:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.08);
  --text: #e9eefb;
  --muted: rgba(233,238,251,.75);
  --border: rgba(255,255,255,.10);
  --primary: #6ea8fe;
  --success: #38d9a9;
  --danger: #ff6b6b;
  --shadow: 0 12px 40px rgba(0,0,0,.35);
  --radius: 18px;
}

*{ box-sizing: border-box; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(1200px 600px at 20% 10%, #122347 0%, transparent 60%),
              radial-gradient(900px 500px at 85% 20%, #1a355f 0%, transparent 55%),
              var(--bg);
  color: var(--text);
}

a{ color: var(--primary); text-decoration: none; }
a:hover{ text-decoration: underline; }

.topbar{
  position: sticky;
  top:0;
  z-index: 10;
  background: rgba(11,18,32,.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 16px;
  display:flex;
  gap:14px;
  align-items:center;
  justify-content: space-between;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand-title{ font-weight: 800; letter-spacing:.2px; }
.brand-subtitle{ color: var(--muted); font-size: 13px; margin-top:2px; }

.logo{
  width: 90px;
  height: 90px;
  object-fit: contain;
  border-radius: 16px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
}
.logo.small{ width:88px; height:88px; border-radius: 14px; }

.main{ padding: 18px 0 40px; }

.container{
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}
.container.narrow{ max-width: 520px; }

.card{
  background: linear-gradient(180deg, var(--card), rgba(255,255,255,.04));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.center{ text-align:center; }
.stack{ display:flex; flex-direction:column; gap:12px; }
.row{ display:flex; gap:10px; flex-wrap: wrap; }

label{ display:block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input, select{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  color: var(--text);
  outline:none;
}
input:focus, select:focus{ border-color: rgba(110,168,254,.55); }

.btn{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 14px;
  cursor:pointer;
  font-weight: 700;
}
.btn:hover{ background: rgba(255,255,255,.09); }

.btn-primary{
  background: rgba(110,168,254,.18);
  border-color: rgba(110,168,254,.35);
}
.btn-primary:hover{ background: rgba(110,168,254,.25); }

.btn-success{
  background: rgba(56,217,169,.18);
  border-color: rgba(56,217,169,.35);
}
.btn-success:hover{ background: rgba(56,217,169,.25); }

.btn-ghost{
  background: transparent;
}

.muted{ color: var(--muted); }
.small{ font-size: 13px; }

.alert{
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
}
.alert-success{ border-color: rgba(56,217,169,.35); background: rgba(56,217,169,.12); }
.alert-danger{ border-color: rgba(255,107,107,.35); background: rgba(255,107,107,.12); }

.grid2{ display:grid; grid-template-columns: 1fr 1fr; gap:12px; }
.user-block{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255,255,255,.03);
}

.grid-dashboard{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 900px){
  .grid-dashboard{ grid-template-columns: 1fr; }
  .grid2{ grid-template-columns: 1fr; }
}

.task-list{ display:flex; flex-direction:column; gap:10px; margin-top: 12px; }
.task{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap:12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
}
.task-title{ font-weight:800; }
.tag{
  display:inline-block;
  margin-top: 6px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(110,168,254,.35);
  background: rgba(110,168,254,.12);
  color: var(--text);
}
.tag-purple{
  border-color: rgba(164,117,255,.35);
  background: rgba(164,117,255,.12);
}

.ranking{ display:flex; flex-direction:column; gap:10px; margin-top: 12px; }
.rank-row{
  display:grid;
  grid-template-columns: 52px 1fr 90px;
  gap:10px;
  align-items:center;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
}
.rank-row.me{
  border-color: rgba(110,168,254,.55);
  background: rgba(110,168,254,.12);
}
.rank-pos{ font-weight:900; opacity:.95; }
.rank-points{ text-align:right; font-weight:900; }

.history-mini{ display:flex; flex-direction:column; gap:10px; margin-top: 10px; }
.history-item{
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
}

.divider{
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.table{ margin-top: 10px; border: 1px solid var(--border); border-radius: 16px; overflow:hidden; }
.table-head, .table-row{
  display:grid;
  grid-template-columns: 160px 160px 1fr 110px;
  gap:10px;
  padding: 12px;
}
.table-head{ background: rgba(255,255,255,.07); font-weight: 900; }
.table-row{ border-top: 1px solid var(--border); background: rgba(255,255,255,.03); }
@media (max-width: 800px){
  .table-head, .table-row{ grid-template-columns: 1fr; }
}

/* Modal */
.modal{
  display:none;
  position: fixed;
  inset: 0;
  z-index: 50;
}
.modal.open{ display:block; }

.modal-backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
}

.modal[hidden]{ display:none !important; }

.modal{
  display:block;
  position: fixed;
  inset: 0;
  z-index: 50;
}

.modal-backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
}

.modal-card{
  position: relative;
  max-width: 520px;
  margin: 8vh auto 0;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.modal-head{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.modal-title{
  font-weight: 900;
  font-size: 18px;
}

/* ===== Nav centralizado (desktop + mobile) ===== */
.topbar-inner{
  flex-wrap: wrap;           /* permite quebrar linha */
}

.nav{
  width: 100%;
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:center;    /* ✅ centraliza */
  flex-wrap: wrap;           /* se apertar, quebra linha */
  padding-top: 6px;
}

/* chips */
.nav a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  color: var(--text);
  font-weight: 800;
  white-space: nowrap;
  text-decoration:none;
}

.nav a:hover{ background: rgba(255,255,255,.08); }

.nav a.active{
  border-color: rgba(110,168,254,.55);
  background: rgba(110,168,254,.14);
}

/* mobile: mantém centralizado */
@media (max-width: 640px){
  .topbar-inner{
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .brand{
    justify-content: center;
  }

  .nav{
    justify-content: center; /* ✅ centralizado */
    overflow: visible;       /* ✅ remove scroll */
    padding-bottom: 0;
  }
}


/* ===== Recent activities (Dashboard) ===== */
.history-item{
  display:flex;
  justify-content: space-between;
  align-items:flex-start;
  gap: 12px;
}

.history-left{ flex: 1; min-width: 0; }
.task-strong{ font-weight: 900; }

.history-meta{ margin-top: 8px; display:flex; gap:8px; flex-wrap: wrap; }

.history-right{
  text-align: right;
  white-space: nowrap;
  opacity: .9;
}

/* chips (categoria) */
.chip{
  display:inline-flex;
  align-items:center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
}

.chip-blue{
  border-color: rgba(110,168,254,.35);
  background: rgba(110,168,254,.12);
}

.chip-purple{
  border-color: rgba(164,117,255,.35);
  background: rgba(164,117,255,.12);
}

/* mobile: data/hora vai para baixo para não apertar */
@media (max-width: 560px){
  .history-item{ flex-direction: column; }
  .history-right{ text-align:left; white-space: normal; }
}

/* ===== History table: mobile readable ===== */
@media (max-width: 800px){
  .table-head{ display:none; }

  .table{
    border: none;
    background: transparent;
  }

  .table-row{
    grid-template-columns: 1fr !important;
    gap: 8px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(255,255,255,.04);
  }

  .table-row > div{
    display:flex;
    gap: 10px;
    align-items:flex-start;
  }

  .table-row > div::before{
    content: attr(data-label);
    min-width: 86px;
    color: var(--muted);
    font-weight: 900;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .4px;
  }
}