:root{
  --bg:#08131d;
  --bg-soft:#0c1d29;
  --surface:#0f2430;
  --surface-2:#143243;
  --surface-3:#193d50;
  --border:#275166;
  --border-soft:#204255;
  --text:#dceced;
  --muted:#8fafb6;
  --title:#f7fbfb;
  --accent:#2ec4b6;
  --accent-2:#f4a261;
  --accent-3:#8ecae6;
  --accent-4:#e76f51;
  --ok:#70d38d;
  --warn:#ffd27e;
  --chip-blue-bg:rgba(142,202,230,.12);
  --chip-blue-text:#8ecae6;
  --chip-green-bg:rgba(112,211,141,.12);
  --chip-green-text:#70d38d;
  --chip-warm-bg:rgba(255,210,126,.14);
  --chip-warm-text:#ffd27e;
  --chip-orange-bg:rgba(244,162,97,.14);
  --chip-orange-text:#f4a261;
  --chip-red-bg:rgba(231,111,81,.14);
  --chip-red-text:#e76f51;
  --page-bg:
    radial-gradient(circle at 10% 10%, rgba(46,196,182,.16), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(244,162,97,.12), transparent 20%),
    radial-gradient(circle at 82% 65%, rgba(142,202,230,.12), transparent 24%),
    linear-gradient(180deg, #071019 0%, #08131d 45%, #0b1720 100%);
  --panel-bg:linear-gradient(160deg, rgba(11,29,39,.96), rgba(14,38,50,.92));
  --card-bg:linear-gradient(180deg, rgba(17,44,58,.9), rgba(13,33,44,.94));
  --shadow:0 22px 54px rgba(0,0,0,.26);
  --soft-shadow:0 14px 30px rgba(0,0,0,.18);
}

body.light{
  --bg:#f6efe3;
  --bg-soft:#fbf7ef;
  --surface:#fffdf8;
  --surface-2:#f7f0e3;
  --surface-3:#efe3d1;
  --border:#d4c3ab;
  --border-soft:#dfcfb8;
  --text:#243740;
  --muted:#5f7271;
  --title:#122229;
  --accent:#0f8b8d;
  --accent-2:#c97a3d;
  --accent-3:#4f8caf;
  --accent-4:#c85d40;
  --ok:#2f8f45;
  --warn:#b47a14;
  --chip-blue-bg:rgba(79,140,175,.10);
  --chip-blue-text:#4f8caf;
  --chip-green-bg:rgba(47,143,69,.10);
  --chip-green-text:#2f8f45;
  --chip-warm-bg:rgba(180,122,20,.10);
  --chip-warm-text:#b47a14;
  --chip-orange-bg:rgba(201,122,61,.10);
  --chip-orange-text:#c97a3d;
  --chip-red-bg:rgba(200,93,64,.10);
  --chip-red-text:#c85d40;
  --page-bg:
    radial-gradient(circle at 11% 10%, rgba(15,139,141,.07), transparent 25%),
    radial-gradient(circle at 88% 0%, rgba(201,122,61,.08), transparent 18%),
    linear-gradient(180deg, #faf6ed 0%, #f6efe3 44%, #efe6d8 100%);
  --panel-bg:linear-gradient(160deg, rgba(255,252,246,.98), rgba(248,241,229,.96));
  --card-bg:linear-gradient(180deg, rgba(255,253,248,.96), rgba(248,241,229,.96));
  --shadow:0 18px 44px rgba(73,58,30,.10);
  --soft-shadow:0 10px 24px rgba(73,58,30,.08);
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  min-height:100vh;
  font-family:"IBM Plex Sans",sans-serif;
  background:var(--page-bg);
  color:var(--text);
}

body::before{
  content:"";
  position:fixed;
  right:-12vw;
  bottom:-20vh;
  width:44vw;
  height:44vw;
  border-radius:50%;
  background:radial-gradient(circle, rgba(46,196,182,.10), transparent 62%);
  filter:blur(16px);
  pointer-events:none;
}

a{
  color:inherit;
}

button,
input,
select{
  font:inherit;
}

code{
  font-family:"IBM Plex Mono",monospace;
  font-size:.92em;
}

.page-shell{
  position:relative;
  z-index:1;
  width:min(1320px, calc(100% - 32px));
  margin:0 auto;
  padding:20px 0 28px;
}

