex:none}.feed-link{display:flex;flex-direction:column;gap:12px;color:var(--ink);font-weight:400;text-decoration:none}.save-wrap{position:relative;display:inline-flex}.save-btn{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--navy);font:inherit;font-size:14px;font-weight:600;cursor:pointer}.save-btn.save-compact{width:36px;padding:0;justify-content:center;border-color:transparent}.save-btn.save-on{color:#b7791f}.save-menu{position:absolute;bottom:calc(100% + 8px);inset-inline-end:0;z-index:40;width:250px;display:flex;flex-direction:column;gap:8px;padding:14px;border-radius:18px;background:#fff;box-shadow:0 12px 36px rgba(22,35,58,.18)}.save-item,.save-title{font-size:15px}.save-item{display:flex;align-items:center;gap:10px;padding:6px 4px;cursor:pointer}.save-item input{width:20px;height:20px;accent-color:var(--green)}.save-new{display:flex;gap:6px}.save-new input{flex:1 1;min-width:0;height:38px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:var(--field);font:inherit;font-size:16px}.save-new .btn{width:38px;height:38px;padding:0}.header-icon{width:40px;height:40px;display:grid;place-items:center;border:1px solid #d9e1ea;border-radius:50%;background:#fff;color:var(--navy)}.header-icon.header-icon-on{background:#eaf1f8;border-color:var(--navy)}.lesson-actions{display:flex;flex-wrap:wrap;gap:8px}.lesson-actions .save-menu{bottom:auto;top:calc(100% + 8px)}.quote-form{display:flex;flex-direction:column;gap:8px;padding-top:10px;border-top:1px solid #edf1f5}.quote-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;font:inherit;font-size:16px;line-height:1.7;resize:vertical}.quote-box,.quote-form textarea{background:var(--field);color:var(--ink)}.quote-box{display:flex;gap:12px;margin:0;padding:10px;border:1px solid var(--line);border-radius:16px;font-weight:400;text-decoration:none}.quote-art{position:relative;flex-shrink:0;width:84px;height:64px;border-radius:12px;overflow:hidden}.quote-text{display:flex;flex-direction:column;gap:4px;min-width:0}.quote-clip{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.post-kind-share{background:#e6f6f3;color:#0f766e}.room-tag{align-self:flex-start;padding:3px 10px;border-radius:999px;background:#eaf1f8;color:var(--navy);font-size:13px;font-weight:700;text-decoration:none}.achievements{gap:14px}.streak{display:flex;align-items:center;gap:12px;padding:12px;border-radius:16px;background:linear-gradient(135deg,#fff7e1,#ffefd0)}.streak-flame{font-size:30px}.streak-off{filter:grayscale(1);opacity:.5}.streak-text{display:flex;flex-direction:column;gap:2px}.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));grid-gap:8px;gap:8px}.badge{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 6px;border-radius:14px;background:var(--field);text-align:center;opacity:.55;filter:grayscale(.8)}.badge.badge-on{opacity:1;filter:none;background:#eef8f2;box-shadow:inset 0 0 0 1px #bfe3cf}.badge-icon{font-size:26px}.badge-name{font-size:12px;font-weight:700;line-height:1.4}.badge-progress{font-size:11px;color:var(--muted)}.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:12px;gap:12px}.card.room-card{margin:0;padding:0 0 12px;gap:8px;overflow:hidden;color:var(--ink);font-weight:400;text-decoration:none;align-items:stretch}.room-art{position:relative;height:70px;display:block}.room-body{display:flex;flex-direction:column;gap:2px;padding:0 12px}.room-card .follow-btn{margin:0 12px;justify-content:center}.room-hero{overflow:hidden;min-height:170px;border-radius:26px;align-items:flex-end;justify-content:space-between;gap:12px;padding:18px;color:#fff}.room-hero,.room-hero-text{position:relative;display:flex}.room-hero-text{flex-direction:column;gap:2px;padding:8px 12px;border-radius:14px;background:rgba(15,23,42,.35)}.room-hero-text h1{margin:0;font-size:22px}.room-join{position:relative;background:#fff}.room-page{max-width:820px;margin:0 auto;width:100%}.improve{gap:12px;background:linear-gradient(180deg,#f5fbff,#ffffff 60%);box-shadow:inset 0 0 0 1px #d6eafb,var(--soft-shadow)}.improve-head{display:flex;align-items:center;gap:12px}.improve-spark{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;background:#fff4d6;font-size:22px;flex-shrink:0}.improve-text{display:flex;flex-direction:column;gap:2px}.improve-loading{display:flex;align-items:center;gap:8px}.spinner-dark{border-color:rgba(30,58,96,.2);border-top-color:var(--navy);display:inline-block}.improve-body{display:flex;flex-direction:column;gap:12px}.improve-section{padding:12px 14px;border-radius:14px;background:var(--field)}.improve-section p,.improve-section ul{margin:6px 0 0;line-height:1.8}.improve-section ul{-webkit-padding-start:20px;padding-inline-start:20px}@media (max-width:999.98px){.lesson-actions .save-menu,.save-menu{position:fixed;top:auto;left:16px;right:16px;bottom:calc(96px + env(safe-area-inset-bottom));width:auto;z-index:60}}