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24px}}@media(max-width:680px){.sidebar{position:fixed;top:auto;bottom:0;left:0;right:0;width:100%;height:70px;padding:8px 12px 10px;border-right:0;border-top:1px solid var(--border);background:#fff;z-index:10}.brand{display:none}.sidebar nav{display:flex;justify-content:space-around;gap:4px}.nav-button{flex:1;display:flex;flex-direction:column;gap:3px;padding:5px 6px;font-size:10px;min-height:48px}.nav-button span{display:block}.nav-button .count{display:none}.nav-button .icon{width:20px;height:20px}.workspace{margin:0}.topbar{height:61px;padding:0 19px}.breadcrumb{font-size:12px}.top-meta{font-size:11px;gap:8px}.top-meta .icon{width:17px}.main{padding:25px 18px 104px}.page-heading{align-items:flex-start;margin-bottom:23px;gap:12px}.page-heading .button{font-size:12px;padding:10px 12px;min-height:41px}.page-heading .button .icon{width:17px}h1{font-size:25px}.eyebrow{font-size:10px}.subheading{font-size:13px}.stats{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:20px}.stat{padding:16px}.stat-icon{display:grid;width:33px;height:33px}.stat strong{font-size:22px}.stat span{font-size:11px}.study-grid{grid-template-columns:1fr;gap:16px;margin-bottom:28px}.composer{padding:25px 22px}.composer h2{font-size:25px}.composer .spark{right:22px}.composer .intro{font-size:13px;max-width:260px}.composer-bottom{flex-direction:row;align-items:center}.composer-foot{font-size:11px}.composer .button{padding-inline:17px}.mode-options{grid-template-columns:repeat(2,1fr);margin-top:22px}.side-panels{grid-template-columns:1fr}.side-panels .tip{display:none}.panel{padding:20px}.goal-number{margin:5px 0 10px;font-size:25px}.goal-heading h3{font-size:14px}.deck-grid{grid-template-columns:1fr}.deck-card{min-height:190px;padding:20px}.section-heading h2{font-size:18px}.section-heading .button{padding-right:0;font-size:12px}.section-heading p{font-size:12px}.resume{align-items:flex-start;padding:17px;flex-direction:column}.resume .actions{width:100%}.toolbar{gap:10px}.segmented{width:100%}.segmented button{flex:1;font-size:12px;padding-inline:8px}.toolbar select{width:100%;max-width:none}.progress-columns{grid-template-columns:1fr}.card-row{padding:17px;gap:10px}.card-row .row-actions{flex-direction:column}.study-header h1{font-size:20px}.study-header .button{font-size:12px;padding-inline:12px}.flashcard{padding:23px 21px;border-radius:13px;min-height:330px}.flashcard-question{font-size:21px;margin:25px 0}.flashcard-top span{font-size:11px;max-width:85%}.flashcard-answer .answer{font-size:19px}.study-controls{gap:7px}.grade{font-size:12px;padding:11px 5px;min-height:70px}.grade small{font-size:10px}.study-source{font-size:10px}.recap{margin:20px auto}.recap h1{font-size:27px}.recap-stat strong{font-size:25px}.recap-stat span{font-size:11px}.recap-stats{gap:8px}.two-col{grid-template-columns:1fr;gap:0}.dialog-header{padding:18px}.dialog-body{padding:18px}.dialog-footer{padding:15px 18px}.dialog-header h2{font-size:18px}.editor-row{padding:13px}#toast{bottom:83px}.history-row{font-size:12px}.source-grid{gap:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media(min-width:681px){.mobile-only{display:none}}

body:has(dialog[open]){overflow:hidden}@media(max-width:400px){.stat-icon{display:none}.stat{padding:12px 14px}.stat strong{font-size:21px}.page-heading{margin-bottom:19px}.stats{margin-bottom:18px}}
