:root{--bg:#f6f8f6;--panel:#fff;--ink:#172019;--muted:#667068;--line:#dde4de;--soft:#edf3ee;--accent:#246b45;--accent2:#dfeee4;--blue:#dff1fb;--shadow:0 14px 40px rgba(34,55,41,.08);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg)}body{min-height:100dvh}.hidden{display:none!important}button,input,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100dvh}.topbar{height:58px;position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:8px max(12px,env(safe-area-inset-left));background:rgba(246,248,246,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(221,228,222,.75)}.brand{font-weight:800;letter-spacing:-.02em}.menu-btn,.icon-btn,.attach,.send{border:0;background:transparent}.menu-btn,.icon-btn{width:38px;height:38px;border-radius:12px;font-size:20px}.menu-btn:hover,.icon-btn:hover{background:var(--soft)}.space-pill,.active-doc-pill,.chip{border:1px solid var(--line);background:rgba(255,255,255,.85);border-radius:999px;padding:7px 11px;font-size:12px;color:var(--muted)}.space-pill{max-width:42vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar .guest-actions{margin-left:auto;display:flex;gap:8px}.btn{border:0;border-radius:12px;padding:9px 13px;font-weight:650}.btn.primary{background:var(--accent);color:#fff}.btn.soft{background:var(--soft);color:var(--ink)}.btn.ghost{background:transparent;border:1px solid var(--line)}.btn.wide{width:100%}.guest{min-height:calc(100dvh - 58px);display:grid;place-items:center;padding:28px}.hero{max-width:720px;text-align:center}.logo,.orb{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;margin:auto;background:linear-gradient(145deg,#2e7a51,#bddac7);color:white;font-weight:900;font-size:26px;box-shadow:var(--shadow)}.hero h1{font-size:clamp(34px,7vw,62px);line-height:.98;letter-spacing:-.05em;margin:20px 0}.hero p{color:var(--muted);font-size:18px;line-height:1.55}.hero-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:24px}.workspace{min-height:calc(100dvh - 58px);display:flex;flex-direction:column}.chat-page{width:min(880px,100%);margin:0 auto;flex:1;padding:10px 14px 145px}.context-line{display:flex;gap:7px;flex-wrap:wrap;align-items:center;min-height:34px;padding:4px 0 10px}.active-doc-pill{border-color:#b9d8c4;background:#f5fbf7;color:#31553d;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat{display:flex;flex-direction:column;gap:18px}.empty-chat{padding:12vh 8px 20px;text-align:center}.empty-chat h2{font-size:clamp(28px,6vw,46px);margin:18px 0 8px;letter-spacing:-.04em}.empty-chat p{max-width:660px;margin:auto;color:var(--muted);font-size:16px;line-height:1.55}.starter{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:22px}.starter button{border:1px solid var(--line);background:white;border-radius:999px;padding:10px 14px}.message{max-width:min(720px,88%);font-size:15.5px;line-height:1.58}.message.user{align-self:flex-end;background:#e7efe9;border-radius:18px 18px 5px 18px;padding:11px 14px}.message.assistant{align-self:flex-start;padding:2px 0}.message .meta{display:block;font-size:10px;color:#9ba49d;margin-top:6px}.message-card{margin-top:10px;border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:white;display:flex;align-items:center;justify-content:space-between;gap:10px}.source-list{display:flex;flex-direction:column;gap:5px;margin-top:10px}.source-list a{font-size:12px;color:#2f6e92;text-decoration:none}.composer-wrap{position:fixed;z-index:18;left:0;right:0;bottom:0;padding:10px 14px max(10px,env(safe-area-inset-bottom));background:linear-gradient(180deg,rgba(246,248,246,0),rgba(246,248,246,.94) 25%,rgba(246,248,246,1))}.composer-zone{width:min(880px,100%);margin:auto}.composer{display:flex;align-items:flex-end;gap:7px;background:white;border:1px solid var(--line);border-radius:24px;padding:8px;box-shadow:0 16px 40px rgba(35,54,41,.12)}.composer textarea{flex:1;border:0;outline:0;resize:none;max-height:180px;min-height:38px;padding:9px 4px;background:transparent;line-height:1.4}.attach,.send{width:40px;height:40px;border-radius:50%;font-size:22px}.attach:hover{background:var(--soft)}.send{background:var(--accent);color:#fff}.attachment-chip{display:inline-flex;align-items:center;gap:8px;margin:0 