:root {
  --sky-top: #6ec6f1;
  --sky-bottom: #d9f2ff;
  --ground-color: #eafaf0;
  --card-bg: #ffffff;
  --card-border: #ffffffaa;
  --primary: #ff7a45;
  --primary-dark: #e9612e;
  --secondary: #3aa9e0;
  --secondary-dark: #2a86b6;
  --text: #274156;
  --muted: #6b8299;
  --panel-bg: #f4fbff;
  --panel-border: #e1f2fb;
  --input-border: #cfe6f5;
  --hunting-bg: #fff6ee;
  --hunting-border: #ffe4cc;
  --advanced-bg: #f9fbfc;
  --advanced-border: #d8e8f0;
  --surface: #ffffff;
  --danger: #e04b4b;
  --radius: 18px;
  --shadow: 0 8px 20px rgba(39, 65, 86, 0.15);
  --star-opacity: 0;
  --cloud-opacity: 0.8;
  --cloud-color: #ffffff;
  --transition-speed: 0.6s;
}

/* Night theme - applied automatically based on sunset/sunrise for Prague, CZ.
   See js/app.js (applyDayNightTheme) for how/when this attribute gets set. */
:root[data-theme="dark"] {
  --sky-top: #0b1226;
  --sky-bottom: #16213a;
  --ground-color: #0e1a30;
  --card-bg: #1b2740;
  --card-border: #33456b;
  --primary: #ff9466;
  --primary-dark: #ffb088;
  --secondary: #5cc2f5;
  --secondary-dark: #8fd7fa;
  --text: #e8f1f8;
  --muted: #94aec2;
  --panel-bg: #223252;
  --panel-border: #304766;
  --input-border: #35507a;
  --hunting-bg: #2c2540;
  --hunting-border: #4a3d68;
  --advanced-bg: #1f2c46;
  --advanced-border: #33456b;
  --surface: #1b2740;
  --danger: #ff6b6b;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  --star-opacity: 1;
  --cloud-opacity: 0.15;
  --cloud-color: #a8c3e0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Nunito', sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-bottom) 55%, var(--ground-color) 100%);
  overflow-x: hidden;
  position: relative;
  transition: background var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* ---- Stars (dark theme only, pure CSS, no external images) ---- */
.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: var(--star-opacity);
  transition: opacity var(--transition-speed) ease;
  background-image:
    radial-gradient(2px 2px at 20px 30px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 90px 80px, #fff, transparent),
    radial-gradient(2px 2px at 160px 40px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 230px 120px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 300px 60px, #fff, transparent),
    radial-gradient(2px 2px at 40px 150px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 340px 180px, #fff, transparent),
    radial-gradient(2px 2px at 120px 200px, #fff, transparent);
  background-repeat: repeat;
  background-size: 380px 220px;
  animation: twinkle 4s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: var(--star-opacity); }
  50% { opacity: calc(var(--star-opacity) * 0.5); }
}

/* ---- Clouds (pure CSS, no external images) ---- */
.clouds { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.cloud {
  position: absolute;
  background: var(--cloud-color);
  border-radius: 50%;
  opacity: var(--cloud-opacity);
  filter: blur(0.5px);
  transition: opacity var(--transition-speed) ease, background var(--transition-speed) ease;
}
.cloud::before, .cloud::after {
  content: "";
  position: absolute;
  background: var(--cloud-color);
  border-radius: 50%;
}
.c1 { width: 120px; height: 46px; top: 8%; left: -10%; animation: drift 60s linear infinite; }
.c1::before { width: 70px; height: 70px; top: -34px; left: 15px; }
.c1::after { width: 50px; height: 50px; top: -24px; left: 60px; }
.c2 { width: 90px; height: 34px; top: 22%; left: -15%; animation: drift 80s linear infinite; animation-delay: -20s; }
.c2::before { width: 50px; height: 50px; top: -24px; left: 10px; }
.c2::after { width: 40px; height: 40px; top: -18px; left: 45px; }
.c3 { width: 150px; height: 56px; top: 4%; left: -20%; animation: drift 100s linear infinite; animation-delay: -50s; }
.c3::before { width: 80px; height: 80px; top: -40px; left: 20px; }
.c3::after { width: 60px; height: 60px; top: -28px; left: 80px; }

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(140vw); }
}

.topbar {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 32px 16px 12px;
}
.topbar h1 {
  font-family: 'Baloo 2', cursive;
  font-size: 2.4rem;
  margin: 0;
  color: var(--primary-dark);
  text-shadow: 2px 2px 0 rgba(255,255,255,0.6);
}
.plane-emoji { display: inline-block; animation: bob 3s ease-in-out infinite; }
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-6px) rotate(4deg); }
}
.subtitle { color: var(--muted); font-weight: 600; margin-top: 4px; }