.deck-footer-left{display:flex;flex-direction:column;align-items:flex-start;gap:5px;min-width:0}.deck-delete{display:inline-flex;align-items:center;gap:5px;padding:3px 0;background:transparent;color:#a13f47;font-size:13px;font-weight:700}.deck-delete:hover{color:#7f2932;text-decoration:underline}.deck-delete .icon{width:16px;height:16px}.deck-footer-left:empty{min-height:1px}.deck-footer-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px}.deck-manage{padding:3px 0;background:transparent;color:var(--muted);font-size:13px;font-weight:650}.deck-manage:hover{color:var(--blue);text-decoration:underline}@media(max-width:420px){.deck-footer{align-items:flex-end}.deck-footer-actions{flex-direction:column-reverse;align-items:flex-end;gap:5px}}
/* Whole-card recall interaction. Both faces share a grid cell and grow with text. */
.deck-card[data-action]{cursor:pointer}
.study-wrap{max-width:800px;margin:0 auto}
.study-header h1{font-size:26px;line-height:1.3;max-width:560px}
.study-header .button{flex-shrink:0}
.preview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:18px 2px 12px;color:#71829a;font-size:13px}
.flip-card{display:block;width:100%;padding:0;border:0;background:none;text-align:center;cursor:pointer;perspective:1600px;border-radius:24px;color:#173753;font:inherit;-webkit-tap-highlight-color:transparent}
.flip-card:focus-visible{outline:3px solid #326ec6;outline-offset:6px}
.flip-inner{display:grid;position:relative;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.2,.7,.2,1);width:100%}
.flip-card.is-flipped .flip-inner{transform:rotateY(180deg)}
.flip-face{grid-area:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:370px;padding:35px 48px 28px;border:1px solid #c8d9ec;border-radius:24px;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:linear-gradient(145deg,#fff,#f5f9ff);box-shadow:0 14px 34px #254b7914,0 5px 0 -1px #e9f0f9,0 6px 0 0 #ccdbee;overflow-wrap:anywhere;white-space:pre-wrap}
.flip-back{transform:rotateY(180deg);background:linear-gradient(145deg,#f5fffd,#eaf6f4);border-color:#b3d9d0}
.flip-face .eyebrow{letter-spacing:.16em;font-size:11px;margin:0 0 20px}
.flip-symbol{display:grid;place-items:center;width:54px;height:54px;border:1px solid #d8e5f4;border-radius:18px;background:#edf4fd;margin:0 0 22px;color:#5785bb}
.flip-symbol .icon{width:26px;height:26px}
.flip-title{font-size:34px;font-weight:650;line-height:1.3;display:block;max-width:100%}
.flip-back .flip-title{color:#127765}
.flip-detail{font-size:16px;line-height:1.7;margin-top:24px;max-width:570px;color:#496b69}
.flip-cue{display:flex;align-items:center;justify-content:center;gap:9px;font-size:12px;font-weight:400;color:#758aa3;margin-top:36px}
.flip-cue .icon{width:17px;height:17px}
.study-controls{margin-top:26px}
[hidden]{display:none!important}
.study-controls .grade{min-height:78px}
.study-footnote{margin:19px 0;color:#71829a}
@media(max-width:700px){.study-header{align-items:flex-start;gap:16px}.study-header h1{font-size:21px}.study-header .button{font-size:12px;padding:10px}.study-header .button .icon{display:none}.flip-face{min-height:340px;padding:27px 22px;border-radius:20px}.flip-title{font-size:28px}.flip-detail{font-size:14px;line-height:1.6}.flip-symbol{width:45px;height:45px;margin-bottom:19px}.flip-cue{font-size:11px}.preview-toolbar{font-size:12px}.study-controls{gap:8px}.study-controls .grade{padding:12px 5px;font-size:12px}.study-controls .grade small{font-size:10px}.study-source{gap:10px;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.flip-inner{transition:none}}
.study-card-tools{justify-content:flex-end;margin-top:8px}dialog:has(.pending-session){max-width:540px}dialog:has(.pending-session) .dialog-header{border-bottom:0;padding-bottom:0}dialog:has(.pending-session) .dialog-footer{border-top:0;background:white}.pending-session{margin:0;font-weight:650;overflow-wrap:anywhere}.pending-help{margin:10px 0 0;color:var(--muted);font-size:14px}dialog:has(.pending-session) .form-error:not(:empty){margin:14px 0 0}