0 6px 10px;border:1px solid var(--line);background:white;border-radius:999px;padding:6px 10px;font-size:12px}.attachment-chip button{border:0;background:transparent}.drawer-backdrop{position:fixed;inset:0;background:rgba(12,20,15,.24);z-index:30;opacity:0;pointer-events:none;transition:.2s}.drawer-backdrop.open{opacity:1;pointer-events:auto}.drawer{position:fixed;z-index:31;left:0;top:0;bottom:0;width:min(380px,92vw);background:#fbfcfb;border-right:1px solid var(--line);transform:translateX(-102%);transition:.24s ease;box-shadow:var(--shadow)}.drawer.open{transform:none}.drawer-head{height:58px;display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--line)}.drawer-scroll{height:calc(100dvh - 58px);overflow:auto;padding:10px 10px 30px}.tool-group{border-bottom:1px solid var(--line)}.tool-group>summary{padding:15px 7px;font-weight:750;cursor:pointer}.tool-body{display:flex;flex-direction:column;gap:7px;padding:0 2px 12px}.tool-item{background:white;border:1px solid var(--line);border-radius:14px;padding:11px}.tool-item h4{margin:0 0 4px;font-size:14px}.tool-item p{margin:0;color:var(--muted);font-size:12px;line-height:1.45}.tool-item.active{border-color:#94bda3;background:#f6fbf7}.space-row{display:flex;gap:8px;align-items:center;justify-content:space-between}.space-copy{min-width:0}.period details{margin-top:7px}.cycle-item{padding:8px 0;border-top:1px solid #edf0ed}.cycle-item b,.cycle-item span{display:block;font-size:11px}.cycle-item span{color:var(--muted);margin-top:2px}.toast{position:fixed;z-index:80;left:50%;bottom:100px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#172019;color:white;padding:9px 13px;border-radius:12px;font-size:12px;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}.auth{border:0;border-radius:20px;padding:0;box-shadow:var(--shadow);width:min(420px,92vw)}.auth::backdrop{background:rgba(10,20,14,.3)}.authbox{padding:24px;position:relative}.authbox h2{margin:0 0 18px}.authbox .close{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:26px}.field{display:flex;flex-direction:column;gap:6px;margin:12px 0;font-size:12px;font-weight:700}.field input{border:1px solid var(--line);border-radius:12px;padding:12px}.error{font-size:12px;color:#a63232;margin-top:8px}.doc-overlay{position:fixed;z-index:40;inset:0;background:#eef1ee;overflow:auto}.docbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;min-height:58px;padding:8px 12px;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.docbar h3{flex:1;margin:0;font-size:14px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.document{padding:18px 10px 80px}.paper{width:min(980px,100%);margin:auto;background:white;min-height:90vh;padding:clamp(20px,5vw,58px);box-shadow:0 9px 30px rgba(30,45,34,.08);border-radius:6px}.paper h1{font-size:30px;letter-spacing:-.035em;margin:0 0 20px;color:#5b9ac4}.paper h2{font-size:20px;margin:28px 0 10px;color:#356e4c}.paper h3{font-size:16px;margin:20px 0 8px}.paper p,.paper li{font-size:13px;line-height:1.55}.paper table{border-collapse:collapse;width:100%;font-size:11px;margin:10px 0 18px}.paper th,.paper td{border:1px solid #cfd8d0;padding:6px;vertical-align:top}.paper th{background:#edf3e8;text-align:left}.paper ul{margin:5px 0 12px;padding-left:20px}.paper .session{margin:26px 0 34px;border-top:2px solid #d4dfd5;padding-top:12px}.paper .session-title{font-size:25px;color:#6aa7cf;font-weight:500;margin:0 0 10px}.editable{border-radius:5px;transition:.12s;outline:none;min-width:1ch}.editable:hover{background:#f6faf6}.editable:focus{background:#fff9d9;box-shadow:0 0 0 2px #ecd96b;padding:1px 3px}.editable.saving{opacity:.55}.editable.saved{background:#eaf6ed}.editable.error-save{background:#ffe9e9}.doc-title-edit{font-size:14px;font-weight:800;max-width:60vw;overflow:hidden;white-space:nowrap}.muted{color:var(--muted)}.doc-actions{display:flex;gap:6px}.doc-actions .btn{font-size:12px;padding:8px 10px}.section-card{margin:16px 0 24px}.summary-table td:first-child,.summary-table th:first-child{width:15%}@media(max-width:720px){.topbar{gap:6px}.brand{font-size:14px}.chip{display:none}.space-pill{max-width:36vw}.chat-page{padding-left:12px;padding-right:12px}.message{max-width:92%}.paper{padding:18px 