.live-map-link {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 18px;
  background: var(--surface);
  color: var(--secondary-dark);
  border: 2px solid var(--secondary);
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.85rem;
  text-decoration: none;
  box-shadow: var(--shadow);
}
.live-map-link:hover { background: var(--secondary); color: #fff; }

.header-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.header-links .live-map-link { margin-top: 0; }

.grid {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  border: 3px solid var(--card-border);
}
.card h2 {
  font-family: 'Baloo 2', cursive;
  margin-top: 0;
  color: var(--secondary-dark);
  font-size: 1.3rem;
}
.hint { color: var(--muted); font-size: 0.88rem; margin: 4px 0 12px; }

#map {
  height: 380px;
  border-radius: 14px;
  overflow: hidden;
  border: 3px solid var(--secondary);
  flex: 1.6;
  min-width: 280px;
}

.location-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: stretch;
}
.location-controls {
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.location-controls label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  gap: 4px;
}
.location-controls .coords-row { margin-top: 4px; }
.location-controls .btn { margin-top: auto; align-self: flex-start; }

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
  align-items: flex-end;
}
.row label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  gap: 4px;
  flex: 1;
  min-width: 120px;
}
input[type=text], input[type=number], input[type=password] {
  padding: 10px 12px;
  border-radius: 10px;
  border: 2px solid var(--input-border);
  font-family: 'Nunito', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s;
  flex: 1;
  min-width: 110px;
}
input:focus { border-color: var(--secondary); }

.coords-row { font-weight: 700; color: var(--secondary-dark); }

.btn {
  border: none;
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 800;
  font-family: 'Nunito', sans-serif;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  box-shadow: 0 4px 0 rgba(0,0,0,0.15);
}
.btn:active { transform: translateY(2px); box-shadow: 0 2px 0 rgba(0,0,0,0.15); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: var(--secondary-dark); }
.btn-outline { background: var(--surface); color: var(--secondary-dark); border: 2px solid var(--secondary); box-shadow: none; }

.aircraft-list, .alert-log { list-style: none; padding: 0; margin: 0; max-height: 260px; overflow-y: auto; }
.aircraft-list li, .alert-log li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--panel-bg);
  border-radius: 12px;
  margin-bottom: 8px;
  border: 2px solid var(--panel-border);
  font-size: 0.9rem;
}
.aircraft-list .meta { color: var(--muted); font-size: 0.8rem; }
.aircraft-list button.remove {
  background: none;
  border: none;
  color: var(--danger);
  font-weight: 800;
  cursor: pointer;
  font-size: 1rem;
}
.alert-log li { flex-direction: column; align-items: flex-start; }
.alert-log a { color: var(--secondary-dark); font-weight: 700; }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 20px;
  position: relative;
  z-index: 1;
}
.logout-link {
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: underline;
}

.status-ok { color: #2a9d5c; font-weight: 800; }
.status-err { color: var(--danger); font-weight: 800; }

.card-wide { grid-column: 1 / -1; }

.type-search-wrap { position: relative; margin-bottom: 14px; }
.type-search-wrap input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 2px solid var(--secondary);
  font-size: 1rem;
}
.type-search-results {
  margin-top: 8px;
  max-height: 280px;
  overflow-y: auto;
  border-radius: 12px;
}
.type-search-results .type-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--panel-bg);
  border: 2px solid var(--panel-border);
  border-radius: 10px;
  margin-bottom: 6px;
}
.type-search-results .type-row .type-name { font-weight: 700; font-size: 0.92rem; }
.type-search-results .type-row .type-code { color: var(--muted); font-size: 0.78rem; margin-left: 6px; }
.type-search-results .type-row button {
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 800;
  font-size: 0.82rem;
  cursor: pointer;
  white-space: nowrap;
}
.type-search-results .type-row button.add-btn { background: var(--secondary); color: #fff; }
.type-search-results .type-row button.added-btn { background: var(--danger); color: #fff; }
.airport-btn-group { display: flex; gap: 6px; flex-shrink: 0; }
.type-search-hint { color: var(--muted); font-size: 0.85rem; padding: 8px 4px; }

.advanced-add {
  margin: 10px 0 18px;
  background: var(--advanced-bg);
  border-radius: 12px;
  padding: 10px 14px;
  border: 2px dashed var(--advanced-border);
}
.advanced-add summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--secondary-dark);
  font-size: 0.9rem;
}
.advanced-add form { margin-top: 10px; }

.sub-heading {
  font-family: 'Baloo 2', cursive;
  color: var(--secondary-dark);
  font-size: 1.05rem;
  margin: 6px 0 10px;
}

