/* Constitución Fácil / Minimal study interface. No UI library, no decorative framework. */
:root{--canvas:#fafaf8;--paper:#ffffff;--ink:#222523;--ink-strong:#101311;--muted:#626a63;--subtle:#717871;--line:#e7e9e4;--line-strong:#cdd1cb;--panel:#f2f3ef;--action:#242a25;--action-text:#fff;--positive:#296b52;--negative:#a6534a;--focus:#526b9a;--sidebar:#f5f6f2;--radius:10px;--side:236px;--content:880px;color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-optical-sizing:auto;font-synthesis:none}

*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;min-width:320px;background:var(--canvas);color:var(--ink);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}body,button,input{font-family:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}p,h1,h2,h3,h4,ul,ol{margin:0}ul,ol{padding:0}button,input{font:inherit}button:disabled{cursor:default}img,svg{vertical-align:middle}a,button{touch-action:manipulation}::selection{background:#c5d7c9;color:#121512}:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:5px}.sr-only{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important}.skip-link{position:fixed;z-index:99;left:12px;top:-90px;padding:12px 16px;background:var(--ink-strong);color:var(--paper)}.skip-link:focus{top:12px}.is-hidden,[hidden]{display:none!important}
.app-layout{min-height:100vh}.app-sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--side);padding:35px 18px 24px 26px;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;z-index:10}.app-brand{display:flex;gap:11px;align-items:center;width:max-content;max-width:100%;font-size:16px;font-weight:700;letter-spacing:-.65px;color:var(--ink-strong);line-height:1}.brand-symbol{width:30px;height:30px;border:1.5px solid var(--ink-strong);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;font-size:23px;letter-spacing:-2px;padding-right:2px;font-style:italic}.brand-symbol span{font-family:inherit;font-style:normal;margin-left:0;margin-top:9px}.brand-name>span{font-weight:400}.sidebar-descriptor{font-size:12px;color:var(--muted);padding:17px 0 45px 0}.sidebar-nav{display:grid;gap:4px}.side-link{height:43px;padding:0 13px;display:flex;align-items:center;gap:13px;font-size:13px;font-weight:540;color:var(--muted);border-radius:8px;transition:background .18s,color .18s}.side-link svg{flex:none;opacity:.9}.side-link:hover,.sidebar-extra:hover{background:var(--panel);color:var(--ink-strong)}.side-link.is-active{color:var(--ink-strong);font-weight:680;background:var(--paper)}.sidebar-divider{height:1px;background:var(--line);margin:23px 4px 16px}.sidebar-extra{display:flex;align-items:center;gap:13px;padding:10px 12px;border-radius:8px;font-size:13px;color:var(--muted)}.sidebar-extra svg:last-child{margin-left:auto}.sidebar-secondary{display:flex;gap:17px;font-size:12px;color:var(--muted);margin:0 0 24px 12px}.sidebar-secondary a:hover{text-decoration:underline}.sidebar-notice{font-size:11px;color:var(--subtle);line-height:1.65;padding-left:12px}.desktop-topline{height:77px;margin-left:var(--side);padding:0 clamp(30px,7vw,90px);display:flex;justify-content:space-between;align-items:center;color:var(--subtle);font-size:10px;font-weight:700;letter-spacing:1.25px}.desktop-topline>span>span{padding:0 12px;color:var(--line-strong)}.theme-toggle{display:flex;align-items:center;justify-content:center;gap:9px;border:0;background:transparent;color:var(--muted);font-size:12px;letter-spacing:0;text-transform:none}.theme-toggle:hover{color:var(--ink-strong)}.desktop-theme{font-weight:520}.mobile-header,.app-tabs{display:none}
.app-main,.app-footer{margin-left:var(--side)}.app-main{min-height:calc(100vh - 200px)}.content-wrap{max-width:calc(var(--content) + 100px);padding:34px 44px 72px;margin:auto}.content-narrow{max-width:800px}.micro-label{display:inline-block;color:var(--muted);font-size:10px;letter-spacing:1.45px;font-weight:740;text-transform:uppercase}.home-hero{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(200px,.65fr);gap:42px;padding:35px 0 47px;border-bottom:1px solid var(--line)}.home-hero h1{font-size:clamp(36px,4.15vw,57px);font-weight:590;letter-spacing:-2.6px;line-height:1.13;margin:21px 0 19px;color:var(--ink-strong)}.home-hero h1 span{font-weight:390;color:var(--muted)}.home-hero