12px;border-radius:0}.document{padding:0 0 70px}.paper h1{font-size:24px}.paper h2{font-size:18px}.paper table{font-size:9.5px;display:block;overflow-x:auto}.doc-actions .print-label{display:none}.docbar{padding-left:7px;padding-right:7px}}@media print{body{background:white}.topbar,.composer-wrap,.drawer,.drawer-backdrop,.docbar{display:none!important}.doc-overlay{position:static;background:white;overflow:visible}.document{padding:0}.paper{width:100%;box-shadow:none;padding:0;border-radius:0}.editable:focus{box-shadow:none;background:transparent;padding:0}.paper .session{break-inside:avoid-page}.paper table{break-inside:auto}.paper tr{break-inside:avoid-page}}
.schedule-card{margin-top:12px;border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 4px 18px rgba(30,45,34,.05)}
.schedule-head{padding:13px 14px;background:#f1f6f2;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:2px}.schedule-head span{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:800}.schedule-head strong{font-size:16px}
.schedule-period{padding:12px 14px;border-bottom:1px solid #edf0ed}.schedule-period:last-child{border-bottom:0}.schedule-dates{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin-bottom:8px}.schedule-dates b{font-size:13px}.schedule-dates span{font-size:11px;color:var(--muted);text-align:right}
.schedule-row{display:grid;grid-template-columns:minmax(82px, .8fr) 2fr;gap:10px;padding:8px 0;border-top:1px solid #f0f2f0}.schedule-row:first-of-type{border-top:0}.schedule-field{font-size:11px;color:#356e4c;font-weight:800}.schedule-row strong{font-size:12px;display:block}.schedule-row small{display:block;margin-top:3px;font-size:10.5px;line-height:1.35;color:var(--muted)}.schedule-note,.schedule-empty{font-size:11px;color:var(--muted);margin:7px 0 0}.schedule-empty{padding:14px;margin:0}
@media(max-width:520px){.schedule-row{grid-template-columns:1fr}.schedule-dates{align-items:flex-start;flex-direction:column;gap:2px}.schedule-dates span{text-align:left}}

.schedule-head small{font-size:10.5px;color:var(--muted);font-weight:600}
.schedule-week{border-bottom:1px solid var(--line)}.schedule-week:last-child{border-bottom:0}
.schedule-week-title{display:flex;justify-content:space-between;gap:12px;padding:9px 12px;background:#fff6c9;border-bottom:1px solid #ded7a2}.schedule-week-title b{font-size:12px}.schedule-week-title span{font-size:11px;color:var(--muted)}
.schedule-grid{display:grid;grid-template-columns:repeat(5,minmax(150px,1fr));overflow-x:auto;background:#d7d9aa;gap:1px}
.schedule-day{background:white;min-width:150px}.schedule-day-head{display:flex;justify-content:space-between;gap:6px;padding:7px 8px;background:#fff0b3;border-bottom:1px solid #d7d9aa;font-size:10.5px}.schedule-day-head span{color:var(--muted)}
.schedule-entry{padding:7px 8px;border-bottom:1px solid #e6e7d1;min-height:72px}.schedule-entry span,.schedule-entry b,.schedule-entry strong,.schedule-entry small{display:block}.schedule-entry span{font-size:10.5px;color:#765b36}.schedule-entry b{font-size:11px;color:#147da7;text-decoration:underline;margin:1px 0}.schedule-entry strong{font-size:10.5px;font-weight:600}.schedule-entry small{font-size:10px;color:#333;margin-top:2px}
.schedule-event{padding:7px 8px;background:#fff2fb;border-bottom:1px solid #eccfe4}.schedule-event strong,.schedule-event small{display:block}.schedule-event strong{font-size:10.5px;color:#9b2b82}.schedule-event small{font-size:9.5px;margin-top:2px}
.schedule-recess{padding:3px 8px;font-size:9px;font-weight:800;background:#f5f5e6;border-top:1px solid #d7d9aa;border-bottom:1px solid #d7d9aa}
@media(max-width:720px){.schedule-grid{grid-template-columns:repeat(5,145px)}.schedule-card{margin-left:-2px;margin-right:-2px}.schedule-week-title{position:sticky;left:0}}

/* Acceso rápido al último mensaje, visible solo al revisar mensajes anteriores. */