.session-navigation{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;margin-top:22px}.session-navigation .button:first-child{justify-self:start}.session-navigation .button:last-child{justify-self:end}.session-navigation span{color:var(--muted);font-size:13px;text-align:center}.history-review{margin:0 0 10px;padding:10px 14px;border:1px solid #d7e3f1;border-radius:10px;background:#edf4fd;color:#365d8c;font-size:13px;text-align:center}
@media(max-width:520px){dialog:has(.pending-session) .dialog-footer{flex-direction:column;align-items:stretch}dialog:has(.pending-session) .dialog-footer .button{width:100%}.session-navigation{grid-template-columns:1fr 1fr}.session-navigation span{grid-column:1/-1;grid-row:1}.session-navigation .button{width:100%}.session-navigation .button:first-child{grid-column:1}.session-navigation .button:last-child{grid-column:2}}
.long-card .flip-front .flip-title{font-size:25px;line-height:1.5}.long-card .flip-symbol{display:none}.flip-reference{display:block;margin-top:20px;font-size:12px;color:#607b78}.editor-intro{padding:24px 28px;margin-bottom:28px;border:1px solid #d4e1ef;border-radius:16px;background:#edf4fd}.editor-intro p{margin:8px 0}.editor-intro small{color:#657a96}.editor-status{font-size:11px;color:#237862;background:#eaf8f0;padding:5px 8px;border-radius:6px}.editor-status.draft{background:#fff3dd;color:#856016}.editor-metadata{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-bottom:24px}.editor-metadata .field:last-child{grid-column:1/-1}.editor-metadata .field{margin:0}.editor-workbench{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}.editor-workbench>*{min-width:0}.editor-card-picker{margin-bottom:22px;padding-bottom:20px;border-bottom:1px solid #dde5ef}.editor-card-picker select{width:100%}.editor-preview{position:sticky;top:24px}.editor-preview .flip-face{padding:28px;min-height:420px}.editor-preview .flip-title{font-size:26px}.editor-preview .long-card .flip-front .flip-title{font-size:21px}.editor-workbench details{margin-top:20px}.editor-workbench summary{cursor:pointer;color:#536b89}.editor-workbench details .field{margin-top:18px}.editor-remove{margin-top:24px}.editor-remove button{color:#a44b50}.editor-withdraw{display:flex;gap:20px;justify-content:space-between;align-items:center;margin-top:28px;font-size:13px;color:#66758a}.severity-shortcuts{gap:4px}.editor-workbench textarea{resize:vertical}.editor-workbench .field{min-width:0}.editor-preview .flip-reference{font-size:11px}.editor-workbench input,.editor-metadata input{width:100%;min-width:0}
@media(max-width:1000px){.editor-workbench{grid-template-columns:1fr}.editor-preview{position:static}.editor-preview .flip-face{min-height:330px}.editor-withdraw{flex-direction:column;align-items:flex-start}.editor-metadata{grid-template-columns:1fr}.editor-metadata .field:last-child{grid-column:auto}}
@media(max-width:680px){.sidebar nav{grid-template-columns:repeat(4,1fr)}.sidebar nav .nav-button{font-size:10px;padding-inline:4px}.long-card .flip-front .flip-title{font-size:21px}.editor-intro{padding:20px}.editor-intro p{font-size:13px}.page-heading:has(#staff-status){flex-direction:column}.page-heading:has(#staff-status) .actions{width:100%;flex-wrap:wrap}.page-heading:has(#staff-status) .button{flex:1}.editor-preview .long-card .flip-front .flip-title{font-size:20px}.editor-status{font-size:10px}}

/* Keep editing controls inside the mobile viewport; 16px avoids iOS focus zoom. */
