:root{--bk:#3267e3;--ink:#172033;--muted:#697386;--line:#e7eaf0;--soft:#f6f8fc}
.bksp-hero{max-width:1120px;margin:25px auto 35px;padding:65px 55px;border-radius:30px;background:linear-gradient(135deg,#eef4ff,#faf8ff);display:grid;grid-template-columns:1.3fr .7fr;gap:35px;align-items:center;color:var(--ink)}
.bksp-hero h1{font-size:clamp(40px,5vw,66px);line-height:1.02;letter-spacing:-.045em;margin:8px 0 18px}.bksp-hero h1 b{color:var(--bk)}.bksp-hero p{font-size:18px;line-height:1.7;color:var(--muted);max-width:650px}.bksp-eyebrow{font-size:11px;font-weight:900;letter-spacing:.16em;color:var(--bk)}
.bksp-btn{display:inline-block;background:var(--bk);color:#fff!important;text-decoration:none;border:0;border-radius:12px;padding:12px 20px;font-weight:800;cursor:pointer;box-shadow:0 8px 20px rgba(50,103,227,.18)}.bksp-btn.ghost{background:#fff;color:var(--ink)!important;margin-left:8px;box-shadow:none;border:1px solid var(--line)}
.bksp-hero-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:0 18px 50px rgba(30,40,65,.08)}.bksp-symbol{font-size:40px;color:var(--bk);width:70px;height:70px;border-radius:20px;background:#eef3ff;display:grid;place-items:center}.bksp-hero-card h3{margin:20px 0 5px}.bksp-hero-card p{font-size:14px}.bksp-trust{font-size:12px;font-weight:800}
.bksp-benefits{max-width:1120px;margin:0 auto 60px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden}.bksp-benefits>div{padding:22px 25px;border-right:1px solid var(--line);display:grid;gap:4px}.bksp-benefits>div:last-child{border:0}.bksp-benefits b{font-size:11px;color:var(--bk)}.bksp-benefits span,.bksp-card p,.bksp-section-head p,.bksp-muted{color:var(--muted)}
.bksp-section,.bksp-how,.bksp-dashboard,.bksp-history,.bksp-auth,.bksp-contact,.bksp-chat{max-width:1120px;margin:35px auto}.bksp-section-head{margin-bottom:22px}.bksp-section-head h2,.bksp-how h2{font-size:34px;margin:6px 0}
.bksp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.bksp-card{padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 10px 30px rgba(25,35,55,.05)}.bksp-card-top{display:flex;justify-content:space-between;align-items:start}.bksp-card-top img,.bksp-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover}.bksp-avatar{display:grid;place-items:center;background:#eef3ff;color:var(--bk);font-weight:900;font-size:26px}.bksp-pill{font-size:11px;font-weight:800;padding:6px 9px;border:1px solid var(--line);border-radius:20px}.bksp-pill i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#98a2b3;margin-right:5px}.bksp-pill.on i{background:#16a56a}.bksp-card h3{margin:17px 0 4px}.bksp-spec{font-size:13px;color:var(--bk);font-weight:800}.bksp-card p{line-height:1.6;min-height:52px}.bksp-card small{color:#8992a2}.bksp-action{margin-top:18px}.bksp-muted{font-size:13px;font-weight:700}
.bksp-how{padding:45px 0}.bksp-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:25px}.bksp-steps>div{padding:24px;border:1px solid var(--line);border-radius:18px}.bksp-steps b{width:36px;height:36px;display:grid;place-items:center;background:#eef3ff;color:var(--bk);border-radius:10px}
.bksp-auth{max-width:520px;padding:30px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 15px 45px rgba(25,35,55,.07)}.bksp-auth h2{margin:7px 0}.bksp-auth p{color:var(--muted)}.bksp-form label{display:block;font-weight:800;margin:15px 0}.bksp-form input,.bksp-form textarea,.bksp-form select{width:100%;box-sizing:border-box;margin-top:7px;padding:12px 14px;border:1px solid #dfe4ec;border-radius:11px}.bksp-form .bksp-btn{width:100%}.bksp-check{font-size:12px;color:var(--muted)}.bksp-check input{width:auto!important}.bksp-result{font-size:13px;margin-top:10px}.bksp-alert{max-width:900px;margin:25px auto;padding:16px 18px;background:var(--soft);border:1px solid var(--line);border-radius:12px}
.bksp-dashhero{padding:30px;border-radius:22px;background:linear-gradient(135deg,#f0f5ff,#fbf9ff);margin-bottom:25px}.bksp-dashhero h2{margin:7px 0}.bksp-dash-links{margin-top:16px}
.bksp-inbox{padding:22px;border:1px solid var(--line);border-radius:20px;background:#fff}.bksp-inbox-row{display:flex;align-items:center;gap:12px;padding:14px 4px;border-top:1px solid var(--line);text-decoration:none;color:inherit}.bksp-inbox-row span:nth-child(2){flex:1}.bksp-inbox-row small{display:block;color:#8992a2}.bksp-mini{width:44px;height:44px;border-radius:50%;background:#eef3ff;color:var(--bk);display:grid;place-items:center;font-weight:900}.bksp-unread{background:#eaf8f0;color:#16834f;padding:5px 8px;border-radius:20px;font-size:11px}
.bksp-chat{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;box-shadow:0 15px 45px rgba(25,35,55,.07)}.bksp-chat-head{display:flex;gap:12px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}.bksp-chat-head img,.bksp-chat-head .bksp-mini{width:46px;height:46px;border-radius:50%;object-fit:cover}.bksp-live{display:block;font-size:12px;color:#8992a2}.bksp-live.on{color:#16a56a}.bksp-chat-meta{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:#fbfcfe;border-bottom:1px solid var(--line);font-size:12px;font-weight:800}.bksp-chat-meta select{margin-left:8px;padding:7px;border:1px solid var(--line);border-radius:9px}.bksp-messages{height:460px;overflow-y:auto;padding:20px;background:#f7f9fc}.bksp-msg{max-width:72%;padding:11px 14px;border-radius:15px;margin:8px 0;line-height:1.5}.bksp-msg.mine{margin-left:auto;background:var(--bk);color:#fff;border-bottom-right-radius:4px}.bksp-msg.theirs{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}.bksp-msg small{display:block;font-size:10px;opacity:.65;margin-top:4px}.bksp-chat-form{padding:15px;display:grid;grid-template-columns:1fr auto;gap:10px;border-top:1px solid var(--line)}.bksp-chat-form .bksp-result{grid-column:1/-1}
.bksp-history{padding:30px;border:1px solid var(--line);border-radius:22px;background:#fff}.bksp-history-row{display:flex;align-items:center;gap:12px;padding:15px 0;border-top:1px solid var(--line)}.bksp-history-row div{flex:1}.bksp-history-row small{display:block;color:#8992a2}.bksp-history-row a{font-weight:800;color:var(--bk);text-decoration:none}.bksp-contact{padding:35px;border:1px solid var(--line);border-radius:22px;background:#fff}.bksp-contact p{color:var(--muted);line-height:1.7}
@media(max-width:800px){.bksp-hero{grid-template-columns:1fr;padding:40px 25px}.bksp-grid,.bksp-steps{grid-template-columns:1fr 1fr}.bksp-benefits{grid-template-columns:1fr}.bksp-benefits>div{border-right:0;border-bottom:1px solid var(--line)}}@media(max-width:560px){.bksp-grid,.bksp-steps{grid-template-columns:1fr}.bksp-chat-form{grid-template-columns:1fr}.bksp-msg{max-width:88%}.bksp-btn.ghost{margin-left:0;margin-top:8px}}

