:root {
  --bg: #0a0a0a;
  --bg-card: #161616;
  --bg-card-hover: #1e1e1e;
  --border: #2a2a2a;
  --red: #e31e24;
  --red-dark: #b3181d;
  --text: #f5f5f5;
  --text-dim: #a3a3a3;
  --green: #2ecc71;
  --yellow: #f1c40f;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: #0d0d0d;
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.logo span { color: var(--red); }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--text-dim);
}

.badge-role {
  background: var(--red);
  color: #fff;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
.btn-logout:hover { border-color: var(--red); color: var(--red); }

.layout {
  display: flex;
  min-height: calc(100vh - 57px);
}

.sidebar {
  width: 230px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 20px 12px;
  background: #0d0d0d;
}

.sidebar a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}
.sidebar a:hover { background: var(--bg-card-hover); color: var(--text); }
.sidebar a.active { background: var(--red); color: #fff; }
.sidebar a.disabled { opacity: 0.4; cursor: default; pointer-events: none; }

.main {
  flex: 1;
  padding: 28px 32px;
  max-width: 1100px;
}

h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 0 0 16px; }
.subtitle { color: var(--text-dim); margin: 0 0 28px; font-size: 14px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat .label { color: var(--text-dim); font-size: 13px; margin-bottom: 6px; }
.stat .value { font-size: 26px; font-weight: 800; }

.panel-link {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: block;
  transition: border-color .15s;
}
.panel-link:hover { border-color: var(--red); }
.panel-link .icon { font-size: 26px; margin-bottom: 10px; display: block; }
.panel-link .title { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.panel-link .desc { color: var(--text-dim); font-size: 13px; }
.panel-link.soon { opacity: 0.45; }
.soon-tag { font-size: 10px; text-transform: uppercase; background: var(--border); padding: 2px 8px; border-radius: 999px; margin-left: 8px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }
tr:hover td { background: rgba(255,255,255,0.02); }

.estado {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  display: inline-block;
}
.estado.pendiente { background: rgba(241,196,15,0.15); color: var(--yellow); }
.estado.aprobado { background: rgba(46,204,113,0.15); color: var(--green); }
.estado.rechazado { background: rgba(227,30,36,0.15); color: var(--red); }

.btn {
  background: var(--red);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  display: inline-block;
}
.btn:hover { background: var(--red-dark); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--text-dim); }

label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; font-weight: 600; }
input, select, textarea {
  width: 100%;
  background: #0d0d0d;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--red); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.items-table input { margin-bottom: 0; }
.items-table td { vertical-align: middle; }

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
}
.alert-error { background: rgba(227,30,36,0.12); border: 1px solid var(--red); color: #ff9a9d; }
.alert-success { background: rgba(46,204,113,0.12); border: 1px solid var(--green); color: #7fe3ab; }

/* Login page */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, #1a0a0a 0%, #0a0a0a 60%);
  padding: 20px;
}
.login-box {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
}
.login-box .logo { text-align: center; margin-bottom: 6px; font-size: 24px; }
.login-box .subtitle { text-align: center; margin-bottom: 28px; }
.login-box .btn { width: 100%; padding: 12px; font-size: 15px; }

@media (max-width: 720px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; display: flex; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .sidebar a { white-space: nowrap; }
  .main { padding: 20px; }
  .form-row { grid-template-columns: 1fr; }
}