.editor-metadata>*,.editor-card-picker,.editor-card-picker .field{min-width:0}
.editor-card-picker select{max-width:100%}
.editor-metadata details{grid-column:1/-1}
.editor-metadata details .field{margin-top:12px}
@media(max-width:1000px){.editor-workbench .editor-preview{display:none}}
@media(max-width:768px),(pointer:coarse){
 input:not([type=checkbox]):not([type=radio]),select,textarea,
 .field input,.field select,.field textarea,.search,.toolbar select,.batch-add input,.recall textarea{font-size:16px}
 .dialog-body,.editor-metadata,.editor-workbench,.editor-workbench .panel{min-width:0;max-width:100%}
 .editor-workbench textarea,.editor-metadata input{max-width:100%}
 .editor-card-picker{display:flex;flex-wrap:wrap;gap:10px}
 .editor-card-picker .field{flex:1 1 100%}
}

/* Keep the prompt readable while recalling the answer. */
.flip-question{display:block;width:100%;max-width:570px;margin:0 0 24px;font-size:16px;font-weight:550;line-height:1.5;color:#4e676c;position:relative;top:-10px;white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:700px){.flip-question{font-size:15px;margin-bottom:20px;top:-7px}}
/* Biblioteca: tema visible sin añadir otra fila de controles. */
.deck-topic{display:inline-flex;align-self:flex-start;margin-top:8px;padding:2px 8px;border-radius:6px;background:#f0f3f7;color:#617087;font-size:12px;font-weight:650}
.subject-filters{display:flex;gap:8px;overflow-x:auto;margin:18px 0 24px;padding:4px 2px 8px;scrollbar-width:thin}
.subject-filters button{flex:0 0 auto;border:1px solid var(--border);border-radius:999px;background:#fff;color:#41536b;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer;transition:background .15s,border-color .15s,color .15s,box-shadow .15s}
.subject-filters button:hover{border-color:#9db2cb;color:var(--deep)}
.subject-filters button.active{border-color:var(--blue);background:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(33,79,133,.18)}
.subject-heading{margin:0 0 16px}
.subject-heading h2{margin:0;color:var(--deep);font-size:22px}
.subject-heading p{margin:4px 0 0;color:var(--muted);font-size:14px}
@media(max-width:720px){.subject-filters{margin-top:14px}.subject-filters button{padding:9px 13px;font-size:14px}.subject-heading h2{font-size:20px}}
.topic-label{display:inline-flex;align-items:center;min-height:39px;padding:0 12px;border-radius:10px;background:#eaf1fb;color:#315f98;font-size:13px;font-weight:750;white-space:nowrap}
.topic-icon.personal-deck{background:#f1e4d8;color:#745039}
.toolbar #category{min-height:45px;max-width:190px}
@media(max-width:700px){.toolbar #category{flex:1;max-width:none;min-width:130px}.toolbar .search-wrap{min-width:150px}}
.monthly-online-entry{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 1.25rem;margin:0 0 .75rem;border:1px solid #bfd6f0;border-radius:16px;background:#f4f8fe;color:#163d68}
.monthly-online-entry h2{font-size:1.1rem;margin:.35rem 0 .2rem}
.monthly-online-entry p{margin:0;color:#52708e;font-size:.9rem}
.monthly-online-badge{display:inline-block;font-size:.72rem;font-weight:750;letter-spacing:.03em;color:#285e9a;text-transform:uppercase}
.monthly-online-actions{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.monthly-gentle-reminder{display:flex;align-items:center;gap:.75rem;margin-top:1rem;padding:.75rem 1rem;border:1px solid #c9dcee;border-radius:12px;background:#f5f9fd;color:#204c78}
.monthly-gentle-reminder span{flex:1;font-weight:600}
@media(max-width:700px){.monthly-online-entry{align-items:stretch;flex-direction:column}.monthly-online-actions .button{flex:1}.monthly-gentle-reminder{flex-wrap:wrap}.monthly-gentle-reminder span{flex-basis:100%}}