.bksp-page-shell{max-width:1180px;margin:0 auto;padding:42px 24px 70px}
.bksp-page-shell>.bksp-page-title{font-size:42px;line-height:1.1;margin:0 0 24px;color:#17385f}
.bksp-auth,.bksp-contact,.bksp-history,.bksp-chat,.bksp-dashboard,.bksp-section,.bksp-how{max-width:none}
.bksp-section{padding:0}.bksp-section-head{padding:0}
.bksp-card{transition:transform .18s ease,box-shadow .18s ease}.bksp-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(25,35,55,.09)}
.bksp-alert a{font-weight:800;color:var(--bk)}
.bksp-dash-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.bksp-chat-form textarea{min-height:48px;resize:vertical}
.bksp-form input:focus,.bksp-form textarea:focus,.bksp-form select:focus{outline:none;border-color:#3267e3;box-shadow:0 0 0 3px rgba(50,103,227,.10)}
@media(max-width:900px){.bksp-page-shell{padding:30px 18px 50px}.bksp-page-shell>.bksp-page-title{font-size:34px}}
.bksp-help{display:block;font-size:11px!important;color:#7b8fa4!important;font-weight:500!important;margin-top:4px!important}.bksp-password-wrap{position:relative}.bksp-password-wrap input{padding-right:90px!important}.bksp-show-pass{position:absolute;right:8px;top:8px;height:33px;padding:0 10px;border:1px solid #d5e1ed;border-radius:8px;background:#f6f9fc;color:#2567c8;font-size:11px;font-weight:800;cursor:pointer}.bksp-result.is-error{color:#a23d3d;background:#fff5f5;border:1px solid #f0d1d1;padding:10px 12px;border-radius:9px;margin-top:12px}.bksp-result.is-success{color:#146d4d;background:#f1fbf7;border:1px solid #c9ebdc;padding:10px 12px;border-radius:9px;margin-top:12px}

.bksp-btn:disabled{opacity:.65;cursor:not-allowed}.bksp-result{margin-top:12px}.bksp-result.is-error{color:#b42318;background:#fff1f0;border:1px solid #ffd2ce;padding:11px 13px;border-radius:10px}.bksp-result.is-success{color:#087443;background:#ecfdf3;border:1px solid #b7ebcc;padding:11px 13px;border-radius:10px}

.bksp-profile-edit img{background:#eef5fb}.bksp-profile-form{margin-top:20px}.bksp-profile-form input{height:43px}.bksp-realtime{white-space:nowrap}.bksp-empty{border:1px dashed var(--line);border-radius:15px}.bksp-teacher-register{border-top:4px solid var(--bk)}
@media(max-width:900px){.bksp-profile-form{grid-template-columns:1fr 1fr}.bksp-profile-form .bksp-btn{width:100%}}@media(max-width:560px){.bksp-profile-form{grid-template-columns:1fr}.bksp-realtime{display:none}}