.site-header{
  position:sticky;
  top:12px;
  z-index:40;
  display:flex;
  align-items:center;
  gap:18px;
  padding:14px 18px;
  border-radius:24px;
  background:rgba(8,20,29,.78);
  backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--soft-shadow);
}

body.light .site-header{
  background:rgba(255,251,244,.86);
  border-color:rgba(89,71,36,.08);
}

.brand-button{
  display:flex;
  align-items:center;
  gap:14px;
  padding:0;
  border:none;
  background:none;
  cursor:pointer;
  text-align:left;
  color:inherit;
}

.brand-mark{
  width:58px;
  height:66px;
  display:grid;
  place-items:center;
  clip-path:polygon(50% 0, 90% 16%, 90% 70%, 50% 100%, 10% 70%, 10% 16%);
  background:linear-gradient(180deg, var(--accent), #0f6f78);
  color:#fff;
  font-family:"Bebas Neue",sans-serif;
  letter-spacing:2px;
  font-size:1.3rem;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2);
}

.brand-copy{
  display:flex;
  flex-direction:column;
  gap:2px;
}

.brand-copy strong{
  color:var(--title);
  font-family:"Bebas Neue",sans-serif;
  font-size:2rem;
  line-height:1;
  letter-spacing:2px;
}

.brand-copy small{
  color:var(--muted);
  font-size:.76rem;
  letter-spacing:1.2px;
  text-transform:uppercase;
}

.site-nav{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.nav-tab{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border:none;
  border-radius:999px;
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  font-family:"IBM Plex Mono",monospace;
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.8px;
  transition:.2s ease;
}

.nav-tab:hover,
.nav-tab.is-active{
  color:var(--title);
  background:rgba(46,196,182,.10);
}

body.light .nav-tab:hover,
body.light .nav-tab.is-active{
  background:rgba(15,139,141,.08);
}

.nav-badge{
  min-width:28px;
  padding:2px 7px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  color:var(--title);
  font-size:.68rem;
  text-align:center;
}

.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}

.header-metric{
  width:220px;
  min-width:220px;
  padding:12px 14px;
  border-radius:18px;
  background:var(--card-bg);
  border:1px solid var(--border-soft);
}

.header-metric strong{
  display:block;
  color:var(--title);
  font-family:"Bebas Neue",sans-serif;
  font-size:1.85rem;
  line-height:1;
  letter-spacing:1px;
}

.header-metric small{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:.78rem;
  line-height:1.45;
}

.theme-toggle{
  padding:12px 16px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface-2);
  color:var(--title);
  cursor:pointer;
  font-family:"IBM Plex Mono",monospace;
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.8px;
  transition:.2s ease;
}

.theme-toggle:hover{
  border-color:var(--accent);
  color:var(--accent);
}

main{
  display:flex;
  flex-direction:column;
  gap:22px;
  padding-top:22px;
}

.tab-panel{
  display:none;
  flex-direction:column;
  gap:22px;
}

.tab-panel.is-active{
  display:flex;
}

.hero-panel,
.section-block{
  border-radius:30px;
  background:var(--panel-bg);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow);
}

body.light .hero-panel,
body.light .section-block{
  border-color:rgba(89,71,36,.08);
}

.hero-panel{
  display:grid;
  grid-template-columns:minmax(0, 1.35fr) minmax(330px, .85fr);
  gap:22px;
  padding:34px;
}

.hero-copy{
  position:relative;
}

.hero-copy::after{
  content:"";
  position:absolute;
  top:-20px;
  right:8%;
  width:160px;
  height:160px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(142,202,230,.18), transparent 64%);
  filter:blur(8px);
  pointer-events:none;
}