p{max-width:510px;font-size:15px;color:var(--muted);line-height:1.6}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:23px;margin-top:27px}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;white-space:nowrap;border-radius:8px;border:1px solid var(--action);background:var(--action);color:var(--action-text);font-weight:630;font-size:13px;min-height:46px;padding:0 18px;transition:transform .16s,opacity .16s,border-color .16s}.button:hover{opacity:.9;transform:translateY(-1px)}.button-secondary{color:var(--ink-strong);background:var(--paper);border-color:var(--line-strong)}.button-ghost{background:transparent;border:1px solid transparent;color:var(--muted)}.button-small{min-height:38px;padding:0 13px;font-size:12px;gap:8px}.text-action,.line-link{display:inline-flex;align-items:center;gap:9px;color:var(--ink-strong);font-size:13px;font-weight:600}.text-action:hover,.line-link:hover{text-decoration:underline;text-underline-offset:4px}.hero-numbers{border-left:1px solid var(--line);padding:27px 0 12px 33px;align-self:stretch;display:flex;flex-direction:column;justify-content:center;gap:24px}.hero-numbers>div:not(.hero-progress-line){display:flex;flex-direction:column;gap:0}.hero-numbers strong{font-size:34px;line-height:1.12;font-weight:590;letter-spacing:-1.2px;color:var(--ink-strong);font-variant-numeric:tabular-nums}.hero-numbers span{font-size:11px;color:var(--muted)}.hero-progress-line,.topic-meter{height:3px;background:var(--line);overflow:hidden;border-radius:4px}.hero-progress-line span,.topic-meter span{display:block;width:0;height:100%;background:var(--ink-strong);transition:width .35s}.resume-line{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--panel);padding:21px 24px;margin:27px 0 58px;border-radius:9px}.resume-title{display:flex;flex-direction:column;align-items:flex-start}.resume-title .micro-label{font-size:9px;margin-bottom:4px}.resume-title strong{color:var(--ink-strong);font-size:17px;font-weight:620;letter-spacing:-.4px}.resume-title p{color:var(--muted);font-size:12px;margin-top:2px}.resume-action{display:flex;align-items:center;justify-content:center;flex:none;background:var(--paper);border:1px solid var(--line);border-radius:8px;width:43px;height:43px}.resume-action:hover{border-color:var(--ink-strong)}.section-heading-min{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:24px}.section-heading-min h2,.subtle-section h2,.topic-block h2,.adjacent-themes h2,.panel-header h2{font-size:22px;letter-spacing:-.75px;font-weight:600;color:var(--ink-strong);line-height:1.35}.section-heading-min p,.page-heading>p,.quiz-page-heading>p{font-size:14px;color:var(--muted);margin-top:7px;line-height:1.6}.section-heading-min>span{font-size:11px;color:var(--subtle);letter-spacing:.65px;white-space:nowrap}.subject-list{border-top:1px solid var(--line-strong)}.subject-row{border-bottom:1px solid var(--line);display:flex;align-items:center;min-height:106px;transition:background .15s}.subject-row:hover{background:var(--panel)}.subject-main{display:grid;grid-template-columns:53px minmax(0,1fr);padding:19px 9px 20px 3px;align-self:stretch;align-items:start;flex:1;min-width:0;gap:4px}.subject-index{font-size:11px;color:var(--subtle);padding-top:5px;font-variant-numeric:tabular-nums;letter-spacing:.8px}.subject-title-wrap{display:flex;flex-direction:column;gap:2px;min-width:0}.subject-title{color:var(--ink-strong);font-weight:610;font-size:16px;letter-spacing:-.36px;line-height:1.4}.subject-description{color:var(--muted);font-size:12px;line-height:1.5}.subject-progress{display:flex;align-items:center;gap:9px;color:var(--subtle);font-size:10px;margin-top:10px;font-variant-numeric:tabular-nums;line-height:1}.subject-progress-track{width:94px;max-width:32%;height:3px;border-radius:3px;background:var(--line);display:block;overflow:hidden}.subject-progress-track span{display:block;background:var(--ink-strong);width:0;height:100%;transition:width .35s}.subject-practice,.subject-arrow{width:44px;height:44px;flex:none;display:flex;align-items:center;justify-content:center;color:var(--muted);border-radius:7px}.subject-practice{border:1px solid var(--line)}.subject-practice:hover{background:var(--paper);color:var(--ink-strong);border-color:var(--line-strong)}.subject-arrow:hover{color:var(--ink-strong)}.minimal-alt-links{display:flex;gap:26px;flex-wrap:wrap;padding:33px 0 0}.minimal-alt-links a{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:540;color:var(--muted)}.minimal-alt-links a:hover{color:var(--ink-strong)}
