:root {
  --akta-black: #231f20;
  --akta-black-soft: #33302f;
  --bg: #f4f5f7;
  --card-shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: #1c1c1c;
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--akta-black);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  padding: 24px 0;
}

.sidebar .brand {
  padding: 0 24px 20px;
  font-size: 1.05rem;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 12px;
}
.sidebar .brand small {
  display: block;
  font-weight: 400;
  opacity: .6;
  font-size: .72rem;
  margin-top: 2px;
}

.sidebar nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: rgba(255,255,255,.75);
  text-decoration: none;
  font-size: .92rem;
  transition: background .15s;
}
.sidebar nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar nav a.active { background: #fff; color: var(--akta-black); font-weight: 600; }
.sidebar nav a .icon { width: 18px; text-align: center; }

.nav-group summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #fff;
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  list-style: none;
}
.nav-group summary::-webkit-details-marker { display: none; }
.nav-group summary::after {
  content: '\25BE';
  margin-left: auto;
  opacity: .6;
  font-size: .75rem;
  transition: transform .15s;
}
.nav-group[open] summary::after { transform: rotate(180deg); }
.nav-group summary:hover { background: rgba(255,255,255,.08); }
.nav-group summary .icon { width: 18px; text-align: center; }

.nav-sub {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 2px 0 6px;
  padding-left: 14px;
  border-left: 1px solid rgba(255,255,255,.12);
  margin-left: 22px;
}
.nav-sub a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: rgba(255,255,255,.68);
  text-decoration: none;
  font-size: .87rem;
  transition: background .15s;
}
.nav-sub a:hover { background: rgba(255,255,255,.08); color: #fff; }
.nav-sub a.active { background: #fff; color: var(--akta-black); font-weight: 600; }

.sidebar .badge-count {
  margin-left: auto;
  background: rgba(255,255,255,.15);
  color: #fff;
  border-radius: 999px;
  padding: 1px 8px;
  font-size: .72rem;
}
.sidebar nav a.active .badge-count { background: rgba(35,31,32,.12); color: var(--akta-black); }

.sidebar .logout {
  padding: 0 24px;
  margin-top: 12px;
}
.sidebar .logout a {
  display: block;
  text-align: center;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.8);
  text-decoration: none;
  font-size: .85rem;
}
.sidebar .logout a:hover { background: rgba(255,255,255,.08); color: #fff; }

.main {
  margin-left: 240px;
  flex: 1;
  padding: 32px 40px;
  max-width: 1200px;
}

.page-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.page-subtitle {
  color: #6b6b6b;
  font-size: .9rem;
  margin-bottom: 28px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.kpi-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  padding: 20px;
  border-top: 3px solid var(--accent, var(--akta-black));
}
.kpi-card .kpi-value { font-size: 2.1rem; font-weight: 700; line-height: 1; }
.kpi-card .kpi-label { color: #6b6b6b; font-size: .82rem; margin-top: 6px; }

a.kpi-link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform .12s, box-shadow .12s;
}
a.kpi-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
}

.panel {
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  padding: 24px;
  margin-bottom: 24px;
}
.panel h2 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 16px;
}

.charts-row {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 24px;
  margin-bottom: 24px;
}
@media (max-width: 900px) {
  .charts-row { grid-template-columns: 1fr; }
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}
table.data-table td.col-nowrap, table.data-table th.col-nowrap { white-space: nowrap; }
table.data-table th {
  text-align: left;
  color: #6b6b6b;
  font-weight: 600;
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  border-bottom: 2px solid #eee;
  padding: 8px 10px;
}
table.data-table td {
  padding: 10px;
  border-bottom: 1px solid #f0f0f0;
}
table.data-table tr:hover td { background: #fafafa; }
table.data-table th.col-center, table.data-table td.col-center { text-align: center; }

.search-box {
  width: 100%;
  max-width: 320px;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: .9rem;
}