.hero-side{
  display:flex;
  flex-direction:column;
  gap:16px;
}

.eyebrow{
  display:inline-block;
  margin-bottom:10px;
  color:var(--accent);
  font-family:"IBM Plex Mono",monospace;
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:1px;
}

h1,
h2,
h3{
  margin:0;
  color:var(--title);
}

h1{
  max-width:12ch;
  font-family:"Bebas Neue",sans-serif;
  font-size:clamp(3.4rem, 8vw, 6.3rem);
  line-height:.92;
  letter-spacing:2px;
}

.hero-text{
  max-width:65ch;
  margin:18px 0 0;
  color:var(--muted);
  font-size:1.06rem;
  line-height:1.78;
}

.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:24px;
}

.primary-btn,
.ghost-btn,
.doc-btn,
.topic-action-btn,
.topic-link-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 16px;
  border-radius:16px;
  text-decoration:none;
  font-weight:700;
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}

.primary-btn,
.doc-btn-primary,
.topic-action-btn{
  border:none;
  background:linear-gradient(135deg, var(--accent), #167c84);
  color:#fff;
  box-shadow:0 16px 30px rgba(46,196,182,.18);
}

.ghost-btn,
.doc-btn-secondary,
.topic-link-btn{
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--title);
}

.primary-btn:hover,
.ghost-btn:hover,
.doc-btn:hover,
.topic-action-btn:hover,
.topic-link-btn:hover{
  transform:translateY(-1px);
}

.stats-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:14px;
  margin-top:28px;
}

.stat-card,
.panel-card,
.focus-card,
.info-card,
.doc-card,
.topic-card,
.review-item,
.empty-state{
  border-radius:24px;
  background:var(--card-bg);
  border:1px solid var(--border-soft);
  box-shadow:var(--soft-shadow);
}

.stat-card{
  padding:18px;
}

.stat-label{
  display:block;
  color:var(--muted);
  font-family:"IBM Plex Mono",monospace;
  font-size:.76rem;
  text-transform:uppercase;
  letter-spacing:.9px;
}

.stat-card strong{
  display:block;
  margin-top:6px;
  color:var(--title);
  font-family:"Bebas Neue",sans-serif;
  font-size:2rem;
  line-height:1;
  letter-spacing:1px;
}

.stat-card small{
  display:block;
  margin-top:8px;
  color:var(--muted);
  line-height:1.5;
}

.panel-card{
  padding:22px;
}

.quick-links-card .quick-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:6px;
}

.subject-progress-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:6px;
}

.subject-progress-item{
  width:100%;
  padding:14px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.06);
  background:rgba(255,255,255,.03);
  cursor:pointer;
  color:inherit;
  text-align:left;
}

body.light .subject-progress-item{
  background:rgba(0,0,0,.02);
  border-color:rgba(0,0,0,.06);
}

.subject-progress-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:8px;
}

.subject-progress-top strong{
  color:var(--title);
}

.subject-progress-top span{
  color:var(--accent);
  font-family:"IBM Plex Mono",monospace;
  font-size:.82rem;
}

.subject-progress-item small{
  display:block;
  margin-top:8px;
  color:var(--muted);
  line-height:1.45;
}

.section-block{
  padding:28px;
}

.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:22px;
}

.section-head h2{
  font-family:"Bebas Neue",sans-serif;
  font-size:2.7rem;
  line-height:1;
  letter-spacing:1px;
}

.section-head p{
  max-width:58ch;
  margin:0;
  color:var(--muted);
  line-height:1.72;
}

.card-grid{
  display:grid;
  gap:16px;
}

.three-grid{grid-template-columns:repeat(3, minmax(0, 1fr));}
.four-grid{grid-template-columns:repeat(4, minmax(0, 1fr));}
.five-grid{grid-template-columns:repeat(5, minmax(0, 1fr));}
.top-gap{margin-top:16px;}