.page-heading{padding:44px 0 35px;max-width:720px}.page-heading h1,.topic-intro h1,.quiz-page-heading h1{font-size:clamp(32px,4vw,48px);letter-spacing:-2.1px;line-height:1.15;font-weight:600;color:var(--ink-strong);margin:15px 0 8px}.page-heading>p{font-size:15px;line-height:1.65;max-width:670px}.subject-summary{display:flex;gap:20px;border-bottom:1px solid var(--line);padding:0 0 18px;color:var(--muted);font-size:12px}.subject-summary span:not(:last-child):after{content:"·";margin-left:20px;color:var(--line-strong)}.subjects-page{margin-top:5px}.subtle-section{padding:45px 0 25px}.subtle-section h2{font-size:18px}.minimal-choices{display:flex;gap:27px;flex-wrap:wrap;margin-top:19px}.minimal-choices a{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px}.minimal-choices a:hover{color:var(--ink-strong)}
.back-link{display:inline-flex;gap:9px;align-items:center;color:var(--muted);font-size:12px;margin:20px 0 35px}.back-link:hover{color:var(--ink-strong)}.topic-intro{max-width:760px}.topic-intro h1{max-width:700px}.topic-lead{font-size:16px;line-height:1.75;color:var(--muted);max-width:670px;margin-top:20px}.topic-intro .hero-actions{margin:29px 0 40px}.topic-tracker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:21px 0 20px;margin-bottom:53px}.topic-tracker-top{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);margin-bottom:12px}.topic-tracker-top strong{font-size:13px;color:var(--ink-strong);font-weight:600;font-variant-numeric:tabular-nums}.topic-metrics{display:flex;gap:42px;padding-top:20px}.topic-metrics>div{display:flex;flex-direction:column;gap:3px}.topic-metrics strong{font-size:20px;letter-spacing:-.6px;font-weight:600;color:var(--ink-strong);font-variant-numeric:tabular-nums}.topic-metrics span{font-size:11px;color:var(--muted)}.topic-material{display:grid;grid-template-columns:1fr 1fr;gap:75px;padding-bottom:57px;border-bottom:1px solid var(--line)}.topic-block h2{margin-bottom:21px}.topic-block>p{line-height:1.75;color:var(--muted);font-size:14px}.topic-block .line-link{margin-top:23px}.concept-list{list-style:none}.concept-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.5}.concept-list li:first-child{padding-top:0}.concept-list li:last-child{border-bottom:0}.topic-examples{padding-top:53px}.question-preview-list{border-top:1px solid var(--line-strong)}.question-preview{border-bottom:1px solid var(--line)}.question-preview summary{padding:19px 2px;display:flex;align-items:center;justify-content:space-between;gap:25px;cursor:pointer;font-size:14px;font-weight:560;list-style:none;color:var(--ink-strong)}.question-preview summary::-webkit-details-marker{display:none}.question-preview summary svg{flex:none;transition:transform .2s}.question-preview[open] summary svg{transform:rotate(90deg)}.question-preview-answer{padding:4px 2px 21px;color:var(--muted);font-size:13px}.question-preview-answer strong{display:block;font-weight:650;color:var(--positive)}.question-preview-answer p{margin-top:8px;line-height:1.7}.adjacent-themes{padding:50px 0 10px}.adjacent-themes h2{font-size:18px}.adjacent-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.adjacent-list a{border:1px solid var(--line);border-radius:9px;min-height:96px;padding:18px;display:grid;grid-template-columns:1fr auto;gap:3px}.adjacent-list a span{font-size:11px;color:var(--muted);grid-column:1/3}.adjacent-list a strong{font-size:13px;font-weight:620}.adjacent-list a svg{align-self:center}.adjacent-list a:hover{border-color:var(--line-strong);background:var(--paper)}
/* Quiz. A single focal action, no competing columns or decorative cards. */