/* BKita v4.1 — modern student dashboard */
.bksp-student-v2{max-width:1180px!important;margin:30px auto 70px!important}
.bksp-student-welcome{position:relative;overflow:hidden;display:grid;grid-template-columns:1.35fr .65fr;min-height:300px;padding:42px 44px;border-radius:28px;background:linear-gradient(120deg,#0e3970 0%,#1d63b9 54%,#52b9e9 100%);color:#fff;box-shadow:0 24px 55px rgba(26,75,128,.18)}
.bksp-student-welcome:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-90px;top:-130px;background:rgba(255,255,255,.12)}
.bksp-welcome-copy{position:relative;z-index:2;max-width:680px}.bksp-student-welcome .bksp-eyebrow{color:#bde9ff}.bksp-student-welcome h1{font-size:46px;line-height:1.08;margin:10px 0 12px;color:#fff}.bksp-student-welcome h1 span{color:#80dcff}.bksp-student-welcome p{max-width:620px;color:#e6f4ff;font-size:15px;line-height:1.7;margin:0}.bksp-quick-actions{display:flex;gap:10px;margin-top:24px}.bksp-student-welcome .bksp-btn{background:#fff;color:#155bab!important;box-shadow:0 10px 25px rgba(0,0,0,.13)}.bksp-student-welcome .bksp-btn.ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);color:#fff!important}.bksp-welcome-art{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:210px}.bksp-welcome-art>span{font-size:92px;transform:rotate(-8deg);filter:drop-shadow(0 15px 18px rgba(0,0,0,.18));position:relative;z-index:3}.bksp-welcome-art small{position:absolute;bottom:8px;right:5px;text-align:right;color:#e8f7ff;font-size:10px;line-height:1.5}.bksp-art-circle{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.25)}.bksp-art-circle.c1{width:210px;height:210px}.bksp-art-circle.c2{width:130px;height:130px;background:rgba(255,255,255,.08)}
.bksp-student-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin:18px 0 25px}.bksp-stat-card{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #e2eaf2;border-radius:17px;padding:16px;box-shadow:0 10px 25px rgba(28,53,79,.045)}.bksp-stat-card b{display:block;font-size:22px;color:#17385f;line-height:1.1}.bksp-stat-card small{display:block;color:#788da3;font-size:10px;margin-top:5px;line-height:1.3}.bksp-stat-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-size:18px;flex:none}.bksp-stat-icon.blue{background:#eaf3ff;color:#1677ee}.bksp-stat-icon.green{background:#eafaf3;color:#14a36b;font-size:17px}.bksp-stat-icon.purple{background:#f0ecff;color:#7658df}.bksp-stat-icon.gold{background:#fff6df;color:#bd8b15}
.bksp-student-main-grid{display:grid;grid-template-columns:290px 1fr;gap:24px;align-items:start}.bksp-student-profile-card{overflow:hidden;background:#fff;border:1px solid #e1e9f1;border-radius:22px;box-shadow:0 15px 40px rgba(25,45,70,.06)}.bksp-profile-cover{height:76px;background:linear-gradient(135deg,#d9efff,#eaf1ff)}.bksp-profile-body{position:relative;padding:0 22px 23px}.bksp-photo-picker{position:relative;width:92px;height:92px;margin:-46px 0 17px}.bksp-photo-picker img{width:92px;height:92px;object-fit:cover;border-radius:50%;border:5px solid #fff;background:#eaf3ff;box-shadow:0 8px 22px rgba(25,55,85,.13)}.bksp-camera{position:absolute;right:-2px;bottom:1px;width:30px;height:30px;border-radius:50%;background:#1677ee;color:#fff;display:grid;place-items:center;border:3px solid #fff;font-size:13px;cursor:pointer;box-shadow:0 5px 12px rgba(22,119,238,.28)}.bksp-camera input{display:none}.bksp-uploading{position:absolute;left:103px;top:30px;display:none;font-size:10px;color:#1677ee;white-space:nowrap}.bksp-uploading.show{display:block}.bksp-profile-body h3{font-size:21px;margin:7px 0 2px;color:#17385f}.bksp-profile-email{font-size:11px;color:#8394a6;word-break:break-word}.bksp-profile-form{display:block!important}.bksp-profile-form label{display:block;font-size:10px;font-weight:800;color:#516b84;margin-top:15px}.bksp-profile-form input{width:100%;box-sizing:border-box;height:42px;border:1px solid #dce6ef;border-radius:10px;padding:0 11px;margin-top:6px}.bksp-profile-form .bksp-btn{width:100%;margin-top:10px}.bksp-photo-note{font-size:9px;color:#94a2b0;line-height:1.5;margin-top:12px}.bksp-student-content{min-width:0}.bksp-student-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:15px}.bksp-student-section-head h2{font-size:31px;color:#17385f;margin:5px 0}.bksp-student-section-head p{font-size:12px;color:#71869c;margin:0;line-height:1.5}.bksp-online-key{font-size:10px;font-weight:800;color:#16a36b;white-space:nowrap}.bksp-online-key i{display:inline-block;width:8px;height:8px;background:#18b276;border-radius:50%;margin-right:5px}.bksp-student-content .bksp-section{margin:0!important}.bksp-student-content .bksp-section-head{display:none}.bksp-student-content .bksp-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.bksp-student-content .bksp-card{padding:19px;border-radius:18px}.bksp-student-content .bksp-card-top img,.bksp-student-content .bksp-avatar{width:64px;height:64px}.bksp-student-content .bksp-card h3{font-size:17px;margin:12px 0 3px}.bksp-student-content .bksp-card p{font-size:11px;min-height:42px;margin-bottom:5px}.bksp-student-content .bksp-spec{font-size:11px}.bksp-student-content .bksp-action{margin-top:13px}.bksp-student-content .bksp-btn{padding:9px 14px;font-size:11px}.bksp-student-tip{display:flex;align-items:center;gap:14px;margin-top:25px;padding:18px 20px;background:#eef7ff;border:1px solid #d4e8fa;border-radius:18px}.bksp-tip-icon{width:38px;height:38px;border-radius:11px;background:#fff;display:grid;place-items:center;flex:none}.bksp-student-tip b{font-size:12px;color:#214f78}.bksp-student-tip p{font-size:10px;color:#6d8296;margin:4px 0 0}.bksp-student-tip a{margin-left:auto;color:#1677ee;font-size:10px;font-weight:850;text-decoration:none;white-space:nowrap}
@media(max-width:900px){.bksp-student-welcome{grid-template-columns:1fr;padding:34px 28px}.bksp-welcome-art{display:none}.bksp-student-stats{grid-template-columns:repeat(2,1fr)}.bksp-student-main-grid{grid-template-columns:1fr}.bksp-student-profile-card{max-width:100%}}
@media(max-width:600px){.bksp-student-welcome h1{font-size:34px}.bksp-quick-actions{flex-direction:column}.bksp-quick-actions .bksp-btn{width:100%;text-align:center;box-sizing:border-box}.bksp-student-stats{grid-template-columns:1fr 1fr}.bksp-student-section-head{align-items:start;flex-direction:column}.bksp-student-content .bksp-grid{grid-template-columns:1fr}.bksp-student-tip{align-items:flex-start;flex-wrap:wrap}.bksp-student-tip a{margin-left:52px}.bksp-photo-picker{margin-top:-42px}}

