:root{--ink:#17221d;--muted:#738078;--paper:#f5f7f4;--card:#fff;--green:#207d58;--green-dark:#145c40;--mint:#dff4e9;--line:#e4e9e5;--orange:#d78b43;--red:#d25858;--shadow:0 14px 40px rgba(23,34,29,.09)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Manrope,system-ui,sans-serif;color:var(--ink);background:#eef1ed}button,input{font:inherit}button{cursor:pointer}body{overflow-x:hidden}.app-shell{min-height:100vh}.topbar{height:74px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;gap:24px;position:relative;z-index:10}.brand{display:flex;align-items:center;gap:12px;min-width:250px}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--ink);color:white;display:grid;place-items:center;font-weight:800}.brand div,.profile-button span:nth-child(2){display:flex;flex-direction:column}.brand strong{font-size:15px}.brand small,.profile small{font-size:10px;color:var(--muted);margin-top:2px}.class-status{margin:auto;display:flex;align-items:center;gap:9px;color:#536159;font-size:12px;font-weight:700}.live-dot{width:8px;height:8px;border-radius:50%;background:#3bad77;box-shadow:0 0 0 5px #e4f5eb}.profile{min-width:250px;display:flex;justify-content:flex-end;gap:8px}.icon-button{border:1px solid var(--line);background:#fff;border-radius:12px;width:42px;height:42px}.profile-button{height:46px;border:0;background:transparent;display:flex;align-items:center;gap:10px;text-align:left;border-radius:12px;padding:4px 8px}.profile-button:hover{background:var(--paper)}.profile-button b{font-size:12px;max-width:115px;overflow:hidden;text-overflow:ellipsis}.avatar,.person-avatar{display:grid;place-items:center;border-radius:50%;background:#e6ede8;color:#315344;font-weight:800}.avatar{width:36px;height:36px}.chevron{color:var(--muted)}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 340px;min-height:calc(100vh - 74px)}.classroom-panel{padding:20px 22px 16px;min-width:0}.instruction-card{height:62px;background:#fff;border:1px solid var(--line);border-radius:15px;margin:0 auto 16px;max-width:760px;display:flex;align-items:center;padding:10px 14px;gap:12px;box-shadow:0 8px 24px rgba(30,48,39,.06)}.instruction-card.hidden{display:none}.instruction-icon{width:36px;height:36px;border-radius:10px;background:var(--mint);color:var(--green);display:grid;place-items:center;font-size:19px;font-weight:800}.instruction-card div{display:flex;flex-direction:column;gap:2px}.instruction-card strong{font-size:13px}.instruction-card small{font-size:11px;color:var(--muted)}.instruction-card button{margin-left:auto;border:0;background:transparent;color:#99a29d;font-size:22px}.room-frame{background:#19211d;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);position:relative;max-height:calc(100vh - 118px)}.room{position:relative;width:100%;aspect-ratio:2048/1116;background:#bbb;overflow:hidden}.room>img{display:block;width:100%;height:100%;object-fit:cover}.room:after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 70px rgba(9,17,13,.16);pointer-events:none}.room-legend{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);height:34px;background:rgba(18,27,23,.82);backdrop-filter:blur(12px);color:#eef4f0;border:1px solid rgba(255,255,255,.12);border-radius:99px;display:flex;align-items:center;gap:18px;padding:0 16px;font-size:9px;font-weight:700;z-index:5;white-space:nowrap}.room-legend span{display:flex;align-items:center;gap:6px}.legend-dot{width:8px;height:8px;border-radius:50%}.legend-dot.free{background:#fff}.legend-dot.taken{background:#c46b5b}.legend-dot.yours{background:#42cf8b;box-shadow:0 0 0 3px rgba(66,207,139,.2)}