.empty-note { color: #9a9a9a; padding: 16px 0; text-align: center; }

.btn-hist {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid #ddd;
  background: #fff;
  color: #333;
  text-decoration: none;
  font-size: .78rem;
  font-weight: 600;
  white-space: nowrap;
}
.btn-hist:hover { background: var(--akta-black); color: #fff; border-color: var(--akta-black); }

.action-icons { display: flex; gap: 6px; white-space: nowrap; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid #ddd;
  background: #fff;
  text-decoration: none;
  font-size: 15px;
  line-height: 1;
}
.icon-btn:hover { background: var(--akta-black); border-color: var(--akta-black); filter: none; }
.icon-btn:hover .emoji { filter: grayscale(1) brightness(3); }
button.icon-btn { font: inherit; cursor: pointer; }

tr.detalhe-row td {
  background: #fafafa;
  padding: 20px 24px;
  border-bottom: 2px solid #e5e5e5;
}
.detalhe-painel .detalhe-item {
  display: flex;
  gap: 10px;
  padding: 7px 0;
  font-size: .88rem;
  border-bottom: 1px solid #ececec;
}
.detalhe-painel .detalhe-item:last-child { border-bottom: none; }
.detalhe-rotulo { font-weight: 600; color: #6b6b6b; min-width: 160px; flex-shrink: 0; }
.detalhe-painel .timeline { text-align: left; }
.detalhe-painel .timeline li { padding: 10px 0; }

.form-reserva-titulo { font-size: .95rem; margin: 0 0 14px; }
.form-reserva-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  text-align: left;
}
.form-reserva-grid label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: .8rem;
  font-weight: 600;
  color: #555;
}
.form-reserva-grid input, .form-reserva-grid select {
  font-weight: 400;
  padding: 7px 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: .88rem;
  background: #fff;
}
.btn-confirmar-reserva {
  margin-top: 16px;
  padding: 9px 20px;
  border: none;
  border-radius: 8px;
  background: var(--akta-black);
  color: #fff;
  font-weight: 600;
  font-size: .88rem;
  cursor: pointer;
}
.btn-confirmar-reserva:hover { background: var(--akta-black-soft); }
.form-reserva-msg { margin-top: 10px; font-size: .84rem; min-height: 1.2em; }
.form-reserva-msg.form-reserva-ok { color: #1a7f3c; font-weight: 600; }
.form-reserva-msg.form-reserva-erro { color: #b3261e; font-weight: 600; }

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: #555;
  text-decoration: none;
  font-size: .85rem;
}
.back-link:hover { color: #000; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  padding: 14px 0;
  border-bottom: 1px solid #f0f0f0;
}
.timeline li:last-child { border-bottom: none; }
.timeline .tl-field { font-weight: 600; font-size: .9rem; }
.timeline .tl-change { font-size: .87rem; color: #444; margin-top: 3px; }
.timeline .tl-change .arrow { color: #aaa; margin: 0 6px; }
.timeline .tl-meta { font-size: .76rem; color: #9a9a9a; margin-top: 4px; }

.status-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 600;
  white-space: nowrap;
}
.pill-uso { background: #e6f7ec; color: #1a7f3c; }
.pill-disp { background: #e7f0ff; color: #1d4ed8; }
.pill-manut { background: #fff4e0; color: #b06d00; }
.pill-emp { background: #f3e8fd; color: #7c3aed; }
.pill-sucata { background: #e5e5e5; color: #1a1a1a; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--card-shadow);
  padding: 36px;
  width: 100%;
  max-width: 380px;
}
.login-card h1 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}
.login-card .sub { color: #6b6b6b; font-size: .85rem; margin-bottom: 24px; }
.login-card label { font-size: .85rem; font-weight: 600; display: block; margin-bottom: 6px; }
.login-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: .95rem;
}
.login-card button {
  width: 100%;
  padding: 11px;
  border: none;
  border-radius: 8px;
  background: var(--akta-black);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
}
.login-card button:hover { background: var(--akta-black-soft); }
.login-error {
  background: #fdecea;
  color: #b3261e;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: .85rem;
  margin-bottom: 16px;
}