/* v4.2.0: single login for students and BK teachers */
.bksp-login-note{margin:16px 0 6px;padding:14px 16px;border:1px solid #dbe7f5;border-radius:14px;background:#f7fbff;display:flex;gap:12px;flex-wrap:wrap;align-items:center;color:#173b67;font-weight:700}.bksp-login-note span{padding:7px 10px;border-radius:999px;background:#fff;border:1px solid #dbe7f5}.bksp-login-note small{width:100%;font-weight:500;color:#64748b}

/* v4.2.1 - single login: one registration action below login */
.bksp-login-register{margin-top:16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px}
.bksp-register-btn{display:flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:14px;border:2px solid #2f67d8;background:#fff;color:#1d4f9a;font-weight:800;text-decoration:none;box-sizing:border-box;transition:.2s ease}
.bksp-register-btn:hover{background:#eef5ff;color:#17478e;transform:translateY(-1px)}
.bksp-login-register small{color:#71809a;font-size:13px;line-height:1.5}

/* v4.2.2 registration choice */
.bksp-register-choice{text-align:center}.bksp-register-choice>p{max-width:700px;margin:0 auto 24px}.bksp-register-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:left}.bksp-register-option{display:block;padding:22px;border:1px solid #dbe7f5;border-radius:18px;background:#fff;text-decoration:none;color:#173b67;transition:.2s}.bksp-register-option:hover{border-color:#1677ee;box-shadow:0 10px 24px rgba(22,119,238,.10);transform:translateY(-2px)}.bksp-register-option strong{display:block;font-size:16px;margin-bottom:8px}.bksp-register-option small{display:block;color:#71809a;line-height:1.55}@media(max-width:650px){.bksp-register-options{grid-template-columns:1fr}}