.quiz-page-wrap{max-width:840px}.quiz-page-heading{padding:27px 0 28px}.quiz-page-heading h1{font-size:clamp(30px,4vw,41px);margin:10px 0 8px}.quiz-page-heading>p{max-width:560px;font-size:13px}.quiz-workspace{border-top:1px solid var(--line-strong)}.quiz-card{padding:34px 0 46px}.quiz-topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.quiz-topbar h2{font-size:24px;letter-spacing:-.8px;font-weight:610;margin-top:6px;color:var(--ink-strong)}.quiz-topbar strong{font-size:12px;font-weight:580;color:var(--muted)}.quiz-kicker,.mini-label{display:block;font-size:10px;font-weight:690;letter-spacing:1.15px;color:var(--muted);text-transform:uppercase}.quiz-meta{display:flex;justify-content:flex-end;align-items:center;gap:9px;flex-wrap:wrap}.quiz-chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:570;color:var(--muted);border:1px solid var(--line);padding:6px 9px;border-radius:6px}.quiz-chip-timer{background:var(--panel);font-variant-numeric:tabular-nums}.quiz-chip-label{opacity:.75}.result-copy{font-size:14px;line-height:1.72;color:var(--muted);max-width:640px;margin:0 0 21px}.quiz-topbar+ .result-copy{margin-top:5px}.quiz-progress{height:3px;background:var(--line);border-radius:3px;overflow:hidden;margin:0 0 36px}.quiz-progress-bar{height:100%;background:var(--ink-strong);transition:width .2s}.quiz-question{font-size:clamp(22px,3vw,32px);letter-spacing:-.75px;line-height:1.4;color:var(--ink-strong);font-weight:580;max-width:710px;margin-bottom:28px}.quiz-options{display:grid;gap:10px}.quiz-option{display:flex;text-align:left;align-items:center;gap:16px;width:100%;border:1px solid var(--line-strong);background:var(--paper);color:var(--ink-strong);border-radius:9px;min-height:64px;padding:18px 21px;line-height:1.55;font-size:14px;font-weight:470;transition:border-color .16s,background .16s}.quiz-option:hover:enabled,.quiz-option:focus-visible{border-color:var(--ink-strong);background:var(--panel)}.quiz-option.correct{background:color-mix(in srgb,var(--positive) 8%,var(--paper));border-color:var(--positive);color:var(--ink-strong)}.quiz-option.incorrect{background:color-mix(in srgb,var(--negative) 8%,var(--paper));border-color:var(--negative)}.quiz-option.dimmed{opacity:.58}.quiz-running-score{margin-top:19px;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.quiz-feedback{margin:24px 0 0;padding:22px 24px;background:var(--panel);border-radius:8px;border-left:3px solid var(--positive)}.quiz-feedback.is-incorrect{border-color:var(--negative)}.quiz-feedback-title{font-size:14px;margin-bottom:8px;color:var(--ink-strong)}.quiz-answer-note{font-size:13px;color:var(--ink);margin-bottom:9px;line-height:1.65}.quiz-explanation-inline p{color:var(--muted);font-size:13px;line-height:1.7}.quiz-footer{margin-top:22px;display:flex;justify-content:flex-end}.quiz-footer .button{min-width:180px}.quiz-help{color:var(--subtle);font-size:11px;display:flex;align-items:center;gap:8px;padding:13px 0 28px;border-top:1px solid var(--line);line-height:1.45}.timer-box{padding:14px 0 25px}.timer-box label{display:inline-flex;align-items:center;gap:11px;font-size:13px;color:var(--ink)}input[type=checkbox]{width:18px;height:18px;accent-color:var(--ink-strong)}.quiz-app .hero-actions{margin-top:24px}.quiz-app .hero-actions a{font-size:13px}.quiz-app .empty-state{padding:60px 0}.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:29px 0}.result-tile{padding:20px;background:var(--panel);display:flex;flex-direction:column;gap:5px;border-radius:8px}.result-tile strong{font-size:30px;letter-spacing:-1px;font-weight:600;color:var(--ink-strong)}.result-tile span{font-size:11px;color:var(--muted)}.result-next-step{border-top:1px solid var(--line);padding-top:25px}.result-next-step h3{font-size:20px;letter-spacing:-.5px;font-weight:590;margin:10px 0}.result-next-step p:not(.mini-label){color:var(--muted);font-size:13px}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
/* Progress: typographic values + honest data; avoid decorative charts. */
.stats-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0}.stat-card{border-right:1px solid var(--line);padding:5px 12px;min-height:71px}.stat-card:first-child{padding-left:0}.stat-card:last-child{border-right:0}.stat-card strong{display:block;font-size:27px;font-variant-numeric:tabular-nums;font-weight:590;letter-spacing:-1px;color:var(--ink-strong)}.stat-card p{font-size:11px;color:var(--muted);line-height:1.5;margin-top:4px}.unique-progress-min{display:grid;grid-template-columns:1fr auto;align-items:center;gap:9px 30px;padding:33px 0 33px;border-bottom:1px solid var(--line)}.unique-progress-min h2{font-size:19px;letter-spacing:-.6px;font-weight:600}.unique-progress-min p{font-size:12px;color:var(--muted);max-width:490px;margin-top:5px;line-height:1.6}.unique-progress-min>strong{font-size:28px;font-weight:620;font-variant-numeric:tabular-nums;color:var(--ink-strong)}.unique-progress-min>strong