.hunting-list { list-style: none; padding: 0; margin: 0; max-height: 320px; overflow-y: auto; }
.hunting-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--hunting-bg);
  border-radius: 12px;
  margin-bottom: 8px;
  border: 2px solid var(--hunting-border);
  font-size: 0.9rem;
}
.hunting-list .meta { color: var(--muted); font-size: 0.8rem; }
.hunting-list .type-pill {
  display: inline-block;
  background: var(--secondary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
  margin-right: 6px;
}
.hunting-list button.remove {
  background: none;
  border: none;
  color: var(--danger);
  font-weight: 800;
  cursor: pointer;
  font-size: 1rem;
}

.results-table-wrap { overflow-x: auto; }
.results-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.results-table th {
  text-align: left;
  color: var(--secondary-dark);
  font-family: 'Baloo 2', cursive;
  padding: 8px 10px;
  border-bottom: 3px solid var(--panel-border);
  white-space: nowrap;
}
.results-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--panel-border);
  white-space: nowrap;
}
.results-table td.meta { color: var(--muted); }
.results-table a { color: var(--secondary-dark); font-weight: 700; }
.results-table .links-cell { display: flex; gap: 8px; }
.results-table .links-cell a { font-size: 0.8rem; }
.results-table .on-ground-yes { color: var(--muted); }
.results-table .on-ground-no { color: #2a9d5c; font-weight: 700; }

.results-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
  padding: 12px;
  background: var(--advanced-bg);
  border: 2px dashed var(--advanced-border);
  border-radius: 12px;
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}
.filter-group label {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.filter-group select {
  padding: 8px 10px;
  border-radius: 10px;
  border: 2px solid var(--input-border);
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  background: var(--card-bg);
  color: var(--text);
}

.multi-select { position: relative; }
.multi-select-toggle {
  padding: 8px 10px;
  border-radius: 10px;
  border: 2px solid var(--input-border);
  background: var(--card-bg);
  color: var(--text);
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  cursor: pointer;
  min-width: 140px;
  text-align: left;
}
.multi-select-toggle.active-filter { border-color: var(--secondary); color: var(--secondary-dark); font-weight: 700; }
.multi-select-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  background: var(--card-bg);
  border: 2px solid var(--panel-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 8px;
  max-height: 220px;
  overflow-y: auto;
  z-index: 5;
  min-width: 200px;
}
.multi-select-panel.open { display: block; }
.multi-select-panel label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.multi-select-panel .empty-note { color: var(--muted); font-size: 0.82rem; padding: 4px; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 14px 0 4px;
}
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Operational modes ---------- */
.code10-banner {
  position: relative; z-index: 3; max-width: 1200px; margin: 12px auto 0; padding: 18px 22px;
  background: linear-gradient(135deg, #b3261e, #7f1710); color: #fff; border-radius: var(--radius);
  border: 3px solid #ffb4ab; box-shadow: var(--shadow);
}
.code10-banner .code10-title { font-family: 'Baloo 2', cursive; font-size: 1.6rem; margin-bottom: 6px; }
.code10-banner p, .code10-banner ul { margin: 6px 0; }
.status-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.status-pill { display: inline-block; padding: 8px 18px; border-radius: 999px; font-weight: 800; color: #fff; background: #2a9d5c; }
.status-pill.status-silent { background: #d98a00; }
.status-pill.status-sleeping { background: #3b6fb6; }
.status-pill.status-code10 { background: #b3261e; }
.ops-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-bottom: 18px; }
.ops-panel { background: var(--panel-bg); border: 2px solid var(--panel-border); border-radius: 14px; padding: 14px; }
.ops-panel.code10-panel { border-color: var(--danger); }
.ops-panel .hint { margin-top: 0; }
.toggle { display: flex; align-items: center; gap: 8px; font-weight: 700; margin: 6px 0; }
.field { display: flex; align-items: center; gap: 8px; font-weight: 700; margin: 6px 0; flex-wrap: wrap; }
.field input[type=number], .field input[type=text] { width: 110px; }
.field input#code10Phrase { width: 100%; }
.range-list { list-style: none; padding: 0; margin: 8px 0; }
.range-list li { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px; margin-bottom: 6px;
  background: var(--card-bg); border: 2px solid var(--panel-border); border-radius: 10px; font-weight: 700; }
.range-list li.meta { color: var(--muted); font-weight: 400; }
.range-list button { background: none; border: none; color: var(--danger); font-weight: 800; cursor: pointer; }
.range-add { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.range-add input[type=time] { padding: 8px; border-radius: 10px; border: 2px solid var(--input-border); background: var(--card-bg); color: var(--text); }
.ops-msg { min-height: 1.2em; font-size: 0.85rem; font-weight: 700; margin: 8px 0 0; }
.ops-msg.ok { color: #2a9d5c; }
.ops-msg.err { color: var(--danger); }
.ops-divider { border: 0; border-top: 2px dashed var(--panel-border); margin: 14px 0; }
.timeout-options { border: 2px solid var(--panel-border); border-radius: 10px; margin: 8px 0 12px; }
.timeout-options legend { font-size: 0.82rem; font-weight: 800; color: var(--muted); padding: 0 6px; }
.timeout-options label { display: flex; align-items: center; gap: 8px; margin: 4px 0; font-weight: 600; }
.timeout-options input[type=number] { width: 80px; padding: 4px 8px; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(0.9); }
.btn-danger:disabled { opacity: 0.4; cursor: not-allowed; }
.silent-tag { font-size: 0.8rem; }
.modal-overlay { position: fixed; inset: 0; z-index: 50; background: rgba(0, 0, 0, 0.6); align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--card-bg); color: var(--text); border: 3px solid var(--danger); border-radius: var(--radius); padding: 22px; max-width: 460px; width: 100%; box-shadow: var(--shadow); }
.modal h3 { margin-top: 0; color: var(--danger); font-family: 'Baloo 2', cursive; font-size: 1.4rem; }
.modal .phrase { font-family: monospace; font-size: 1.2rem; font-weight: 800; background: var(--panel-bg); padding: 8px 12px; border-radius: 8px; text-align: center; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