/* BKita v4.2.3 — modern Guru BK dashboard */
.bksp-teacher-v2{max-width:1180px!important;margin:30px auto 70px!important}
.bksp-teacher-welcome{position:relative;overflow:hidden;display:grid;grid-template-columns:1.3fr .7fr;min-height:300px;padding:42px 44px;border-radius:28px;background:linear-gradient(120deg,#102f61 0%,#245fba 56%,#5ab9e9 100%);color:#fff;box-shadow:0 24px 55px rgba(26,75,128,.17)}
.bksp-teacher-welcome:before{content:"";position:absolute;width:390px;height:390px;border-radius:50%;right:-130px;top:-175px;background:rgba(255,255,255,.09)}
.bksp-teacher-welcome:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;right:170px;bottom:-105px;border:1px solid rgba(255,255,255,.16)}
.bksp-teacher-welcome-copy{position:relative;z-index:2;max-width:700px}.bksp-teacher-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.09);border-radius:999px;font-size:10px;font-weight:900;letter-spacing:.12em;color:#dff5ff}.bksp-teacher-badge span:first-child{font-size:16px}.bksp-teacher-welcome h1{font-size:46px;line-height:1.08;letter-spacing:-.035em;margin:16px 0 10px;color:#fff}.bksp-teacher-welcome p{max-width:650px;color:#e5f4ff;font-size:15px;line-height:1.7;margin:0}.bksp-teacher-actions{display:flex;gap:10px;margin-top:24px}.bksp-teacher-welcome .bksp-btn{background:#fff;color:#1658ad!important;box-shadow:0 10px 25px rgba(0,0,0,.14)}.bksp-teacher-welcome .bksp-btn.ghost{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.32);color:#fff!important}.bksp-teacher-visual{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:210px}.bksp-teacher-visual>span{width:105px;height:105px;border-radius:32px;display:grid;place-items:center;font-size:48px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.23);box-shadow:0 15px 35px rgba(0,0,0,.13);transform:rotate(-5deg);position:relative;z-index:3}.bksp-teacher-visual small{position:absolute;right:0;bottom:5px;text-align:right;color:#eaf8ff;font-size:10px;line-height:1.55}.bksp-teacher-orbit{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.22)}.bksp-teacher-orbit.orbit1{width:215px;height:215px}.bksp-teacher-orbit.orbit2{width:135px;height:135px;background:rgba(255,255,255,.06)}
.bksp-teacher-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin:18px 0 25px}.bksp-teacher-stat{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #e2eaf2;border-radius:17px;padding:16px;box-shadow:0 10px 25px rgba(28,53,79,.045)}.bksp-teacher-stat b{display:block;font-size:20px;color:#17385f;line-height:1.1}.bksp-teacher-stat small{display:block;color:#788da3;font-size:10px;margin-top:5px;line-height:1.3}.bksp-teacher-stat-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-size:18px;flex:none}.bksp-teacher-stat-icon.blue{background:#eaf3ff;color:#1677ee}.bksp-teacher-stat-icon.purple{background:#f0ecff;color:#7658df}.bksp-teacher-stat-icon.green{background:#eafaf3;color:#14a36b;font-size:17px}.bksp-teacher-stat-icon.gold{background:#fff6df;color:#bd8b15}
.bksp-teacher-main-grid{display:grid;grid-template-columns:310px 1fr;gap:24px;align-items:start}.bksp-teacher-profile-card{overflow:hidden;background:#fff;border:1px solid #e1e9f1;border-radius:22px;box-shadow:0 15px 40px rgba(25,45,70,.06)}.bksp-teacher-profile-cover{height:82px;background:linear-gradient(135deg,#d9efff,#e8eaff)}.bksp-teacher-profile-body{position:relative;padding:0 22px 23px}.bksp-teacher-photo-picker{margin-top:-46px}.bksp-teacher-profile-body h2{font-size:22px;margin:8px 0 2px;color:#17385f}.bksp-teacher-email{font-size:11px;color:#8394a6;word-break:break-word;margin:0 0 8px}.bksp-teacher-profile-form{display:block!important;margin-top:16px}.bksp-teacher-profile-form label:not(.bksp-service-toggle){display:block;font-size:10px;font-weight:800;color:#516b84;margin-top:13px}.bksp-teacher-profile-form input:not([type=checkbox]){width:100%;box-sizing:border-box;height:41px;border:1px solid #dce6ef;border-radius:10px;padding:0 11px;margin-top:6px}.bksp-teacher-profile-form .bksp-btn{width:100%;margin-top:13px}.bksp-service-toggle{display:flex;align-items:center;gap:10px;margin-top:15px;padding:12px;border:1px solid #e1eaf2;border-radius:13px;background:#f8fbfe;position:relative;cursor:pointer}.bksp-service-toggle span{flex:1}.bksp-service-toggle b{display:block;font-size:11px;color:#23476b}.bksp-service-toggle small{display:block;font-size:9px;color:#8799ab;margin-top:3px}.bksp-service-toggle input{position:absolute;opacity:0}.bksp-service-toggle i{width:42px;height:24px;border-radius:999px;background:#cbd5df;position:relative;transition:.2s;flex:none}.bksp-service-toggle i:after{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;border-radius:50%;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.15);transition:.2s}.bksp-service-toggle input:checked+i{background:#1aae73}.bksp-service-toggle input:checked+i:after{transform:translateX(18px)}.bksp-teacher-profile-body .bksp-photo-note{font-size:9px;color:#94a2b0;line-height:1.5;margin-top:12px}.bksp-teacher-profile-body .bksp-result{font-size:11px}
.bksp-teacher-content{min-width:0}.bksp-teacher-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:15px}.bksp-teacher-section-head h2{font-size:31px;color:#17385f;margin:5px 0}.bksp-teacher-section-head p{font-size:12px;color:#71869c;margin:0;line-height:1.5}.bksp-teacher-section-head .bksp-live{white-space:nowrap;padding:8px 11px;border-radius:999px;background:#eafaf3;font-weight:800}.bksp-teacher-inbox-card{padding:8px 20px 12px!important;border-radius:20px!important;box-shadow:0 15px 40px rgba(25,45,70,.055)}.bksp-teacher-inbox-card .bksp-inbox-row{padding:15px 4px;border-top:1px solid #edf1f5;transition:.18s}.bksp-teacher-inbox-card .bksp-inbox-row:first-child{border-top:0}.bksp-teacher-inbox-card .bksp-inbox-row:hover{background:#f8fbff;border-radius:12px;padding-left:10px;padding-right:10px}.bksp-teacher-inbox-card .bksp-inbox-row img{width:48px;height:48px;border-radius:15px;object-fit:cover;background:#edf4ff}.bksp-teacher-inbox-card .bksp-inbox-row span:nth-child(2) b{font-size:13px;color:#1d4268}.bksp-teacher-inbox-card .bksp-inbox-row span:nth-child(2) small{font-size:10px;margin-top:3px}.bksp-teacher-inbox-card .bksp-unread{font-weight:800}.bksp-teacher-tip{display:flex;align-items:center;gap:13px;margin-top:18px;padding:16px 18px;background:#eef7ff;border:1px solid #d5e9fa;border-radius:17px}.bksp-teacher-tip>span{width:38px;height:38px;border-radius:11px;background:#fff;display:grid;place-items:center;flex:none}.bksp-teacher-tip b{font-size:11px;color:#214f78}.bksp-teacher-tip p{font-size:10px;color:#6d8296;margin:4px 0 0;line-height:1.5}
@media(max-width:900px){.bksp-teacher-welcome{grid-template-columns:1fr;padding:34px 28px}.bksp-teacher-visual{display:none}.bksp-teacher-stats{grid-template-columns:repeat(2,1fr)}.bksp-teacher-main-grid{grid-template-columns:1fr}.bksp-teacher-profile-card{max-width:100%}}
@media(max-width:600px){.bksp-teacher-welcome h1{font-size:34px}.bksp-teacher-actions{flex-direction:column}.bksp-teacher-actions .bksp-btn{width:100%;text-align:center;box-sizing:border-box}.bksp-teacher-stats{grid-template-columns:1fr 1fr}.bksp-teacher-section-head{align-items:start;flex-direction:column}.bksp-teacher-inbox-card{padding:4px 12px 8px!important}.bksp-teacher-inbox-card .bksp-inbox-row{gap:9px}.bksp-teacher-inbox-card .bksp-inbox-row img{width:42px;height:42px;border-radius:13px}.bksp-teacher-inbox-card .bksp-inbox-row>small:last-of-type{display:none}}
/* v4.2.4 teacher profile editor */
.bksp-profile-summary{display:grid;gap:8px;margin:14px 0}.bksp-profile-summary>div{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid #e5edf4;border-radius:11px;background:#f8fbfe}.bksp-profile-summary span{font-size:9px;font-weight:700;color:#8497a8}.bksp-profile-summary b{font-size:10px;color:#23476b;text-align:right}.bksp-profile-summary b.is-on{color:#129e68}.bksp-profile-summary b.is-off{color:#a36a18}.bksp-edit-profile{width:100%;margin-top:5px}.bksp-profile-editor[hidden]{display:none!important}.bksp-profile-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.bksp-profile-actions .bksp-btn{width:100%!important;margin-top:0!important}.bksp-service-toggle input{cursor:pointer}.bksp-service-toggle i{cursor:pointer}.bksp-result.is-success{color:#16885e}.bksp-result.is-error{color:#c0392b}
@media(max-width:560px){.bksp-profile-actions{grid-template-columns:1fr}.bksp-profile-summary>div{align-items:flex-start;flex-direction:column}.bksp-profile-summary b{text-align:left}}