small{font-size:13px;color:var(--muted);font-weight:450}.unique-progress-min .topic-meter{grid-column:1/3;margin-top:12px}.progress-layout{display:grid;grid-template-columns:1fr 1fr;gap:45px;margin-top:44px}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px}.panel-header .panel-title{font-size:19px}.progress-overview-card{padding:0 0 23px;border-bottom:1px solid var(--line)}.progress-overview-main h3{font-size:21px;line-height:1.4;margin:10px 0 10px;font-weight:590;letter-spacing:-.5px}.progress-overview-main>p:last-child{color:var(--muted);font-size:13px;line-height:1.65}.progress-summary-stack{display:flex;flex-direction:column;gap:0}.summary-panel{border-bottom:1px solid var(--line);padding:23px 0}.summary-panel:last-child{border-bottom:0}.summary-panel h3{font-size:16px;font-weight:600;line-height:1.42;margin:8px 0}.summary-panel>p:not(.mini-label){font-size:12px;line-height:1.65;color:var(--muted)}.summary-panel .button{margin-top:13px}.summary-actions-row{display:flex;gap:6px;flex-wrap:wrap}.summary-list{margin-top:17px}.summary-list>div{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:12px}.summary-list span{color:var(--muted)}.session-list{margin-top:10px}.session-item{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center}.session-item strong{font-size:12px;font-weight:600}.session-item p,.session-item>span{font-size:11px;color:var(--muted)}.topic-progress-list{border-top:1px solid var(--line)}.topic-progress-item{padding:18px 0 23px;border-bottom:1px solid var(--line)}.topic-progress-head{display:flex;gap:12px;justify-content:space-between;align-items:start}.topic-progress-head strong{font-size:13px;color:var(--ink-strong);font-weight:610}.topic-progress-sub{font-size:11px;color:var(--muted);margin:5px 0 10px;line-height:1.5}.status-pill{display:inline-block;white-space:nowrap;font-size:10px;color:var(--muted);padding:2px 0}.status-pill-good{color:var(--positive)}.status-pill-alert{color:var(--negative)}.topic-progress-item .metric-stack{margin-top:12px}.metric-row{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);margin-bottom:5px}.metric-row strong{font-size:11px}.topic-progress-bar{height:3px;background:var(--line);border-radius:3px;overflow:hidden}.topic-progress-fill{background:var(--ink-strong);height:100%}.topic-progress-fill-accuracy{background:var(--positive)}.inline-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.topic-progress-item .inline-actions{margin-top:16px}.text-link{font-size:11px;font-weight:590;color:var(--ink-strong);text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:4px}.text-link:hover{text-decoration-color:var(--ink-strong)}
/* Errors: flat list, prioritized from existing real records. */
.errors-workspace{padding-top:12px}.errors-header{margin:0;border-bottom:1px solid var(--line-strong);padding-bottom:19px;align-items:end}.errors-header h2{font-size:19px}.errors-header p{font-size:12px;color:var(--muted);margin-top:3px}.error-list>.empty-state{padding:48px 0}.empty-state h3{font-size:20px;font-weight:590;letter-spacing:-.5px;margin:0 0 8px}.empty-state p{font-size:13px;color:var(--muted);max-width:450px;margin-bottom:24px;line-height:1.7}.error-summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-bottom:1px solid var(--line);padding:19px 0}.error-summary-card{padding:0 18px;border-right:1px solid var(--line);display:flex;flex-direction:column}.error-summary-card:first-child{padding-left:0}.error-summary-card:last-child{border-right:0}.error-summary-card strong{font-size:17px;font-weight:600;line-height:1.4;letter-spacing:-.35px;margin:9px 0 3px}.error-summary-card:first-child strong{font-size:30px}.error-summary-card span{font-size:11px;color:var(--muted);line-height:1.5}.error-item{padding:22px 0;border-bottom:1px solid var(--line);display:flex;align-items:end;justify-content:space-between;gap:15px}.error-item h3{font-size:16px;line-height:1.48;max-width:620px;font-weight:590;margin:9px 0}.error-meta{display:flex;flex-wrap:wrap;gap:10px 17px;font-size:11px;color:var(--muted)}.error-item .inline-actions{flex-direction:column;align-items:end;flex:none}.error-quiz-section{margin-top:36px}
/* Static content: no marketing landing-page treatment. */