#seatLayer{position:absolute;inset:0}.seat{position:absolute;width:7.3%;height:10.5%;transform:translate(-50%,-50%);border:0;background:transparent;z-index:2;border-radius:14px}.seat:before{content:"";position:absolute;left:50%;top:74%;width:28%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:rgba(255,255,255,.96);border:2px solid rgba(23,34,29,.5);box-shadow:0 3px 12px rgba(0,0,0,.25);transition:.18s}.seat:after{content:"";position:absolute;left:50%;top:74%;width:10%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:var(--green);transition:.18s}.seat:hover:before{transform:translate(-50%,-50%) scale(1.18);border-color:#fff}.seat.taken{cursor:not-allowed}.seat.taken:before{background:#b65e53;border-color:#fff}.seat.taken:after{background:#fff}.seat.mine:before{background:#36b979;border-color:#fff;box-shadow:0 0 0 5px rgba(54,185,121,.3),0 4px 14px rgba(0,0,0,.22)}.seat.mine:after{background:#fff}.seat.speaking:before{animation:ring 1.3s infinite}.seat .occupant{position:absolute;left:50%;top:4%;transform:translateX(-50%);background:#17221d;color:white;padding:3px 7px;border-radius:8px;font-size:8px;max-width:110px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;box-shadow:0 3px 8px rgba(0,0,0,.2)}.teacher-desk{position:absolute;left:29.2%;top:20.8%;width:11.5%;height:13%;transform:translate(-50%,-50%);border:0;background:transparent;z-index:3}.seat-pulse{position:absolute;left:28%;top:20%;width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--green);box-shadow:0 0 0 6px rgba(32,125,88,.22)}.teacher-desk.occupied .seat-pulse{background:var(--green)}.seat-label{position:absolute;left:50%;top:-20px;transform:translateX(-50%);background:#17221d;color:#fff;border-radius:8px;padding:4px 8px;font-size:8px;font-weight:700;opacity:0;transition:.2s}.teacher-desk:hover .seat-label{opacity:1}@keyframes ring{0%{box-shadow:0 0 0 0 rgba(54,185,121,.75)}70%{box-shadow:0 0 0 12px rgba(54,185,121,0)}100%{box-shadow:0 0 0 0 rgba(54,185,121,0)}}
.sidebar{background:#f9faf8;border-left:1px solid var(--line);padding:18px;display:flex;flex-direction:column;gap:14px;max-height:calc(100vh - 74px)}.people-card,.chat-card{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden}.people-card{flex:0 0 auto}.section-title,.chat-header{display:flex;align-items:center;justify-content:space-between;padding:15px 16px;border-bottom:1px solid #edf0ed}.section-title>div,.chat-header>div{display:flex;align-items:center;gap:7px}.section-title h2,.chat-header h2{font-size:12px;margin:0}.section-title>span{font-size:8px;color:#8b9690;font-weight:800;letter-spacing:.08em}.count-pill{font-size:9px;padding:2px 6px;background:#edf2ee;border-radius:20px;color:#607067}.teacher-row,.student-row{display:flex;align-items:center;gap:10px;padding:10px 14px}.teacher-row{background:#f7faf8;border-bottom:1px solid #edf0ed}.person-avatar{width:31px;height:31px;flex:0 0 31px;font-size:11px}.person-avatar.teacher{background:#214c3a;color:white}.teacher-row div,.student-row div{display:flex;flex-direction:column;min-width:0}.teacher-row strong,.student-row strong{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.teacher-row small,.student-row small{font-size:8px;color:var(--muted);margin-top:2px}.mic-state{margin-left:auto;font-size:12px;color:#35a972}.mic-state.muted{color:#b5bdb8}.student-list{max-height:148px;overflow:auto}.student-row{border-bottom:1px solid #f0f2f0}.student-row:last-child{border:0}.student-row.me{background:#f1f8f4}.student-row.speaker{background:#eaf8f0}.floor-button{margin-left:auto;border:1px solid var(--line);background:white;border-radius:8px;padding:5px 7px;font-size:8px;font-weight:800;color:var(--green)}.floor-button.active{background:var(--green);color:white;border-color:var(--green)}
.chat-card{display:flex;flex-direction:column;min-height:260px;flex:1}.chat-header small{font-size:8px;color:var(--muted)}.chat-header>div{display:block}.chat-icon{color:#8d9891}.messages{padding:12px;overflow-y:auto;flex:1;min-height:140px}.empty-chat{height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;color:var(--muted)}.empty-chat>span{font-size:22px;color:var(--green);margin-bottom:6px}.empty-chat strong{font-size:10px;color:#506058}.empty-chat small{font-size:8px;margin-top:3px}.message{display:flex;gap:7px;margin-bottom:10px}.message-avatar{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#edf1ee;color:#486052;font-size:8px;font-weight:800;flex:0 0 25px}.message-content{min-width:0}.message-meta{display:flex;align-items:center;gap:6px;margin:0 0 3px}.message-meta strong{font-size:8px}.message-meta time{font-size:7px;color:#a0a8a3}.message-bubble{background:#f3f5f3;border-radius:3px 10px 10px 10px;padding:7px 9px;font-size:9px;line-height:1.45;word-break:break-word}.message.teacher-message .message-bubble{background:#e7f4ed}.message-form{height:57px;border-top:1px solid var(--line);padding:9px;display:flex;gap:7px}.message-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:10px;padding:0 11px;font-size:10px;outline:0}.message-form input:focus{border-color:#8cc2a8;box-shadow:0 0 0 3px #e7f5ed}.message-form button{width:38px;border:0;border-radius:10px;background:var(--green);color:white}.message-form button:disabled,.message-form input:disabled{opacity:.45}