/* BKita v4.2.8 — modern private chat */
.bksp-modern-chat{max-width:980px!important;border:1px solid #dfe9f2!important;border-radius:28px!important;overflow:hidden;background:#fff!important;box-shadow:0 24px 70px rgba(22,55,88,.10)!important}
.bksp-chat-topbar{display:flex;align-items:center;gap:12px;padding:14px 18px;background:linear-gradient(135deg,#123f6b,#2469a4);color:#fff;position:relative}.bksp-chat-back{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;text-decoration:none;color:#fff!important;background:rgba(255,255,255,.13);font-size:28px;line-height:1}.bksp-chat-secure{width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:15px}.bksp-chat-person{display:flex;align-items:center;gap:11px;min-width:0;flex:1}.bksp-chat-person img{width:46px;height:46px;border-radius:15px;object-fit:cover;border:2px solid rgba(255,255,255,.65);background:#fff}.bksp-chat-person strong{display:block;font-size:15px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bksp-chat-person .bksp-live{color:#dceeff;font-size:11px;margin-top:3px}.bksp-chat-person .bksp-live.on{color:#a8ffd3}.bksp-chat-person .bksp-live i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#dce3ea;margin-right:5px}.bksp-chat-person .bksp-live.on i{background:#35e39a}.bksp-chat-refresh{font-size:10px;font-weight:800;letter-spacing:.05em;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.12);white-space:nowrap}
.bksp-chat-banner{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:24px 28px 20px;background:linear-gradient(135deg,#f3f9ff,#fbfdff);border-bottom:1px solid #e7eef5}.bksp-chat-banner h2{font-size:26px;color:#173f64;margin:5px 0 7px}.bksp-chat-banner p{max-width:690px;margin:0;color:#6f8295;font-size:12px;line-height:1.65}.bksp-chat-shield{width:64px;height:64px;border-radius:20px;background:#e8f4ff;color:#1768aa;display:grid;place-items:center;font-size:24px;flex:none}.bksp-chat-shield small{font-size:8px;font-weight:900;display:block;margin-top:-14px}
.bksp-chat-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 22px;border-bottom:1px solid #e7edf3;background:#fff}.bksp-chat-toolbar label{display:flex;align-items:center;gap:8px;font-size:10px;font-weight:800;color:#668097}.bksp-chat-toolbar select{border:1px solid #dce6ee;border-radius:10px;background:#f8fbfd;padding:8px 30px 8px 10px;font-size:11px;color:#244a6c;outline:none}.bksp-chat-note{font-size:10px;color:#8495a5}
.bksp-modern-chat .bksp-messages{height:480px;padding:24px 28px;background:radial-gradient(circle at top left,#f6fbff 0,#f7f9fc 38%,#f3f6fa 100%);overflow-y:auto;scroll-behavior:smooth}.bksp-chat-empty{max-width:360px;margin:90px auto 0;text-align:center;color:#7b8fa2}.bksp-chat-empty>div{width:64px;height:64px;margin:0 auto 12px;border-radius:20px;background:#e9f4ff;display:grid;place-items:center;font-size:28px}.bksp-chat-empty strong{display:block;color:#244b6c;font-size:15px;margin-bottom:5px}.bksp-chat-empty span{font-size:11px;line-height:1.6;display:block}
.bksp-modern-chat .bksp-msg{max-width:72%;padding:12px 15px;border-radius:18px;margin:10px 0;line-height:1.55;font-size:12px;box-shadow:0 4px 12px rgba(27,55,83,.045);position:relative}.bksp-modern-chat .bksp-msg.mine{margin-left:auto;background:linear-gradient(135deg,#2369aa,#2f82c8);color:#fff;border:0;border-bottom-right-radius:5px}.bksp-modern-chat .bksp-msg.theirs{background:#fff;color:#29465f;border:1px solid #e0e9f1;border-bottom-left-radius:5px}.bksp-modern-chat .bksp-msg small{font-size:9px;opacity:.7;margin-top:5px}.bksp-modern-chat .bksp-msg.theirs small{color:#6e8193}
.bksp-modern-composer{display:grid;grid-template-columns:36px 1fr auto;align-items:end;gap:9px;padding:14px 18px;background:#fff;border-top:1px solid #e2eaf1}.bksp-composer-icon{width:36px;height:36px;border-radius:11px;background:#edf6ff;color:#2573ae;display:grid;place-items:center;font-weight:900}.bksp-modern-composer textarea{min-height:44px;max-height:130px;resize:vertical;border:1px solid #dce6ee!important;border-radius:13px!important;padding:12px 13px!important;margin:0!important;font-size:12px!important;box-shadow:none!important;background:#fbfdff}.bksp-modern-composer textarea:focus{border-color:#4a91c9!important;box-shadow:0 0 0 3px rgba(55,132,195,.09)!important}.bksp-send-btn{height:44px;border:0;border-radius:13px;padding:0 15px;background:#1768a9;color:#fff;font-weight:900;cursor:pointer;display:flex;align-items:center;gap:9px;box-shadow:0 8px 18px rgba(23,104,169,.2)}.bksp-send-btn b{font-size:15px}.bksp-send-btn:disabled{opacity:.6;cursor:not-allowed}.bksp-modern-composer .bksp-result{grid-column:2/-1;margin:0;font-size:10px}.bksp-chat-footer{display:flex;justify-content:center;gap:8px;padding:10px;background:#f8fafc;color:#93a2b0;font-size:9px;border-top:1px solid #edf1f4}
@media(max-width:650px){.bksp-chat-banner{padding:20px}.bksp-chat-banner h2{font-size:21px}.bksp-chat-shield{display:none}.bksp-chat-toolbar{align-items:flex-start;flex-direction:column;gap:9px;padding:12px 16px}.bksp-chat-note{display:none}.bksp-modern-chat .bksp-messages{height:420px;padding:18px 15px}.bksp-modern-chat .bksp-msg{max-width:86%}.bksp-modern-composer{grid-template-columns:1fr auto;padding:10px}.bksp-composer-icon{display:none}.bksp-modern-composer textarea{min-height:42px}.bksp-modern-composer .bksp-result{grid-column:1/-1}.bksp-chat-refresh{display:none}.bksp-chat-footer{font-size:8px}}

