:root {
  --bg: #0a0d10;
  --panel: rgba(20, 24, 28, 0.92);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #e6ebf0;
  --text-muted: #9aa4ad;
  --accent: #4fb0b4;
  --danger: #db4325;
  --success: #006164;
  --border: rgba(255, 255, 255, 0.08);
  --font: "Helvetica Neue", Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
html { height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
}

/* -- Page shell (inner pages) ------------------------------------------- */
body.page { overflow-y: auto; }
.page-main { max-width: 960px; margin: 0 auto; padding: 88px 20px 40px; }
.inner h1 { margin: 0 0 20px; font-size: 28px; font-weight: 600; letter-spacing: -0.01em; }
.inner h2 { margin: 32px 0 12px; font-size: 18px; font-weight: 600; }
.inner .hint { color: var(--text-muted); margin: 0 0 20px; }
.inner .empty {
  padding: 24px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  text-align: center;
}

/* -- Map page ----------------------------------------------------------- */
body.page-map { overflow: hidden; }
#map { position: fixed; inset: 0; width: 100vw; height: 100vh; background: #000; }
body.page-map .maplibregl-canvas { outline: none; }

/* -- Auth panel (top-right on every page) ------------------------------- */
#auth-panel {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 1000;
  max-width: calc(100vw - 24px);
}
#login-form,
#user-info {
  background: var(--panel);
  color: var(--text);
  padding: 12px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  font-size: 13px;
  min-width: 220px;
}
#login-form input {
  display: block;
  width: 100%;
  margin: 0 0 8px;
  padding: 8px 10px;
  font-family: var(--font);
  font-size: 14px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 40px;
}
#login-form input:focus,
button:focus,
select:focus,
textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.login-buttons { display: flex; gap: 8px; }
#login-form button,
#user-info button {
  padding: 8px 12px;
  font-family: var(--font);
  font-size: 13px;
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  min-height: 40px;
  flex: 1;
}
#login-form button:hover,
#user-info button:hover { background: rgba(255,255,255,0.14); }
.user-info-line { margin-bottom: 8px; }
.user-name { color: var(--accent); font-weight: 600; }
.auth-nav { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 13px; }
.auth-nav a { padding: 4px 0; }

/* -- Device management (cards + edit form) ------------------------------ */
.device-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 14px;
}
.device-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.device-head h2 { margin: 0; font-size: 18px; font-weight: 600; }
.device-active-badge {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  padding: 4px 8px; border-radius: 999px; border: 1px solid var(--border);
}
.device-active-badge.active { background: rgba(0, 97, 100, 0.35); color: #a7e2e4; }
.device-active-badge.inactive { color: var(--text-muted); }
.device-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px;
  margin: 16px 0 0; padding: 0; font-size: 14px;
}
.device-meta > div { margin: 0; }
.device-meta dt { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.device-meta dd { margin: 2px 0 0; word-break: break-word; }
.device-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; align-items: center; }
.device-actions button,
.device-actions .btn-link {
  padding: 8px 12px; font-family: var(--font); font-size: 13px;
  background: rgba(255,255,255,0.08); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; cursor: pointer;
  text-decoration: none; min-height: 40px; display: inline-flex; align-items: center;
}
.device-actions button:hover,
.device-actions .btn-link:hover { background: rgba(255,255,255,0.14); }
.device-actions .danger { background: rgba(219, 67, 37, 0.15); border-color: rgba(219, 67, 37, 0.4); }
.device-actions .danger:hover { background: rgba(219, 67, 37, 0.25); }

.device-edit-form { margin-top: 16px; display: grid; gap: 10px; }
.device-edit-form label { display: grid; gap: 4px; font-size: 12px; color: var(--text-muted); }
.device-edit-form input {
  padding: 8px 10px; background: rgba(255,255,255,0.06); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; font-family: var(--font); font-size: 14px;
  min-height: 40px;
}
.device-edit-form .form-actions { display: flex; gap: 8px; margin-top: 4px; }
.device-edit-form button {
  padding: 8px 14px; font-family: var(--font); font-size: 13px;
  background: rgba(255,255,255,0.08); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; cursor: pointer; min-height: 40px;
}
.device-edit-form button[type="submit"] { background: rgba(0, 97, 100, 0.35); border-color: rgba(0, 97, 100, 0.6); }

