:root {
  --navy: #1e3a5f;
  --navy-dark: #152a45;
  --ground: #e6eaef;
  --panel: #ffffff;
  --ink: #1a2332;
  --muted: #5a6a7a;
  --primary: #2a6bb0;
  --primary-hover: #1f5691;
  --accent: #c45c26;
  --border: #c5ced8;
  --ref: #d6e6f7;
  --danger: #b33a3a;
  --radius: 6px;
  --font: "Segoe UI", "Candara", "Trebuchet MS", sans-serif;
  --mono: "Consolas", "Cascadia Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse at 10% 0%, rgba(30, 58, 95, 0.08), transparent 45%),
    linear-gradient(180deg, #dfe5ec 0%, var(--ground) 40%, #dde3ea 100%);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #f2f5f8;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 0;
  font-size: 0.75rem;
  opacity: 0.8;
}

.sw-status {
  font-size: 0.85rem;
  color: #7dcea0;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  background: var(--navy-dark);
  border-bottom: 2px solid #0f1c2c;
}

.tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: #b8c6d6;
  padding: 0.55rem 0.9rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius) var(--radius) 0 0;
}

.tab:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.tab.active {
  background: var(--ground);
  color: var(--navy);
}

.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
}

.panel[hidden] {
  display: none !important;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 2px rgba(20, 40, 60, 0.04);
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--navy);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}

.section-title {
  margin: 0.5rem 0 0.75rem;
  font-size: 1.05rem;
  color: var(--navy);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.form-grid,
.pad-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 0.85rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

input,
select {
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  text-transform: none;
  letter-spacing: 0;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fafbfc;
}

input:focus,
select:focus {
  outline: 2px solid rgba(42, 107, 176, 0.35);
  border-color: var(--primary);
}

input[readonly] {
  background: #eef2f6;
  color: var(--muted);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0.55rem 1rem;
  font: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

.btn.primary:hover {
  background: var(--primary-hover);
}

.btn.secondary {
  background: var(--navy);
  color: #fff;
}

.btn.fire {
  background: var(--danger);
  color: #fff;
  border-color: #8f2e2e;
  min-width: 120px;
}

.btn.fire:hover:not(:disabled) {
  background: #912018;
}

.btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--navy);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.hint {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.error {
  margin: 0.6rem 0 0;
  color: var(--danger);
  font-size: 0.9rem;
  font-weight: 600;
}

.gun-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.gun-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.gun-card:hover {
  border-color: #8eb4d8;
}

.gun-card.ref {
  background: var(--ref);
  border-color: #8eb4d8;
}

.gun-card.in-band {
  border-color: #1b7a4e;
  border-left: 4px solid #1b7a4e;
  background: #f3faf6;
}

.gun-card.in-band header .band-badge {
  background: #1b7a4e;
  color: #fff;
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-weight: 700;
}

.gun-card header .hudut-badge {
  background: #a33;
  color: #fff;
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-weight: 700;
}

.gun-card.out-hudut {
  border-color: #c45c26;
  box-shadow: inset 0 0 0 1px rgba(196, 92, 38, 0.35);
}

.gun-card.selected {
  box-shadow: 0 0 0 2px var(--primary);
  border-color: var(--primary);
}

.gun-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--navy);
}

.gun-card .card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: flex-end;
}

.gun-card .yan-val.in-band {
  color: #1b7a4e;
  font-weight: 800;
}

.mission-card .subhead {
  margin: 1rem 0 0.4rem;
  font-size: 0.9rem;
  color: var(--navy);
}

.mission-banner {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink);
}

.hint-inline {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: none;
}

.shot-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-top: 0.35rem;
}

.shot-table th,
.shot-table td {
  border: 1px solid var(--border);
  padding: 0.35rem 0.45rem;
  text-align: left;
}

.shot-table th {
  background: var(--navy);
  color: #fff;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.shot-table .empty td {
  color: var(--muted);
  text-align: center;
  font-style: italic;
}

.gun-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--navy);
  display: flex;
  justify-content: space-between;
}

.gun-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.6rem;
  font-size: 0.85rem;
}

.gun-card dt {
  color: var(--muted);
}

.gun-card dd {
  margin: 0;
  font-family: var(--mono);
  font-weight: 600;
  text-align: right;
}

.mevzi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.mevzi-card .form-grid {
  grid-template-columns: 1fr;
}

.kpi-list {
  margin: 0;
}

.kpi-list > div {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px solid #eef1f4;
}

.kpi-list dt {
  color: var(--muted);
  font-size: 0.8rem;
}

.kpi-list dd {
  margin: 0;
  font-family: var(--mono);
  font-weight: 700;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.65rem;
}

.kpi-tile {
  background: #f4f7fa;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.6rem 0.75rem;
}

.kpi-tile .lab {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.kpi-tile .val {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
}

.target-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}

.inline-field {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.inline-field input {
  flex: 1;
  min-width: 0;
}

.btn-sm {
  padding: 0.35rem 0.55rem;
  font-size: 0.75rem;
  white-space: nowrap;
}

.target-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem 0.75rem;
  align-items: center;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 0.4rem;
  background: #fafbfc;
}

.target-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.target-meta .name {
  font-weight: 700;
  color: var(--navy);
}

.target-meta .coords {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.target-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.target-actions .btn-icon {
  appearance: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  width: 2rem;
  height: 2rem;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.target-actions .btn-icon:hover {
  border-color: var(--primary);
  background: var(--ref);
}

.target-actions .btn-icon.fire:hover {
  border-color: var(--danger);
  background: #fdecea;
}

.rakim-busy {
  opacity: 0.7;
}

.gun-toggle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6.5rem, 1fr));
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.gun-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fafbfc;
  font-size: 0.9rem;
  cursor: pointer;
}

.gun-toggle.locked {
  opacity: 0.85;
  background: var(--ref);
}

.gun-toggle input {
  width: auto;
  margin: 0;
}

.app-footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.75rem;
  color: var(--muted);
}

@media (max-width: 960px) {
  .grid-2,
  .grid-3,
  .gun-grid,
  .mevzi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .gun-grid,
  .mevzi-grid,
  .form-grid,
  .pad-grid {
    grid-template-columns: 1fr;
  }

  .tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .tab {
    white-space: nowrap;
  }
}