/* BKita v4.3.0 — chat interaction layer */
.bksp-chat-bell{position:relative;width:38px;height:38px;border:1px solid rgba(255,255,255,.16);border-radius:12px;background:rgba(255,255,255,.10);color:#fff;display:grid;place-items:center;cursor:pointer;font-size:19px;line-height:1;flex:none}.bksp-chat-bell:hover{background:rgba(255,255,255,.18)}.bksp-chat-unread{position:absolute;right:-5px;top:-5px;min-width:17px;height:17px;padding:0 4px;border-radius:999px;background:#ff5d6c;color:#fff;font-size:8px;font-weight:900;display:grid;place-items:center;border:2px solid #1d5889}.bksp-chat-unread[hidden]{display:none!important}
.bksp-typing-indicator{height:0;overflow:hidden;opacity:0;display:flex;align-items:center;gap:4px;padding:0 28px;background:#f7f9fc;color:#7890a5;font-size:10px;transition:.2s;border-top:1px solid transparent}.bksp-typing-indicator.show{height:30px;opacity:1;border-top-color:#e7edf3}.bksp-typing-indicator span{width:5px;height:5px;border-radius:50%;background:#7ca8ca;animation:bkspTyping 1.1s infinite}.bksp-typing-indicator span:nth-child(2){animation-delay:.15s}.bksp-typing-indicator span:nth-child(3){animation-delay:.3s}.bksp-typing-indicator em{font-style:normal;margin-left:4px}.bksp-modern-chat .bksp-msg small{display:flex;align-items:center;gap:4px}.bksp-receipt{font-size:10px;letter-spacing:-2px;opacity:.72;margin-left:2px}.bksp-msg.mine .bksp-receipt.is-read{color:#bfeaff;opacity:1}.bksp-chat-toast{position:absolute;left:50%;bottom:66px;transform:translate(-50%,10px);background:#173f64;color:#fff;padding:9px 14px;border-radius:999px;font-size:10px;font-weight:800;box-shadow:0 10px 30px rgba(17,53,83,.2);opacity:0;pointer-events:none;transition:.22s;z-index:5;white-space:nowrap}.bksp-chat-toast.show{opacity:1;transform:translate(-50%,0)}.bksp-modern-chat{position:relative}.bksp-receipt-legend{white-space:nowrap}
@keyframes bkspTyping{0%,60%,100%{transform:translateY(0);opacity:.45}30%{transform:translateY(-3px);opacity:1}}
@media(max-width:650px){.bksp-chat-bell{width:34px;height:34px;border-radius:10px}.bksp-typing-indicator{padding:0 15px}.bksp-chat-toast{bottom:58px;max-width:85%;white-space:normal;text-align:center}.bksp-receipt-legend{display:none}}

/* v4.3.2 student class profile */
.bksp-profile-class-badge{display:flex;align-items:center;gap:6px;margin:12px 0 10px;padding:9px 11px;border:1px solid #e2edf7;border-radius:11px;background:#f7fbff;font-size:11px;color:#496780}.bksp-profile-class-badge span{font-size:9px;font-weight:700;color:#8a9cad}.bksp-profile-class-badge b{margin-left:auto;color:#23476b;font-size:10px;text-align:right}.bksp-student-profile-editor .bksp-btn.ghost{background:#fff;color:#37658d;border:1px solid #dce8f3}.bksp-student-profile-editor[hidden]{display:none!important}
/* v4.3.3 robust student profile editor */
.bksp-student-profile-editor{margin-top:14px;border:0}
.bksp-student-profile-editor>summary{list-style:none;text-align:center;cursor:pointer;width:100%;box-sizing:border-box;margin:0;padding:12px 20px}
.bksp-student-profile-editor>summary::-webkit-details-marker{display:none}
.bksp-student-profile-editor[open]>summary{border-bottom-left-radius:0;border-bottom-right-radius:0;background:#eef5ff}
.bksp-student-profile-editor .bksp-profile-form{padding-top:4px}
.bksp-student-profile-editor .bksp-profile-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.bksp-student-profile-editor .bksp-profile-actions .bksp-btn{width:100%;margin-top:0}
.bksp-student-profile-editor .bksp-result{margin-bottom:0}
@media(max-width:560px){.bksp-student-profile-editor .bksp-profile-actions{grid-template-columns:1fr}}