dialog{border:0;padding:0;border-radius:22px;box-shadow:0 28px 90px rgba(9,24,16,.28);max-width:calc(100vw - 32px)}dialog::backdrop{background:rgba(11,22,16,.55);backdrop-filter:blur(5px)}.dialog-card{width:390px;padding:30px;position:relative;display:flex;flex-direction:column}.dialog-close{position:absolute;right:15px;top:13px;border:0;background:transparent;font-size:23px;color:#829087}.dialog-eyebrow{font-size:9px;color:var(--green);font-weight:800;letter-spacing:.14em;text-transform:uppercase}.dialog-card h2{font-size:23px;margin:8px 0}.dialog-card p{font-size:11px;line-height:1.6;color:var(--muted);margin:0 0 20px}.dialog-card label{display:flex;flex-direction:column;gap:7px;font-size:10px;font-weight:800;margin-bottom:13px}.dialog-card input{border:1px solid var(--line);border-radius:11px;height:44px;padding:0 12px;outline:0}.dialog-card input:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--mint)}.primary-button{height:44px;border:0;border-radius:11px;background:var(--green);color:#fff;font-size:11px;font-weight:800;margin-top:4px}.text-button{border:0;background:transparent;color:var(--green);font-size:10px;font-weight:800;margin-top:15px}.toast-stack{position:fixed;right:24px;top:88px;z-index:100;display:flex;flex-direction:column;gap:8px}.toast{background:#17221d;color:white;border-radius:12px;padding:11px 14px;font-size:10px;box-shadow:var(--shadow);animation:toast-in .25s ease}.toast.error{background:#8b3434}@keyframes toast-in{from{transform:translateY(-8px);opacity:0}}
@media(max-width:900px){.workspace{grid-template-columns:1fr}.sidebar{max-height:none;border-left:0;display:grid;grid-template-columns:1fr 1fr}.room-frame{max-height:none}.brand,.profile{min-width:auto}.class-status{display:none}.topbar{padding:0 14px}.classroom-panel{padding:14px}.instruction-card{margin-bottom:12px}}
@media(max-width:650px){.topbar{height:64px}.brand small,.profile-button span:nth-child(2),.chevron{display:none}.workspace{min-height:calc(100vh - 64px)}.classroom-panel{padding:8px}.instruction-card{height:auto;min-height:56px}.instruction-card small{font-size:9px}.room-frame{border-radius:13px;overflow:auto}.room{min-width:720px}.sidebar{display:flex;padding:8px;max-height:none}.student-list{max-height:220px}.chat-card{min-height:430px}.room-legend{position:sticky;left:50%;width:max-content;margin-top:-48px;margin-bottom:14px}.toast-stack{right:12px;left:12px;top:74px}.toast{text-align:center}}

/* Radionica: oznaka doba dana i posebno nastavničko mesto u donjem redu. */
.time-badge{margin-left:5px;padding:5px 9px;border-radius:99px;background:#edf2ee;color:#4f6258;font-size:9px;text-transform:uppercase;letter-spacing:.08em}
.teacher-desk{left:50.0%;top:22.7%;width:7.5%;height:11%;border-radius:14px}
.teacher-desk .seat-pulse{left:50%;top:50%;transform:translate(-50%,-50%);width:22px;height:22px}
.teacher-desk .seat-label{top:4%;white-space:nowrap}
.teacher-desk:hover .seat-label,.teacher-desk:focus-visible .seat-label{opacity:1}
.room #seatLayer .seat:before,.room #seatLayer .seat:after{top:50%}
.room-legend{position:absolute;top:14px;right:14px;bottom:auto;left:auto;transform:none}

[hidden]{display:none!important}.topic-banner{margin:14px 22px 0;background:#fff;border:1px solid var(--line);border-radius:17px;padding:14px 18px;display:flex;align-items:center;gap:20px;box-shadow:0 8px 24px rgba(30,48,39,.05)}.topic-banner>div:first-child{min-width:0}.topic-kicker{font-size:8px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);font-weight:800}.topic-banner h1{font-size:17px;margin:3px 0}.topic-banner p{font-size:9px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topic-time{margin-left:auto;font-size:9px;color:#5e6b64;font-weight:700;white-space:nowrap}.moderator-button,.secondary-button{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:9px 12px;font-size:9px;font-weight:800}.workspace{min-height:calc(100vh - 155px)}.sidebar{max-height:calc(100vh - 155px)}
