:root{
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #d9dde3;
  --text: #1f2937;
  --muted: #6b7280;

  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: #e7efff;
}

*{ box-sizing: border-box; }

body{
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
}

/* HEADER */
header{
  display:flex;
  align-items:center;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.brand{
  display:flex;
  align-items:center;
  flex: 0 0 auto;
}

.brand img{
  width: 150px;
  height: auto;
  object-fit: contain;
  display: block;
}

.header-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap: 12px;
  justify-content:flex-end;
  flex-wrap: wrap;
  text-align: right;
}

.kv{
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
}
.kv strong{ color: var(--text); }

/* LAYOUT: esquerda = direita */
main{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 900px){
  main{ grid-template-columns: 1fr; }
  .brand img{ width: 120px; }
}

/* BOX / CARDS */
.box{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: var(--card);
}

/* LEFT */
.left h2{
  margin: 0 0 12px 0;
  font-size: 16px;
  letter-spacing: 0.2px;
}

.figure-wrap{
  border: 1px dashed var(--border);
  border-radius: 14px;
  overflow: hidden;
  display:flex;
  justify-content:center;
  align-items:center;
  min-height: 240px;
  background: var(--card);
}

.figure-wrap img{
  width: 100%;
  height: auto;
  display: block;
}

/* RIGHT */
.right h1{
  margin: 0;
  font-size: 18px;
}

.right h3{
  margin: 6px 0 0 0;
  font-size: 14px;
  font-weight: normal;
  color: var(--muted);
}

.right .text-block{
  margin-top: 12px;
  line-height: 1.55;
  color: var(--text);
  white-space: pre-wrap;
}

.right .muted{
  color: var(--muted);
}

/* TABLE (modulo.html) */
table{
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-top: 12px;
  background: var(--card);
}

th, td{
  padding: 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: top;
}

th{
  background: #f1f3f6;
  text-align: left;
  color: #111827;
}

tr:last-child td{ border-bottom: none; }

td.playable{ cursor: pointer; }
td.playable:hover{ background: var(--blue-soft); }

.cell-main{ display:block; color: var(--text); }
.cell-sub{ display:block; margin-top: 3px; color: var(--muted); font-size: 13px; }

/* BUTTONS */
.btn{
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 14px;
  transition: background 120ms ease, border-color 120ms ease, transform 80ms ease;
}
.btn:active{ transform: translateY(1px); }

.btn.primary{
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.btn.primary:hover{
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}

.btn:disabled{
  cursor: not-allowed;
  opacity: 1;
  background: var(--card);
  border-color: var(--border);
  color: var(--muted);
}

/* NAV buttons row */
.nav{
  display:flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* Painel: cards */
.panel-wrap{
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
}

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

@media (max-width: 1000px){
  .cards{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 650px){
  .cards{ grid-template-columns: 1fr; }
}

.card-course{
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 14px;
  padding: 16px;
  cursor: pointer;
  transition: transform 80ms ease, border-color 120ms ease, background 120ms ease;
}
.card-course:hover{
  background: var(--blue-soft);
  border-color: #c7d2fe;
}
.card-course:active{ transform: translateY(1px); }

.card-course .title{
  margin: 0;
  font-size: 16px;
  color: var(--text);
  font-weight: 800;
}
.card-course .code{
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}
.card-course .code:last-child{
  font-weight: 800;
  color: var(--text);
}