.faq-list{border-top:1px solid var(--line-strong);margin-top:7px}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{font-weight:560;font-size:14px;line-height:1.5;color:var(--ink-strong);padding:19px 2px;cursor:pointer}.faq-item summary:hover{color:var(--muted)}.faq-item p{font-size:13px;color:var(--muted);line-height:1.75;padding:0 2px 20px}.minimal-prose{border-top:1px solid var(--line);padding-top:12px;font-size:14px;color:var(--ink);line-height:1.82}.minimal-prose h2{color:var(--ink-strong);font-size:19px;font-weight:600;letter-spacing:-.45px;margin:28px 0 9px}.minimal-prose p{margin-bottom:16px}.page-not-found .hero-actions{margin-top:26px}
/* Footer on desktop; on mobile only unobtrusive, off-main metadata. */
.app-footer{max-width:none;padding:26px clamp(30px,7vw,90px) 42px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 27px;color:var(--subtle);font-size:11px}.app-footer nav{display:flex;flex-wrap:wrap;gap:12px}.app-footer a:hover{color:var(--ink-strong)}
@media(max-width:1200px){:root{--side:214px}.content-wrap{padding-left:36px;padding-right:36px}.app-footer,.desktop-topline{padding-left:36px;padding-right:36px}.home-hero{gap:26px}.topic-material{gap:40px}.progress-layout{gap:27px}}
@media(max-width:930px){:root{--side:0px}.app-sidebar,.desktop-topline{display:none}.app-main,.app-footer{margin-left:0}.mobile-header{height:67px;padding:0 27px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--canvas);position:sticky;top:0;z-index:12}.mobile-theme{width:44px;height:44px;border-radius:8px}.mobile-theme .theme-toggle-icon{font-size:19px}.app-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;z-index:30;bottom:0;left:0;right:0;min-height:69px;padding:8px 7px max(10px,env(safe-area-inset-bottom));background:color-mix(in srgb,var(--paper) 96%,transparent);border-top:1px solid var(--line);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.tab-link{display:flex;align-items:center;flex-direction:column;justify-content:center;gap:5px;min-height:47px;border-radius:8px;color:var(--subtle);font-size:10px;font-weight:540;line-height:1.1}.tab-link.is-active{color:var(--ink-strong);font-weight:700}.tab-link.is-active svg{stroke-width:2.2px}.tab-link svg{width:19px;height:19px}.tab-link:hover{color:var(--ink-strong)}.content-wrap{padding:26px 28px 62px}.home-hero{padding-top:17px}.app-footer{padding:21px 28px 105px;justify-content:flex-start}.app-main{min-height:calc(100vh - 185px)}}
@media(max-width:650px){body{font-size:14px}.mobile-header{height:62px;padding:0 20px}.content-wrap{padding:24px 20px 49px}.home-hero{display:block;padding:13px 0 32px}.home-hero h1{font-size:clamp(33px,8.3vw,45px);letter-spacing:-1.8px;line-height:1.15;margin:18px 0 15px}.home-hero p{font-size:14px}.home-hero .hero-actions{margin-top:25px;gap:19px}.hero-numbers{padding:25px 0 0;border-left:0;margin-top:13px;display:grid;grid-template-columns:1fr 1fr;gap:13px}.hero-numbers strong{font-size:29px}.hero-numbers>div:not(.hero-progress-line){gap:5px}.hero-progress-line{grid-column:1/3}.resume-line{margin:15px 0 40px;padding:17px}.resume-title strong{font-size:16px}.section-heading-min{margin-bottom:16px}.section-heading-min h2{font-size:21px}.section-heading-min p{font-size:12px}.subject-row{min-height:93px}.subject-main{grid-template-columns:32px minmax(0,1fr);padding:16px 6px 15px 1px;gap:4px}.subject-index{font-size:10px;padding-top:3px}.subject-title{font-size:14px;letter-spacing:-.17px}.subject-description{font-size:11px;margin-top:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.subject-progress{margin-top:8px}.subject-practice,.subject-arrow{width:37px;height:43px}.subject-arrow{width:28px}.minimal-alt-links{padding:25px 0 0;gap:14px;flex-direction:column}.page-heading{padding:18px 0 29px}.page-heading h1,.topic-intro h1{font-size:clamp(31px,8vw,39px);letter-spacing:-1.5px}.page-heading>p{font-size:14px}.subject-summary{font-size:11px;gap:9px}.subject-summary span:not(:last-child):after{margin-left:9px}.back-link{margin:6px 0 22px}.topic-intro h1{margin-top:9px}.topic-lead{font-size:14px;line-height:1.75;margin-top:18px}.topic-intro .hero-actions{margin:22px 0 32px}.topic-tracker{padding:17px 0;margin-bottom:40px}.topic-material{grid-template-columns:1fr;gap:38px;padding-bottom:35px}.topic-block h2,.section-heading-min h2{font-size:20px}.topic-examples{padding-top:35px}.adjacent-themes{padding-top:40px}.adjacent-list{grid-template-columns:1fr;gap:10px}.adjacent-list