.jump-to-latest{position:fixed;z-index:19;right:max(18px,calc((100vw - 880px)/2 + 22px));bottom:calc(108px + env(safe-area-inset-bottom));width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:rgba(255,255,255,.97);color:var(--ink);font-size:24px;line-height:1;box-shadow:0 8px 28px rgba(28,48,35,.16);backdrop-filter:blur(14px);transition:transform .16s,box-shadow .16s}
.jump-to-latest:hover{transform:translateY(2px);box-shadow:0 5px 18px rgba(28,48,35,.2)}
.jump-to-latest:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media(max-width:640px){.jump-to-latest{right:18px;bottom:calc(100px + env(safe-area-inset-bottom))}}
@media print{.jump-to-latest{display:none!important}}

/* Hojas para alumnos: no confundir con instrucciones de uso para docentes. */
.workbook-preview{display:flex;flex-direction:column;gap:18px}
.workbook-page{position:relative;box-sizing:border-box;min-height:760px;padding:30px 38px;background:#fff;color:#222;border:1px solid #dce6dd;border-radius:14px;box-shadow:0 4px 18px rgba(18,35,25,.05);break-inside:avoid}
.workbook-topline{font-size:12px;font-weight:700;letter-spacing:.025em;color:#54785f;border-bottom:1px solid #d7e5d9;padding-bottom:7px;margin-bottom:16px}
.workbook-page h2{font-size:21px;line-height:1.25;margin:0 0 12px;color:#255e3f}
.workbook-instruction{font-size:16px;font-weight:600;line-height:1.45;margin:0 0 12px}
.workbook-illustration{display:flex;justify-content:center;align-items:center;margin:12px auto;max-width:100%}
.workbook-illustration img{display:block;width:auto;max-width:100%;max-height:280px;object-fit:contain}
.workbook-illustration.is-coloring img{max-height:380px}
.workbook-image-pending{border:1px dashed #b7c6bb;border-radius:12px;min-height:150px;display:grid;place-items:center;color:#647368;margin:12px 0;text-align:center;padding:16px}
.workbook-exercises{font-size:15px;line-height:1.45}
.workbook-exercises ul{margin:10px 0 16px;padding-left:20px}.workbook-exercises li{margin:5px 0}
.workbook-drawing-area{height:190px;border:1.5px solid #b9cbbd;border-radius:8px;margin:15px 0 28px}
.workbook-answer-lines{margin:18px 0 24px}.workbook-answer-lines>div{height:28px;border-bottom:1px solid #a8b7ab}
.workbook-footer{font-size:12px;color:#536657;margin-top:22px;padding-top:12px;border-top:1px solid #dce7de}
.workbook-teacher-guide{margin:20px 0;padding:16px;background:#f4f8f4;border:1px solid #dbe7dd;border-radius:12px}
.workbook-teacher-guide summary{cursor:pointer;font-weight:700}.workbook-teacher-guide p{font-size:13px;line-height:1.5}
.workbook-generate{margin-top:12px}
@media(max-width:560px){.workbook-page{padding:18px 17px;min-height:650px}.workbook-page h2{font-size:19px}.workbook-illustration img{max-height:240px}.workbook-illustration.is-coloring img{max-height:320px}.workbook-drawing-area{height:170px}}
@media print{
 .workbook-preview{display:block;gap:0}
 .workbook-page{border:0;border-radius:0;box-shadow:none;margin:0;padding:5mm 7mm;min-height:0;height:240mm;overflow:hidden;break-inside:avoid;page-break-inside:avoid;break-after:page;page-break-after:always}
 .workbook-page:last-child{break-after:auto;page-break-after:auto}
 .workbook-illustration img{max-height:80mm}.workbook-illustration.is-coloring img{max-height:115mm}
 .workbook-drawing-area{height:55mm}
 .workbook-teacher-guide,.workbook-generate{display:none!important}
 .workbook-footer{margin-top:10mm}
}

/* Luz deslizante que recorre toda la palabra mientras se construye la respuesta. */
.message.is-working{display:flex;align-items:center;min-height:46px}
.working-shimmer{display:inline-block;position:relative;font-weight:750;letter-spacing:.015em;font-size:15px;color:transparent;background:linear-gradient(105deg,#527563 0%,#527563 30%,#b3eecb 43%,#fff 50%,#8de6b0 57%,#527563 70%,#527563 100%);background-size:260% 100%;background-clip:text;-webkit-background-clip:text;animation:dameplan-working-light 1.65s linear infinite;filter:drop-shadow(0 0 2px rgba(107,212,154,.16))}
@keyframes dameplan-working-light{0%{background-position:110% 50%}100%{background-position:-110% 50%}}
@media(prefers-reduced-motion:reduce){.working-shimmer{animation:none;color:var(--accent);background:none}}

/* Snake oculto tras tres toques en Organizando… */
.working-shimmer{cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:manipulation}