/* BKita v4.3.4 — compact student profile action buttons */
.bksp-student-profile-editor .bksp-profile-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-top:12px}
.bksp-student-profile-editor .bksp-profile-actions .bksp-btn{width:auto!important;min-width:0;padding:9px 15px;font-size:11px;line-height:1.2;border-radius:10px;box-shadow:0 5px 12px rgba(50,103,227,.12)}
.bksp-student-profile-editor .bksp-profile-actions .bksp-btn.ghost{margin-left:0;background:#fff;color:#37658d!important;border:1px solid #dce8f3;box-shadow:none}
@media(max-width:560px){.bksp-student-profile-editor .bksp-profile-actions{display:flex;flex-direction:row;justify-content:flex-end}.bksp-student-profile-editor .bksp-profile-actions .bksp-btn{width:auto!important;flex:0 0 auto}}


/* BKita v4.3.6: native teacher profile editor */
.bksp-teacher-profile-editor>summary{list-style:none;cursor:pointer;text-align:center;display:block}
.bksp-teacher-profile-editor>summary::-webkit-details-marker{display:none}
.bksp-teacher-profile-editor[open]>summary{margin-bottom:10px}
.bksp-teacher-profile-editor .bksp-profile-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-top:12px}
.bksp-teacher-profile-editor .bksp-profile-actions .bksp-btn{width:auto!important;min-width:0;padding:9px 15px;font-size:11px;line-height:1.2;border-radius:10px;margin-top:0!important}
.bksp-teacher-profile-editor .bksp-profile-actions .bksp-btn.ghost{margin-left:0;background:#fff;color:#37658d!important;border:1px solid #dce8f3;box-shadow:none}
.bksp-teacher-profile-editor .bksp-result{font-size:11px;margin-top:10px}
@media(max-width:560px){.bksp-teacher-profile-editor .bksp-profile-actions{display:flex;flex-direction:row;justify-content:flex-end}.bksp-teacher-profile-editor .bksp-profile-actions .bksp-btn{width:auto!important;flex:0 0 auto}}

/* BKita v4.3.9 — unread notification badge inside Pesan belum dibaca card */
.bksp-unread-card{position:relative;text-decoration:none;cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s}.bksp-unread-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(28,53,79,.09);border-color:#c9dced}.bksp-unread-icon{position:relative}.bksp-unread-badge{position:absolute;right:-7px;top:-7px;min-width:19px;height:19px;padding:0 5px;border-radius:999px;background:#ff5265;color:#fff;font-size:9px;font-style:normal;font-weight:900;display:grid;place-items:center;border:2px solid #fff;box-shadow:0 3px 8px rgba(255,82,101,.25);line-height:1}.bksp-unread-badge[hidden]{display:none!important}.bksp-unread-count{transition:.15s}

/* BKita v4.4.0 — daftar semua percakapan di dashboard */
.bksp-dashboard-messages{margin-top:24px;padding:26px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 15px 40px rgba(25,45,70,.045)}
.bksp-dashboard-messages-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:15px}
.bksp-dashboard-messages-head h2{font-size:28px;color:#17385f;margin:5px 0}.bksp-dashboard-messages-head p{font-size:12px;color:#71869c;margin:0;line-height:1.5}
.bksp-dashboard-conversations{padding:8px 20px 12px!important;border:0!important;box-shadow:none!important}
.bksp-conversation-row{gap:13px}.bksp-conversation-row img{width:50px;height:50px;border-radius:15px;object-fit:cover;background:#edf4ff;flex:none}
.bksp-conversation-main{flex:1;min-width:0}.bksp-conversation-main b{display:block;font-size:13px;color:#1d4268}.bksp-conversation-main small{display:block;color:#8992a2;font-size:10px;margin-top:3px}.bksp-conversation-main .bksp-last-message{color:#536b82;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.bksp-conversation-time{white-space:nowrap!important;color:#8992a2!important}.bksp-conversation-row strong{font-size:22px;color:#9aa8b6}
@media(max-width:600px){.bksp-dashboard-messages{padding:20px 12px}.bksp-dashboard-messages-head{align-items:flex-start;flex-direction:column}.bksp-dashboard-messages-head .bksp-btn{width:100%;box-sizing:border-box;text-align:center}.bksp-dashboard-conversations{padding:4px 8px 8px!important}.bksp-conversation-row img{width:42px;height:42px;border-radius:13px}.bksp-conversation-time{display:none!important}.bksp-conversation-row{gap:9px}}

/* v4.4.1: interactive student statistic cards */
.bksp-stat-card.bksp-stat-link{text-decoration:none;color:inherit;position:relative;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.bksp-stat-card.bksp-stat-link:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,55,100,.10)}
.bksp-stat-card.bksp-stat-link:focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:3px}
.bksp-stat-arrow{margin-left:auto;font-size:28px;line-height:1;color:#6b7a90;align-self:center;transition:transform .18s ease}
.bksp-stat-link:hover .bksp-stat-arrow{transform:translateX(3px)}

/* BKita v4.4.4 photo upload status */
.bksp-photo-picker{position:relative}.bksp-photo-status{margin-top:8px;font-size:12px;line-height:1.4;font-weight:700}.bksp-photo-status.is-success{color:#16865b}.bksp-photo-status.is-error{color:#c0392b}