/* ---------- Collapsible sections ---------- */
.card-toggle {
  cursor: pointer; user-select: none; -webkit-tap-highlight-color: transparent;
  display: block; margin-bottom: 0; padding: 4px 0; line-height: 1.35;
}
.card-toggle::before {
  content: "\25BE"; display: inline-block; width: 1.2em; margin-right: 2px;
  transition: transform 0.2s ease; color: var(--muted);
}
.card.collapsed .card-toggle::before { transform: rotate(-90deg); }
.card-toggle:hover .card-title { text-decoration: underline; }
.card-toggle:focus-visible { outline: 3px solid var(--secondary); outline-offset: 3px; border-radius: 8px; }
.card-summary { font-family: 'Nunito', sans-serif; font-size: 0.92rem; font-weight: 800; color: var(--muted); }
.card-body { margin-top: 10px; }
.card.collapsed .card-body { display: none; }
.card.collapsed { padding-top: 12px; padding-bottom: 12px; }

/* ---------- Footer ---------- */
.footer a.site-link { color: var(--secondary-dark); font-weight: 800; }

/* ---------- Alert Trigger Conditions: big, left-aligned remove button (easy to tap on phones) ---------- */
.hunting-list li { justify-content: flex-start; gap: 12px; }
.hunting-list button.remove {
  order: -1; flex: 0 0 auto; width: 44px; height: 44px; font-size: 1.25rem; line-height: 1;
  border: 2px solid var(--danger); border-radius: 12px; background: var(--card-bg);
  color: var(--danger); touch-action: manipulation;
}
.hunting-list button.remove:hover, .hunting-list button.remove:active { background: var(--danger); color: #fff; }

/* ---------- Operating-modes layout: 3 panels per row, CODE10 full width ---------- */
.ops-grid { display: grid; grid-template-columns: 1fr; gap: 16px; align-items: start; margin-bottom: 8px; }
@media (min-width: 700px) {
  .ops-grid { grid-template-columns: 1fr 1fr; }
  .ops-grid > .ops-panel:nth-child(3) { grid-column: 1 / -1; }
}
@media (min-width: 1000px) {
  .ops-grid { grid-template-columns: repeat(3, 1fr); }
  .ops-grid > .ops-panel:nth-child(3) { grid-column: auto; }
}
.ops-grid > .code10-panel { grid-column: 1 / -1; }
.code10-layout { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 760px) { .code10-layout { grid-template-columns: 1.7fr 1fr; align-items: start; } }
.code10-warn { border-left: 2px dashed var(--panel-border); padding-left: 18px; }
@media (max-width: 759px) { .code10-warn { border-left: 0; padding-left: 0; border-top: 2px dashed var(--panel-border); padding-top: 12px; } }
.mini-heading { font-family: 'Baloo 2', cursive; color: var(--secondary-dark); margin: 0 0 6px; font-size: 1rem; }
.timeout-options { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.timeout-options legend { flex-basis: 100%; }
.timeout-options label { display: inline-flex; align-items: center; margin: 2px 0; white-space: nowrap; }
.filter-group input[type=text] {
  padding: 8px 10px; border-radius: 10px; border: 2px solid var(--input-border);
  background: var(--card-bg); color: var(--text); font-family: inherit; min-width: 180px;
}

/* ---------- Phones: never let a wide table stretch the page ----------
   A grid track is "1fr" = minmax(auto, 1fr), so the 12-column Alert Events table
   forced the whole page to ~860px wide. Phones then zoomed the page out and every
   button became tiny. Cards may now shrink; the table scrolls inside its own box. */
.grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 860px) { .grid { grid-template-columns: minmax(0, 1fr); } }
.card { min-width: 0; }

.count-badge { color: var(--muted); font-weight: 800; }