.auth-screen{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(400px,.8fr);background:#f5f7f4}.auth-visual{background:linear-gradient(90deg,rgba(17,31,24,.65),rgba(17,31,24,.12)),url('/radionica-jutro.png?v=3') center/cover;display:flex;align-items:flex-end;padding:7vw;color:white}.auth-copy{max-width:560px}.auth-copy .dialog-eyebrow{color:#a9e7c8}.auth-copy h1{font-size:clamp(36px,5vw,68px);line-height:1.03;letter-spacing:-.04em;margin:14px 0}.auth-copy p{font-size:14px;line-height:1.7;max-width:480px;color:rgba(255,255,255,.8)}.privacy-note{display:inline-flex;margin-top:20px;padding:10px 14px;background:rgba(11,25,18,.48);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.16);border-radius:12px;font-size:10px}.auth-panel{display:grid;place-items:center;padding:32px}.auth-card{width:min(390px,100%);background:white;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:#f1f4f1;border-radius:11px;padding:4px;margin-bottom:24px}.auth-tabs button{height:35px;border:0;border-radius:8px;background:transparent;font-size:10px;font-weight:800;color:var(--muted)}.auth-tabs button.active{background:white;color:var(--ink);box-shadow:0 3px 10px rgba(20,40,30,.08)}.auth-form{display:flex;flex-direction:column}.auth-form h2{font-size:24px;margin:0 0 6px}.auth-form>p{font-size:10px;color:var(--muted);line-height:1.6;margin:0 0 20px}.auth-form label,.moderator-dialog label{font-size:9px;font-weight:800;display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.auth-form input,.moderator-dialog input,.moderator-dialog textarea{border:1px solid var(--line);border-radius:10px;min-height:43px;padding:10px 12px;outline:0}.auth-form input:focus,.moderator-dialog input:focus,.moderator-dialog textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--mint)}.check-label{display:grid!important;grid-template-columns:18px 1fr;align-items:start;font-weight:500!important;line-height:1.5}.check-label input{min-height:auto;width:16px;height:16px}.danger-text{color:var(--red)}
.moderator-dialog{width:560px}.moderator-dialog h3{font-size:12px}.moderator-dialog hr{border:0;border-top:1px solid var(--line);margin:20px 0}.moderator-actions{display:flex;gap:8px}.moderator-actions button{margin:0;flex:1}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.moderator-dialog textarea{resize:vertical;min-height:72px}.upcoming-topic{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding:10px 0;font-size:9px}.upcoming-topic div{display:flex;flex-direction:column;flex:1}.upcoming-topic small{color:var(--muted)}.upcoming-topic button{border:0;background:#fff1f1;color:var(--red);border-radius:8px;padding:6px 8px;font-size:8px}.student-actions{display:flex;margin-left:auto;gap:4px}.student-actions button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:5px 6px;font-size:8px}.student-actions .ban{color:var(--red)}.room-closed{background:#fff2e6;color:#9a5e28}.live-dot.offline{background:#c1c7c3;box-shadow:0 0 0 5px #edf0ee}
@media(max-width:900px){.auth-screen{grid-template-columns:1fr}.auth-visual{min-height:36vh;padding:32px}.auth-copy h1{font-size:38px}.auth-panel{padding:20px}.topic-banner{margin:10px 14px 0}.workspace{min-height:auto}.sidebar{max-height:none}}
@media(max-width:650px){.topic-banner{align-items:flex-start;flex-wrap:wrap;margin:8px}.topic-banner p{white-space:normal}.topic-time{margin-left:0}.moderator-button{margin-left:auto}.auth-visual{min-height:280px}.auth-copy h1{font-size:32px}.auth-panel{padding:12px}.auth-card{padding:22px}.form-grid{grid-template-columns:1fr}}

.auth-screen{overflow-x:hidden}
@media(max-width:650px){.auth-visual{width:100%;padding:32px}.auth-copy{width:100%;min-width:0}.auth-copy h1{font-size:30px;overflow-wrap:anywhere}.auth-copy p{font-size:12px}.auth-panel{width:100%;min-width:0}.auth-card{width:100%;max-width:100%;overflow:hidden}.auth-card code{word-break:break-all}}
.moderator-dialog select{border:1px solid var(--line);border-radius:10px;min-height:43px;padding:10px 12px;outline:0;background:#fff}