/* -- Validation tables (my-validations, device-history) ------------------ */
.validations-table {
  width: 100%; border-collapse: collapse; margin-top: 12px;
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 10px; overflow: hidden;
}
.validations-table th, .validations-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.validations-table th { color: var(--text-muted); font-weight: 500; text-transform: uppercase; font-size: 11px; letter-spacing: 0.05em; background: rgba(255,255,255,0.03); }
.validations-table tr:last-child td { border-bottom: none; }
.val-row.ok td { }
.val-row.bad td { color: var(--text-muted); }
.status-badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.04em;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
}
.status-badge.success { color: #a7e2e4; background: rgba(0, 97, 100, 0.35); border-color: rgba(0, 97, 100, 0.6); }
.status-badge.failed { color: #f4b3a5; background: rgba(219, 67, 37, 0.15); border-color: rgba(219, 67, 37, 0.4); }

/* -- Popup content ------------------------------------------------------- */
.maplibregl-popup-content {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 14px;
  padding: 12px 14px;
}
.maplibregl-popup-tip { border-top-color: rgba(20,24,28,0.92) !important; border-bottom-color: rgba(20,24,28,0.92) !important; }
.maplibregl-popup-close-button { color: var(--text); font-size: 20px; padding: 4px 8px; }
.popup-headline { font-weight: 600; font-size: 15px; margin-bottom: 8px; }
.popup-content { max-width: 340px; }
.popup-scroll { max-height: 200px; overflow-y: auto; margin-top: 6px; }
.popup-links { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; font-size: 13px; }
.popup-content .register-form { display: flex; flex-direction: column; gap: 6px; }
.popup-content label { display: grid; gap: 3px; font-size: 12px; color: var(--text-muted); }
.popup-content input,
.popup-content textarea {
  width: 100%; padding: 6px 8px; background: rgba(255,255,255,0.06); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; font-family: var(--font); font-size: 13px;
  min-height: 36px;
}
.popup-content textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; min-height: 84px; }
.popup-content button { padding: 8px 12px; font-family: var(--font); font-size: 13px;
  background: rgba(255,255,255,0.08); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; cursor: pointer; min-height: 44px; }
.popup-content button:hover { background: rgba(255,255,255,0.14); }
.popup-content a { color: var(--accent); }

/* Legacy popup table used by the map's per-marker log view */
.validation-table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 13px; }
.validation-table th, .validation-table td { padding: 4px 6px; border-bottom: 1px solid var(--border); text-align: left; }
.validation-table th { color: var(--text-muted); font-weight: 500; }

/* -- Emoji marker (📱, 🛰️) ---------------------------------------------- */
.emoji-marker { font-size: 26px; line-height: 1; text-align: center; cursor: pointer; }

/* Custom inactive marker */
.maplibregl-marker-default.inactive { opacity: 0.5; }

/* -- Overlay (challenge status circle) ---------------------------------- */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 1001;
}
.overlay-circle {
  width: 280px; height: 280px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.overlay-circle svg { width: 100%; height: 100%; }
.overlay-circle text { font-size: 4rem; font-weight: bold; fill: white; }
.overlay-status {
  margin-top: 20px; font-size: 1.4rem; color: white; text-align: center;
  font-family: var(--font); padding: 0 16px;
}

a { text-decoration: none; color: var(--accent); transition: color 0.2s ease; }
a:hover { color: #7fd4d8; }

/* -- Mobile pass -------------------------------------------------------- */
@media (max-width: 640px) {
  #auth-panel {
    top: 8px; right: 8px; left: 8px; max-width: none;
  }
  #login-form, #user-info { min-width: 0; width: 100%; }
  .auth-nav { gap: 4px 12px; }

  .page-main { padding: 140px 14px 40px; }
  .device-meta { grid-template-columns: 1fr; }

  /* Tables reflow to stacked cards */
  .validations-table thead { display: none; }
  .validations-table, .validations-table tbody, .validations-table tr, .validations-table td { display: block; width: 100%; }
  .validations-table tr {
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: 10px; margin-bottom: 10px; padding: 4px 12px;
  }
  .validations-table td { border-bottom: 1px solid var(--border); padding: 8px 0; }
  .validations-table tr td:last-child { border-bottom: none; }
  .validations-table td::before {
    content: attr(data-label); display: block;
    font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 2px;
  }
  .overlay-circle { width: 200px; height: 200px; }
  .overlay-status { font-size: 1.1rem; }
}