.info-card,
.doc-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:20px;
}

.card-topline{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.card-chip{
  display:inline-flex;
  align-items:center;
  padding:5px 10px;
  border-radius:999px;
  font-family:"IBM Plex Mono",monospace;
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.9px;
}

.chip-blue{background:var(--chip-blue-bg);color:var(--chip-blue-text);}
.chip-green{background:var(--chip-green-bg);color:var(--chip-green-text);}
.chip-warm{background:var(--chip-warm-bg);color:var(--chip-warm-text);}
.chip-orange{background:var(--chip-orange-bg);color:var(--chip-orange-text);}
.chip-red{background:var(--chip-red-bg);color:var(--chip-red-text);}

.card-number{
  display:block;
  color:var(--title);
  font-family:"Bebas Neue",sans-serif;
  font-size:2rem;
  line-height:1;
  letter-spacing:1px;
}

.info-card p,
.doc-card p,
.focus-card p,
.review-item p,
.empty-state p{
  margin:0;
  color:var(--muted);
  line-height:1.65;
}

.meta-line{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.meta-line span{
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
  color:var(--title);
  font-family:"IBM Plex Mono",monospace;
  font-size:.72rem;
}

body.light .meta-line span{
  background:rgba(0,0,0,.02);
  border-color:rgba(0,0,0,.06);
}

.timeline-pills,
.law-tags,
.subject-pills,
.topic-meta,
.doc-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.timeline-pill,
.law-tag,
.topic-meta-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:999px;
  font-family:"IBM Plex Mono",monospace;
  font-size:.74rem;
}

.timeline-pill{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
  color:var(--title);
}

.timeline-pill.is-active{
  background:rgba(112,211,141,.14);
  border-color:rgba(112,211,141,.36);
}

.timeline-pill.is-warning{
  background:rgba(255,210,126,.14);
  border-color:rgba(255,210,126,.34);
}

.timeline-pill.is-muted{
  color:var(--muted);
}

.law-tag{
  background:rgba(46,196,182,.12);
  border:1px solid rgba(46,196,182,.18);
  color:var(--title);
}

.compact-law-tags{
  margin-top:6px;
}

.daily-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:16px;
}

.focus-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  min-height:100%;
  padding:20px;
}

.focus-actions{
  margin-top:auto;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.filters-bar{
  display:grid;
  grid-template-columns:180px 180px minmax(240px, 1fr);
  gap:12px;
  margin-bottom:16px;
}

.field{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.field span{
  color:var(--muted);
  font-family:"IBM Plex Mono",monospace;
  font-size:.74rem;
  text-transform:uppercase;
  letter-spacing:.8px;
}

.field select,
.field input{
  width:100%;
  min-height:46px;
  padding:0 14px;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  outline:none;
}

.field select:focus,
.field input:focus{
  border-color:var(--accent);
}

.field textarea{
  width:100%;
  min-height:110px;
  padding:12px 14px;
  resize:vertical;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  outline:none;
}

.field textarea:focus{
  border-color:var(--accent);
}

.inline-field{
  min-width:170px;
}

.top-gap-field{
  margin-top:12px;
}

.subject-pills{
  margin-bottom:16px;
}

.subject-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  background:transparent;
  color:var(--muted);
  cursor:pointer;
}

.subject-pill small{
  color:var(--title);
  font-family:"IBM Plex Mono",monospace;
  font-size:.72rem;
}

.subject-pill.is-active{
  color:var(--title);
  border-color:rgba(46,196,182,.28);
  background:rgba(46,196,182,.10);
}

.materia-summary{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:12px;
  margin-bottom:16px;
}

.summary-block{
  padding:16px;
  border-radius:18px;
  border:1px solid var(--border-soft);
  background:var(--card-bg);
}

.summary-block strong{
  display:block;
  color:var(--title);
  font-family:"Bebas Neue",sans-serif;
  font-size:1.9rem;
  line-height:1;
}

.summary-block span{
  display:block;
  margin-top:6px;
  color:var(--muted);
  line-height:1.45;
}