a{min-height:77px}.quiz-page-heading{padding:8px 0 22px}.quiz-page-heading h1{font-size:34px}.quiz-card{padding:25px 0 34px}.quiz-topbar{align-items:start;gap:9px;margin-bottom:19px}.quiz-topbar h2{font-size:22px}.quiz-meta{gap:5px}.quiz-chip{font-size:10px;padding:5px 7px}.quiz-meta .quiz-chip:nth-child(2){display:none}.quiz-progress{margin-bottom:27px}.quiz-question{font-size:clamp(21px,5.7vw,27px);margin-bottom:22px}.quiz-option{min-height:61px;padding:15px 17px;font-size:14px}.quiz-feedback{padding:18px 19px}.quiz-footer .button{width:100%}.quiz-card .hero-actions{gap:10px}.result-grid{gap:6px}.result-tile{padding:13px 10px}.result-tile strong{font-size:25px}.result-tile span{font-size:10px}.result-actions{flex-direction:column}.result-actions .button{width:100%}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:25px}.stat-card:nth-child(3){border-right:0}.stat-card:nth-child(4){padding-left:0}.stat-card strong{font-size:25px}.unique-progress-min{padding:26px 0}.unique-progress-min h2{font-size:18px}.unique-progress-min>strong{font-size:23px}.progress-layout{grid-template-columns:1fr;gap:37px;margin-top:34px}.error-summary-grid{grid-template-columns:1fr 1fr;gap:15px 0}.error-summary-card:last-child{grid-column:1/3;border-right:0;border-top:1px solid var(--line);padding:12px 0 0;margin-top:5px}.error-summary-card:nth-child(2){border-right:0}.errors-header{align-items:start;flex-direction:column;gap:14px}.errors-header .inline-actions{width:100%;gap:8px}.errors-header .inline-actions .button{flex:1}.error-item{display:block}.error-item .inline-actions{align-items:start;flex-direction:row;margin-top:13px}.app-footer{padding:22px 20px 110px;gap:12px}.app-footer p{width:100%}}
@media(max-width:375px){.content-wrap{padding-left:16px;padding-right:16px}.brand-name{font-size:14px}.home-hero h1{font-size:33px}.subject-description{font-size:10.5px}.subject-practice{width:34px}.subject-arrow{width:23px}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-card:nth-child(3){border-right:1px solid var(--line);padding-left:0}.stat-card:nth-child(4){border-right:0;padding-left:12px}.stat-card:nth-child(5){padding-left:0}.hero-actions{gap:13px}.button{font-size:12px;padding:0 14px}.app-tabs{padding-left:2px;padding-right:2px}.tab-link{font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}}

/* Quiet answer indexing — unobtrusive A / B / C key. */
.option-key{display:inline-flex;flex:none;align-items:center;justify-content:center;width:28px;height:28px;background:var(--panel);border-radius:6px;color:var(--muted);font-weight:700;font-size:11px;line-height:1}.option-text{flex:1;min-width:0}.quiz-option.correct .option-key{background:color-mix(in srgb,var(--positive) 16%,var(--paper));color:var(--positive)}.quiz-option.incorrect .option-key{background:color-mix(in srgb,var(--negative) 16%,var(--paper));color:var(--negative)}




/* Constitución Fácil — interfaz editorial sin barra lateral. */
:root {
  --canvas: #F8FAF8;
  --paper: #FFFFFF;
  --ink: #31454A;
  --ink-strong: #16292F;
  --muted: #61757A;
  --subtle: #718389;
  --line: #E4ECE9;
  --line-strong: #CADBD5;
  --panel: #F0F6F2;
  --sidebar: #F8FAF8;
  --action: #176F67;
  --action-text: #FFFFFF;
  --positive: #197B64;
  --negative: #B65148;
  --focus: #288A78;
  --brand: #176F67;
  --brand-soft: #E5F3ED;
  --accent: #BD6F55;
  --accent-soft: #FCF0E9;
  --radius: 10px;
  --side: 0px;
  --content: 945px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --canvas: #0F2024;
  --paper: #182E32;
  --ink: #D3E0DC;
  --ink-strong: #F3F8F6;
  --muted: #B2C5C1;
  --subtle: #A5BBB5;
  --line: #2B4548;
  --line-strong: #3E5A5B;
  --panel: #193237;
  --sidebar: #0F2024;
  --action: #75D6BA;
  --action-text: #082C2A;
  --positive: #7EE3B5;
  --negative: #F2A59B;
  --focus: #8FE7CA;
  --brand: #83DDC3;
  --brand-soft: #23423E;
  --accent: #F5AE8A;
  --accent-soft: #3B302F;
  color-scheme: dark;
}
::selection { background: #BFE6D6; color: #0E3836; }
:root[data-theme="dark"] ::selection { background: #2E6860; color: #FFFFFF; }
.app-sidebar, .desktop-topline { display: none !important; }
.app-main, .app-footer { margin-left: 0 !important; }
.app-main { min-height: calc(100vh - 195px); }
.app-header {
  position: sticky; top: 0; z-index: 35;
