:root {
  --color-bg: #0f1115;
  --color-bg-alt: #171a21;
  --color-surface: #1d212b;
  --color-surface-alt: #262b38;
  --color-border: #313644;
  --color-text: #e8e9ee;
  --color-text-muted: #9aa0b0;
  --color-primary: #b3272c;
  --color-primary-hover: #d13237;
  --color-gold: #c9a24b;
  --color-success: #2f9e57;
  --color-danger: #c0392b;
  --color-warning: #d18b1f;
  --radius: 10px;
  --topbar-height: 56px;
  --bottomnav-height: 58px;
  --sidenav-width: 220px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 { margin: 0 0 .5em; }

p { margin: 0 0 .75em; }

img { max-width: 100%; }

/* ---------- Guest (login/register) ---------- */
body.is-guest .app-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.auth-card h1 {
  font-size: 1.4rem;
  color: var(--color-gold);
  text-align: center;
}

.auth-card .subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-size: .9rem;
}

.auth-links {
  text-align: center;
  margin-top: 16px;
  font-size: .9rem;
  color: var(--color-text-muted);
}

.auth-links a { color: var(--color-gold); }

/* ---------- Topbar ---------- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-height);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  z-index: 50;
}

.topbar-brand a {
  font-weight: 700;
  color: var(--color-gold);
  white-space: nowrap;
  font-size: 1rem;
}

.topbar-stats {
  flex: 1;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}
.topbar-stats::-webkit-scrollbar { display: none; }

.stat {
  white-space: nowrap;
  font-size: .82rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 10px;
}

.topbar-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.badge {
  position: absolute;
  top: -4px; right: -4px;
  background: var(--color-primary);
  color: #fff;
  font-size: .65rem;
  min-width: 16px;
  height: 16px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
}

/* ---------- Layout shell ---------- */
.app-shell {
  display: flex;
  min-height: 100vh;
  padding-top: var(--topbar-height);
}

.sidenav {
  display: none;
}

.main-content {
  flex: 1;
  padding: 16px;
  padding-bottom: calc(var(--bottomnav-height) + 16px);
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--bottomnav-height);
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  display: flex;
  z-index: 50;
}

.bottomnav a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

@media (min-width: 768px) {
  .sidenav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    width: var(--sidenav-width);
    padding: 16px 10px;
    border-right: 1px solid var(--color-border);
    position: fixed;
    top: var(--topbar-height);
    bottom: 0;
    left: 0;
    background: var(--color-bg-alt);
    overflow-y: auto;
  }

  .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    color: var(--color-text-muted);
    font-size: .92rem;
  }

  .nav-link:hover { background: var(--color-surface); color: var(--color-text); }

  .nav-link-admin { color: var(--color-gold); margin-top: 12px; border-top: 1px solid var(--color-border); padding-top: 14px; }

  .app-shell { padding-left: var(--sidenav-width); }
  .bottomnav { display: none; }
  .main-content { padding: 24px; }
}

/* ---------- Cards / Grid ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.card h2, .card h3 { color: var(--color-gold); }

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.stat-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px;
}

.stat-tile .label { font-size: .75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .03em; }
.stat-tile .value { font-size: 1.25rem; font-weight: 700; margin-top: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  color: var(--color-text);
  padding: 9px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  min-height: 40px;
}

.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-success { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-gold { background: var(--color-gold); border-color: var(--color-gold); color: #1a1a1a; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 10px; min-height: 32px; font-size: .8rem; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 6px; font-size: .85rem; color: var(--color-text-muted); }

.form-control {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-size: .95rem;
}

.form-control:focus { outline: 2px solid var(--color-gold); }

.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 160px; }

.inline-form { display: inline; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--color-border); text-align: left; white-space: nowrap; }
th { color: var(--color-text-muted); font-weight: 600; }

/* ---------- Flash ---------- */
.flash {
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  font-size: .9rem;
  transition: opacity .4s ease;
}
.flash-hide { opacity: 0; }
.flash-success { background: rgba(47,158,87,.15); border: 1px solid var(--color-success); color: #8fe3ab; }
.flash-error { background: rgba(192,57,43,.15); border: 1px solid var(--color-danger); color: #f3a79e; }
.flash-info { background: rgba(201,162,75,.15); border: 1px solid var(--color-gold); color: var(--color-gold); }

.field-errors { color: #f3a79e; font-size: .85rem; margin-bottom: 12px; }

/* ---------- Misc ---------- */
.health-bar {
  height: 8px;
  border-radius: 999px;
  background: var(--color-bg-alt);
  overflow: hidden;
  margin: 6px 0;
}
.health-bar-fill { height: 100%; background: var(--color-success); }
.health-bar-fill.low { background: var(--color-danger); }
.health-bar-fill.mid { background: var(--color-warning); }

.badge-state {
  display: inline-block;
  font-size: .72rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}
.badge-state.active { color: var(--color-success); border-color: var(--color-success); }
.badge-state.damaged { color: var(--color-danger); border-color: var(--color-danger); }
.badge-state.constructing, .badge-state.upgrading { color: var(--color-warning); border-color: var(--color-warning); }

.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }

.empty-state {
  text-align: center;
  padding: 40px 16px;
  color: var(--color-text-muted);
}

.pve-target-list, .pvp-search {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  flex-wrap: wrap;
}