.topic-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}

.topic-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:20px;
}

.topic-flash{
  animation:topicFlash 1.4s ease;
}

@keyframes topicFlash{
  0%{box-shadow:0 0 0 0 rgba(46,196,182,0);}
  35%{box-shadow:0 0 0 4px rgba(46,196,182,.22);}
  100%{box-shadow:0 0 0 0 rgba(46,196,182,0);}
}

.topic-top{
  display:flex;
  justify-content:space-between;
  gap:14px;
}

.topic-kicker{
  color:var(--muted);
  font-family:"IBM Plex Mono",monospace;
  font-size:.74rem;
  text-transform:uppercase;
  letter-spacing:.8px;
  line-height:1.5;
}

.topic-side{
  min-width:110px;
  text-align:right;
}

.topic-counter{
  display:block;
  color:var(--title);
  font-family:"Bebas Neue",sans-serif;
  font-size:2rem;
  line-height:1;
}

.topic-state{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:.78rem;
  line-height:1.45;
}

.topic-description{
  margin:0;
  color:var(--muted);
  line-height:1.65;
}

.progress-track{
  width:100%;
  height:8px;
  overflow:hidden;
  border-radius:999px;
  background:rgba(255,255,255,.08);
}

body.light .progress-track{
  background:rgba(0,0,0,.08);
}

.progress-track-topic{
  height:7px;
}

.progress-track-compact{
  height:6px;
}

.progress-track-large{
  margin-top:18px;
}

.progress-fill{
  width:0;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  transition:width .25s ease;
}

.topic-meta-badge{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.06);
}

.topic-meta-badge.is-muted{color:var(--muted);}
.topic-meta-badge.is-urgent{background:rgba(231,111,81,.14);border-color:rgba(231,111,81,.30);color:var(--chip-red-text);}
.topic-meta-badge.is-soon{background:rgba(255,210,126,.14);border-color:rgba(255,210,126,.30);color:var(--chip-warm-text);}
.topic-meta-badge.is-complete{background:rgba(112,211,141,.14);border-color:rgba(112,211,141,.30);color:var(--chip-green-text);}

.topic-items{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.item-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px 12px;
  border-radius:14px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.04);
}

body.light .item-row{
  background:rgba(0,0,0,.02);
  border-color:rgba(0,0,0,.05);
}

.item-row input{
  margin-top:2px;
  width:18px;
  height:18px;
  accent-color:var(--accent);
}

.item-order{
  width:22px;
  color:var(--muted);
  font-family:"IBM Plex Mono",monospace;
  font-size:.76rem;
  line-height:1.5;
}

.item-text{
  flex:1;
  line-height:1.55;
}

.item-row.is-done .item-text,
.item-row.is-done .item-order{
  color:var(--muted);
  text-decoration:line-through;
}

.topic-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.review-columns{
  display:grid;
  grid-template-columns:minmax(0, 1.2fr) minmax(320px, .8fr);
  gap:18px;
}

.simulado-layout{
  display:grid;
  grid-template-columns:minmax(0, .95fr) minmax(0, 1.05fr);
  gap:18px;
}

.simulado-form-card,
.proof-history-card{
  padding:22px;
}

.section-head-compact{
  margin-bottom:16px;
}

.proof-form-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:12px;
}

.proof-actions-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}

.proof-feedback{
  min-height:22px;
  margin-top:12px;
  color:var(--muted);
  font-size:.9rem;
}

.proof-feedback.is-success{
  color:var(--ok);
}

.proof-feedback.is-error{
  color:var(--chip-red-text);
}

.proof-history-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.proof-run-item{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:18px;
  border-radius:24px;
  background:var(--card-bg);
  border:1px solid var(--border-soft);
  box-shadow:var(--soft-shadow);
}

.proof-meta-line{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.proof-meta-line span{
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
  color:var(--title);
  font-family:"IBM Plex Mono",monospace;
  font-size:.72rem;
}

body.light .proof-meta-line span{
  background:rgba(0,0,0,.02);
  border-color:rgba(0,0,0,.06);
}