/* Esconde qualquer “status”/mensagem de player */
.status{ display:none; }

/* ===== Verbata: header corporativo (landing/auth/admin) ===== */
.site-header{
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfd 100%);
  border-bottom: 1px solid var(--border, #e5e7eb);
}
.header-inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.site-header .brand img{
  height: 42px;
  width: auto;
  display:block;
}
.top-actions{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ===== Landing ===== */
body.page-landing{ background:#fff; }
.page-landing .landing{
  max-width:1100px;
  margin: 0 auto;
  padding: 22px 14px 40px;
}
.hero{
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 18px;
  background: #fff;
}
@media(min-width:900px){
  .hero{ grid-template-columns: 1.2fr 0.8fr; align-items:center; }
}
.hero h1{ font-size: 28px; margin: 0 0 10px; }
.lead{ color: var(--muted, #6b7280); margin: 0 0 14px; line-height: 1.5; }
.hero-cta{ display:flex; gap: 10px; flex-wrap: wrap; }
.hero-badges{ margin-top: 12px; display:flex; gap: 8px; flex-wrap: wrap; }
.badge{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border, #e5e7eb);
  background: #fff;
  color: var(--text, #111827);
}
.mock-card{
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 18px;
  background: #fff;
  overflow:hidden;
}
.mock-top{
  display:flex;
  gap: 6px;
  padding: 10px;
  border-bottom: 1px solid var(--border, #e5e7eb);
  background: #fbfbfd;
}
.mock-dot{ width: 10px; height: 10px; border-radius: 50%; background: #e5e7eb; }
.mock-body{ padding: 14px; }
.mock-title{ font-weight: 800; margin-bottom: 10px; }
.mock-line{ height: 10px; background:#f1f5f9; border-radius: 999px; margin: 10px 0; }
.mock-line.short{ width: 65%; }
.mock-pill{
  display:inline-block;
  margin-top: 10px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #dbeafe;
  background: #eff6ff;
}


.hero-media{
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border, #e5e7eb);
  background: #fff;
}
.hero-media img{
  width: 100%;
  height: auto;
  display:block;
}
@media(min-width:900px){
  .hero{ grid-template-columns: 1.05fr 0.95fr; }
  .hero h1{ font-size: 34px; }
}
.site-footer{
  margin-top: 28px;
  border-top: 1px solid var(--border, #e5e7eb);
  background:#fff;
}
.site-footer .footer-inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 14px;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted, #6b7280);
  font-size: 13px;
}
.site-footer a{ color: var(--text, #111827); text-decoration:none; }
.site-footer a:hover{ text-decoration:underline; }
.footer-col{ min-width: 220px; }
.footer-title{ font-weight: 800; color: var(--text, #111827); margin-bottom: 6px; }
.footer-links{ display:flex; flex-direction:column; gap:6px; }

/* ===== Auth ===== */
.page-auth .auth{
  max-width: 520px;
  margin: 0 auto;
  padding: 22px 14px 40px;
}
.auth-card{
  background:#fff;
  border:1px solid var(--border, #e5e7eb);
  border-radius:18px;
  padding: 18px;
}
.auth-card h1{ margin: 0 0 6px; }
.form{ display:flex; flex-direction:column; gap: 10px; margin-top: 12px; }
.form label span{ display:block; font-size:12px; color: var(--muted, #6b7280); margin-bottom: 6px; }
.form input{
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 12px;
  outline: none;
}
.form input:focus{ border-color: #93c5fd; }
.form-msg{ margin-top: 8px; font-size: 13px; color: #b91c1c; }
.auth-footer{ margin-top: 14px; display:flex; gap: 8px; align-items:center; font-size: 13px; }

/* ===== Admin ===== */
.admin{
  max-width: 900px;
  margin: 0 auto;
  padding: 22px 14px 40px;
}
.admin-card{
  background:#fff;
  border:1px solid var(--border, #e5e7eb);
  border-radius:18px;
  padding: 18px;
}
.admin-list{ margin-top: 14px; display:flex; flex-direction:column; gap: 10px; }
.admin-row{
  border:1px solid var(--border, #e5e7eb);
  border-radius: 16px;
  padding: 12px;
  display:flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.admin-actions{ display:flex; gap: 10px; }

/* Footer */
.site-footer{
  max-width:1100px;
  margin: 16px auto 0;
  padding: 12px 14px;
  display:flex;
  justify-content: space-between;
  align-items:center;
  color: var(--muted, #6b7280);
  font-size: 13px;
}
.site-footer .footer-links{ display:flex; gap: 10px; }
.site-footer a{ color: inherit; text-decoration:none; }
.site-footer a:hover{ text-decoration: underline; }