  background: color-mix(in srgb,var(--canvas) 96%,transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px); -webkit-backdrop-filter:blur(16px);
}
.header-inner {
  width: min(100%,1192px); min-height:76px; margin-inline:auto;
  padding: 0 36px; display:flex; align-items:center; gap:34px;
}
.app-header .app-brand { flex: none; white-space: nowrap; }
.brand-symbol { color:var(--brand);border-color:var(--brand);background:var(--paper); }
.brand-symbol span { color:var(--accent); }
.brand-name>span { color:var(--brand);font-weight:650; }
.header-nav { display:flex;align-items:center;justify-content:center;gap:5px;flex:1; }
.header-nav a {
  min-height:42px;padding:10px 16px;border-radius:9px;
  font-weight:550;font-size:13px;color:var(--muted);
  transition:color .15s, background .15s;
}
.header-nav a:hover { background:var(--panel);color:var(--ink-strong); }
.header-nav a.is-current { color:var(--brand);background:var(--brand-soft);font-weight:680; }
.header-actions { display:flex;align-items:center;justify-content:flex-end; }
.theme-switch {
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:43px;padding:0 12px;white-space:nowrap;
  color:var(--ink-strong);background:var(--paper);
  border:1px solid var(--line-strong);border-radius:10px;
  font-size:12px;font-weight:600;
  transition:background .15s,border-color .15s;
}
.theme-switch:hover{background:var(--panel);border-color:var(--brand)}
.theme-switch .theme-sun { display:none; }
:root[data-theme="dark"] .theme-switch .theme-sun { display:block; }
:root[data-theme="dark"] .theme-switch .theme-moon { display:none; }
.content-wrap { padding-top:42px; }
.app-footer { max-width:1192px;margin:0 auto;padding-inline:36px; }
/* La paleta utiliza color para orientar; no para decorar superficies. */
.micro-label,.mini-label,.quiz-kicker {color:var(--brand)}
.home-hero h1 span{color:var(--brand);}
.button {box-shadow:none}
.button:hover:enabled {filter:brightness(1.06);opacity:1}
.button-secondary {color:var(--brand);border-color:var(--line-strong)}
.hero-numbers strong{color:var(--brand)}
.hero-numbers .facts-caption{color:var(--muted);font-size:11px}
.resume-line {background:var(--brand-soft);border-radius:9px;border-left:3px solid var(--accent)}
.resume-action{color:var(--brand)}
.subject-index{color:var(--brand);font-weight:740}
.subject-practice{color:var(--brand);border-color:var(--line-strong)}
.subject-practice:hover{color:var(--brand);background:var(--brand-soft);border-color:var(--brand)}
.subject-arrow:hover,.text-action:hover,.line-link:hover{color:var(--brand)}
.quiz-progress-bar{background:var(--brand)}
.quiz-option:hover:enabled,.quiz-option:focus-visible{border-color:var(--brand);background:var(--brand-soft)}
.quiz-option.correct{border-color:var(--positive)}
.quiz-option.incorrect{border-color:var(--negative)}
.option-key{color:var(--brand)}
:root[data-theme="dark"] .option-key{background:var(--panel)}
.tab-link.is-active{color:var(--brand);background:var(--brand-soft)}
.future-feature-icon{background:var(--brand-soft);color:var(--brand)}
@media (max-width:1100px) {
  .header-inner{gap:18px;padding-inline:27px}
  .header-nav a{padding-inline:12px}
  .app-footer{padding-inline:27px}
}
@media (max-width:930px) {
  .app-header .header-inner{min-height:67px;padding-inline:27px;justify-content:space-between}
  .header-nav{display:none}
  .app-header .app-brand{margin-right:auto}
  .app-tabs {grid-template-columns:repeat(4,minmax(0,1fr));}
  .theme-switch{width:43px;height:43px;padding:0}
  .theme-label{display:none}
  .app-footer{padding-bottom:105px}
  .content-wrap{padding-top:25px}
}
@media (max-width:650px) {
  .app-header .header-inner{min-height:62px;padding-inline:20px}
  .content-wrap{padding-top:23px}
  .app-footer{padding-inline:20px}
  .header-actions{gap:0}
}
@media (max-width:375px) {
  .app-header .header-inner{padding-inline:16px}
}

/* Páginas informativas de funciones reservadas a futuras cuentas. */
.future-feature{border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);padding:33px 0;display:flex;gap:21px;align-items:flex-start;margin-top:40px}
.future-feature h2{font-size:20px;letter-spacing:-.6px;color:var(--ink-strong);margin-bottom:8px}
.future-feature p{color:var(--muted);font-size:13px;line-height:1.65;max-width:530px}
.future-feature .hero-actions{margin-top:23px}
@media(max-width:650px){.future-feature{gap:14px}}