.dp-snake-backdrop{position:fixed;inset:0;z-index:9999;background:rgba(15,28,20,.58);display:flex;align-items:center;justify-content:center;padding:16px;box-sizing:border-box}
.dp-snake-backdrop.hidden{display:none!important}
.dp-snake-dialog{box-sizing:border-box;width:min(100%,360px);max-height:calc(100dvh - 30px);overflow-y:auto;background:#fff;color:#243b29;border-radius:20px;padding:16px;box-shadow:0 20px 70px #0005;text-align:center}
.dp-snake-dialog header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}
.dp-snake-dialog header strong{font-size:16px}.dp-snake-dialog header span{font-size:13px}
#dp-snake-close{font-size:25px;border:0;background:transparent;color:#243b29;padding:0 8px}
#dp-snake-board{display:block;width:min(100%,300px);height:auto;aspect-ratio:1;margin:auto;border:6px solid #4a5941;border-radius:9px;box-sizing:border-box;touch-action:none;image-rendering:pixelated}
#dp-snake-status{font-size:12px;min-height:18px;margin:10px 0;color:#45634b}
.dp-snake-actions{display:flex;justify-content:center;gap:8px;margin-bottom:10px}
.dp-snake-actions button{padding:9px 18px;border-radius:9px;border:1px solid #abc1ac;background:#e6f0e5;color:#243b29;font-weight:700}
.dp-snake-controls{display:grid;grid-template-columns:repeat(3,52px);gap:7px;justify-content:center}
.dp-snake-controls button{height:45px;border-radius:10px;border:1px solid #abc1ac;background:#f0f6ed;color:#243b29;font-size:21px;font-weight:700;touch-action:manipulation}
@media print{.dp-snake-backdrop{display:none!important}}
/* Identidad editorial infantil para cuadernillos, sin sobrecargar la impresión. */
.workbook-page{border:2px solid #9bcb58;border-radius:23px;padding:33px 37px}
.workbook-topline{border:1.5px solid #9bcb58;border-radius:7px;padding:8px 12px;color:#3e684b;background:#fff}
.workbook-page h2{border:1.5px solid #83c8f5;border-radius:7px;padding:9px 12px;color:#286b75}
.workbook-instruction{border-left:3px solid #f2c44b;padding:8px 12px}
.workbook-drawing-area{border:1.5px solid #f2c44b;border-radius:11px}
.workbook-answer-lines>div{border-bottom:1px solid #50cfc5}
@media(max-width:560px){.workbook-page{padding:19px 17px}}
@media print{.workbook-page{border:1.5px solid #9bcb58;border-radius:16px;padding:8mm 9mm;height:240mm}}

.space-edit-dialog{border:0;border-radius:20px;padding:0;width:min(92vw,440px);max-height:90dvh;box-shadow:0 24px 80px #0004;color:#24352a;background:#fff}
.space-edit-dialog::backdrop{background:rgba(10,25,15,.5)}
.space-edit-form{display:grid;gap:12px;padding:24px;overflow:auto}
.space-edit-form h2{margin:0;font-size:22px}.space-edit-form p{margin:0 0 5px;font-size:13px;color:#617267}
.space-edit-form label{display:grid;gap:5px;font-size:13px;font-weight:650}
.space-edit-form input,.space-edit-form select{width:100%;box-sizing:border-box;border:1px solid #c9d8ce;border-radius:10px;padding:11px 12px;font-size:15px;background:white;color:#24352a}
.space-edit-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}

.compact-page{position:relative;background:white;padding:28px;margin-bottom:24px;min-height:700px;border:1px solid #e2e8e2}.compact-page p{font-size:14px;line-height:1.5}.compact-page h2{font-size:17px;margin:16px 0 6px}.compact-page footer{margin-top:24px;text-align:right;color:#666}.compact-meta{color:#536455;font-size:13px}.error-save{outline:2px solid #bb3f3f}.space-edit-form select[multiple]{min-height:100px}.workbook-image-pending{display:none}@media(max-width:600px){.compact-page{padding:16px;min-height:0}.doc-actions{gap:4px}.doc-actions .btn{padding:8px}.docbar h3{max-width:32vw}}@media print{.compact-page{border:0;min-height:0;break-after:page;margin:0;padding:0}.compact-page:last-child{break-after:auto}}

.editable:empty{display:inline-block;min-width:1em;min-height:1em}
.space-edit-dialog details{border-top:1px solid #d7e1dd;padding:14px 0}.space-edit-dialog summary{cursor:pointer;font-weight:700;padding:6px 0}.space-edit-dialog fieldset{border:1px solid #d7e1dd;border-radius:10px;margin:10px 0;padding:12px}.space-edit-dialog [data-tracking-error]{color:#9f2323;white-space:pre-wrap}