* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #eee;
  min-height: 100vh;
  direction: ltr;
}

body.rtl {
  direction: rtl;
}

#app {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.lang-switch {
  text-align: right;
  margin-bottom: 10px;
}

.lang-switch button {
  background: #333;
  color: #fff;
  border: none;
  padding: 5px 12px;
  margin-left: 5px;
  cursor: pointer;
  border-radius: 4px;
}

.screen {
  background: rgba(0,0,0,0.4);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.hidden { display: none !important; }

h1 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 5px;
  color: #ffd54f;
}

#subtitle {
  text-align: center;
  opacity: 0.8;
  margin-bottom: 25px;
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  justify-content: center;
}

.tabs button {
  flex: 1;
  padding: 10px;
  background: #333;
  border: none;
  color: #fff;
  cursor: pointer;
  border-radius: 6px;
}

.tabs button.active {
  background: #ffd54f;
  color: #111;
  font-weight: bold;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
  margin: 0 auto;
}

.form input, .form select {
  padding: 12px;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
}

.form button {
  padding: 12px;
  background: #ffd54f;
  color: #111;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  font-size: 1rem;
}

.form button:hover {
  background: #ffecb3;
}

.error {
  color: #ef5350;
  text-align: center;
  margin-top: 15px;
}

/* GAME UI */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #444;
}

.resources span {
  margin-right: 15px;
  font-size: 1.1rem;
}

nav {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.nav-btn {
  padding: 8px 16px;
  background: #333;
  border: none;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}

.nav-btn.active {
  background: #ffd54f;
  color: #111;
  font-weight: bold;
}

.panel h2 {
  margin-bottom: 15px;
  color: #ffd54f;
}

.building-card, .unit-card {
  background: rgba(255,255,255,0.08);
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.building-card button, .unit-card button {
  padding: 6px 14px;
  background: #4caf50;
  border: none;
  color: white;
  border-radius: 4px;
  cursor: pointer;
}

.building-card button:disabled {
  background: #555;
  cursor: not-allowed;
}

#shop-content button {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 12px;
  background: #ff9800;
  border: none;
  color: #111;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
}

label {
  display: block;
  margin: 8px 0;
  cursor: pointer;
}

.hint {
  opacity: 0.8;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

#world-map {
  display: grid;
  grid-template-columns: repeat(25, 14px);
  gap: 2px;
  background: #0b1c22;
  padding: 10px;
  border-radius: 8px;
  overflow: auto;
  max-height: 420px;
}

.map-cell {
  width: 14px;
  height: 14px;
  background: #163038;
  border-radius: 2px;
}

.map-cell.base {
  cursor: pointer;
  border-radius: 50%;
}

.map-cell.mine {
  box-shadow: 0 0 0 2px #fff;
}

#map-info {
  margin-top: 12px;
  background: rgba(255,255,255,0.08);
  padding: 12px;
  border-radius: 8px;
}

#map-info input {
  width: 60px;
  margin: 4px;
  padding: 4px;
}