.button-danger{
  border-color:rgba(231,111,81,.36);
  color:var(--chip-red-text);
}

.button-danger:hover{
  background:rgba(231,111,81,.10);
}

.button-reset{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border);
  color:var(--title);
}

.review-list-card,
.review-help-card{
  padding:22px;
}

.card-head-with-control{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}

.review-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.review-item{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:18px;
}

.review-item-top{
  display:flex;
  justify-content:space-between;
  gap:12px;
}

.review-item-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.review-history{
  margin-top:18px;
}

.history-head{
  margin-bottom:12px;
}

.history-item{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:12px 0;
  border-top:1px solid rgba(255,255,255,.06);
}

body.light .history-item{
  border-top-color:rgba(0,0,0,.08);
}

.history-item strong{
  color:var(--title);
}

.history-item span,
.history-item small{
  color:var(--muted);
}

.checklist-panel{
  padding:24px;
}

.checklist-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
}

.checklist-stats{
  text-align:right;
}

.checklist-stats strong{
  display:block;
  color:var(--title);
  font-family:"Bebas Neue",sans-serif;
  font-size:2.2rem;
  line-height:1;
}

.checklist-stats small{
  color:var(--muted);
  font-family:"IBM Plex Mono",monospace;
  font-size:.74rem;
  text-transform:uppercase;
  letter-spacing:.8px;
}

.checklist-items{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:12px;
  margin-top:18px;
}

.check-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:16px;
  border-radius:18px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
}

body.light .check-item{
  background:rgba(0,0,0,.02);
  border-color:rgba(0,0,0,.06);
}

.check-item input{
  margin-top:3px;
  width:18px;
  height:18px;
  accent-color:var(--accent);
}

.check-item strong{
  display:block;
  color:var(--title);
  line-height:1.4;
}

.check-item span{
  display:block;
  margin-top:4px;
  color:var(--muted);
  line-height:1.55;
}

.empty-state{
  padding:22px;
}

.compact-empty{
  padding:0;
  border:none;
  background:transparent;
  box-shadow:none;
}

.site-footer{
  display:flex;
  justify-content:space-between;
  gap:18px;
  padding:22px 8px 0;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.65;
}

.site-footer p{
  margin:0;
}

@media (max-width: 1240px){
  .site-header{
    flex-wrap:wrap;
  }

  .site-nav{
    order:3;
    width:100%;
  }

  .header-actions{
    margin-left:0;
    width:100%;
    flex-wrap:wrap;
  }

  .hero-panel{
    grid-template-columns:1fr;
  }

  .three-grid,
  .four-grid,
  .five-grid,
  .topic-grid,
  .daily-grid,
  .review-columns,
  .simulado-layout{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px){
  .page-shell{
    width:min(100% - 20px, 1320px);
    padding-top:12px;
  }

  .site-header{
    top:8px;
    padding:14px;
  }

  .brand-copy strong{
    font-size:1.72rem;
  }

  .header-metric{
    width:100%;
    min-width:0;
  }

  .hero-panel,
  .section-block{
    padding:22px;
    border-radius:24px;
  }

  .section-head,
  .card-head-with-control,
  .checklist-head{
    flex-direction:column;
    align-items:flex-start;
  }

  .filters-bar{
    grid-template-columns:1fr;
  }

  .proof-form-grid{
    grid-template-columns:1fr;
  }

  .stats-grid,
  .three-grid,
  .four-grid,
  .five-grid,
  .daily-grid,
  .topic-grid,
  .materia-summary,
  .checklist-items,
  .review-columns,
  .simulado-layout{
    grid-template-columns:1fr;
  }

  .topic-top,
  .review-item-top{
    flex-direction:column;
  }

  .topic-side{
    text-align:left;
  }

  .site-footer{
    flex-direction:column;
  }
}

@media (prefers-reduced-motion: reduce){
  html{
    scroll-behavior:auto;
  }

  *,
  *::before,
  *::after{
    animation:none !important;
    transition:none !important;
  }
}