/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark: #0a0a1a;
  --bg-panel: #1a1a2e;
  --bg-panel-light: #252545;
  --border: #4a4a6a;
  --border-light: #6a6a8a;
  --text: #e0d8c8;
  --text-dim: #8a8a9a;
  --text-bright: #f0e6d3;
  --accent-blue: #5080c0;
  --accent-red: #c05050;
  --accent-green: #50c050;
  --accent-yellow: #c0a030;
  --accent-purple: #9060c0;
  --font-pixel: 'Press Start 2P', monospace;
  --font-ui: monospace;
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--text);
  font-family: var(--font-pixel);
  font-size: 10px;
  line-height: 1.6;
}

/* ===== SCREENS ===== */
#game-container {
  width: 100vw; height: 100vh;
  position: relative;
  overflow: hidden;
}

.screen {
  position: absolute; inset: 0;
  display: none;
  flex-direction: column;
}
.screen.active { display: flex; }

/* ===== TITLE SCREEN ===== */
#title-screen {
  justify-content: center;
  align-items: center;
  background: radial-gradient(ellipse at center, #1a1a3e 0%, #0a0a1a 70%);
}
#title-screen .title-bg {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.3;
}
#title-canvas { image-rendering: pixelated; }
.title-menu {
  position: relative; z-index: 1;
  text-align: center;
}
.game-title {
  font-size: 32px;
  color: var(--accent-green);
  text-shadow: 3px 3px 0 #1a4a1a, -1px -1px 0 #80ff80;
  letter-spacing: 4px;
  margin-bottom: 10px;
  line-height: 1.4;
}
.subtitle {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 40px;
  letter-spacing: 2px;
}
.menu-buttons {
  display: flex; flex-direction: column; gap: 12px;
  align-items: center;
}

/* ===== PIXEL BUTTONS ===== */
.pixel-btn {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--text);
  background: var(--bg-panel);
  border: 2px solid var(--border);
  padding: 10px 24px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.1s;
  min-width: 200px;
}
.pixel-btn:hover {
  background: var(--bg-panel-light);
  border-color: var(--border-light);
  color: var(--text-bright);
  transform: scale(1.02);
}
.pixel-btn:active {
  transform: scale(0.98);
  background: var(--bg-dark);
}
.pixel-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}
.pixel-btn.large { font-size: 14px; padding: 14px 32px; }
.pixel-btn.small { font-size: 10px; padding: 6px 12px; min-width: auto; }
.pixel-btn.end-turn {
  background: #2a3a2a;
  border-color: var(--accent-green);
  color: var(--accent-green);
}
.pixel-btn.end-turn:hover {
  background: #3a4a3a;
}

/* ===== FACTION SELECT ===== */
#faction-screen {
  padding: 20px;
  background: var(--bg-dark);
}
.screen-title {
  text-align: center;
  font-size: 16px;
  color: var(--accent-yellow);
  margin-bottom: 16px;
}
.faction-layout {
  display: flex; gap: 16px;
  flex: 1; min-height: 0;
}
.faction-list {
  width: 280px;
  display: flex; flex-direction: column; gap: 6px;
  overflow-y: auto;
}
.faction-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--bg-panel);
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.1s;
}
.faction-item:hover { border-color: var(--border-light); }
.faction-item.selected { border-color: var(--accent-yellow); background: var(--bg-panel-light); }
.faction-item .faction-icon { font-size: 24px; }
.faction-item .faction-info { display: flex; flex-direction: column; }
.faction-item .faction-name { font-size: 10px; color: var(--text-bright); }
.faction-item .faction-type { font-size: 8px; color: var(--text-dim); }

.faction-detail {
  flex: 1;
  background: var(--bg-panel);
  border: 2px solid var(--border);
  padding: 16px;
  overflow-y: auto;
}
.faction-detail h3 { font-size: 14px; color: var(--accent-yellow); margin-bottom: 4px; }
.faction-detail .faction-subtitle { font-size: 9px; color: var(--text-dim); margin-bottom: 12px; }
.faction-detail .faction-desc { font-size: 9px; line-height: 1.8; margin-bottom: 16px; }

.stat-row {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 6px; font-size: 8px;
}
.stat-name { width: 120px; color: var(--text-dim); text-transform: uppercase; }
.stat-bar {
  flex: 1; height: 8px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
}
.stat-fill { height: 100%; transition: width 0.3s; }

.traits-section { margin-top: 12px; }
.traits-section h4 { font-size: 9px; color: var(--accent-blue); margin-bottom: 6px; }
.trait-list { display: flex; flex-wrap: wrap; gap: 4px; }
.trait-tag {
  font-size: 7px; padding: 3px 6px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.faction-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0 0;
  margin-top: 16px;
  border-top: 2px solid var(--border);
}
.difficulty-select {
  display: flex; gap: 8px; align-items: center;
}
.difficulty-select .label { font-size: 10px; color: var(--text-dim); }
.diff-btn {
  font-family: var(--font-pixel);
  font-size: 8px;
  padding: 6px 10px;
  background: var(--bg-panel);
  border: 2px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
}
.diff-btn:hover { border-color: var(--border-light); }
.diff-btn.active { border-color: var(--accent-yellow); color: var(--accent-yellow); background: var(--bg-panel-light); }

/* ===== GAME SCREEN ===== */
#game-screen { background: var(--bg-dark); }

.resource-bar {
  display: flex; gap: 2px;
  padding: 6px 8px;
  background: var(--bg-panel);
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
}
.resource {
  display: flex; align-items: center; gap: 4px;
  padding: 2px 8px;
  font-size: 8px;
}
.res-icon { font-size: 10px; }
.res-label { color: var(--text-dim); font-size: 7px; }
.res-value { color: var(--text-bright); font-size: 10px; min-width: 24px; text-align: right; }
.res-bar {
  width: 40px; height: 6px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
}
.res-fill { height: 100%; background: var(--accent-blue); transition: width 0.3s; }
.alert-display .res-fill { background: var(--accent-red); }

.game-layout {
  display: flex; flex: 1; min-height: 0;
}
.map-container {
  flex: 1; position: relative;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-dark);
  overflow: hidden;
}
#game-canvas {
  image-rendering: pixelated;
  max-width: 100%;
  max-height: 100%;
}
.scanlines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.15) 2px,
    rgba(0,0,0,0.15) 4px
  );
  pointer-events: none;
}
.hidden { display: none !important; }

.sidebar {
  width: 300px;
  display: flex; flex-direction: column;
  border-left: 2px solid var(--border);
  flex-shrink: 0;
}
.panel {
  background: var(--bg-panel);
  padding: 12px;
  border-bottom: 2px solid var(--border);
}
.region-panel {
  flex: 1;
  overflow-y: auto;
}
.panel-title {
  font-size: 10px;
  color: var(--accent-yellow);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.action-panel {
  flex-shrink: 0;
}
.bottom-actions {
  display: flex; gap: 4px;
  margin-top: 8px;
}
.bottom-actions .pixel-btn {
  flex: 1; min-width: auto;
  font-size: 8px; padding: 8px 4px;
}

/* Region panel details */
.region-stat {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 8px; margin-bottom: 4px; padding: 2px 0;
}
.region-stat .stat-label { color: var(--text-dim); }
.region-stat .stat-value { color: var(--text-bright); }
.region-bar {
  width: 100%; height: 8px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  margin-bottom: 6px;
}
.region-bar-fill { height: 100%; transition: width 0.3s; }
.region-desc {
  font-size: 8px; color: var(--text-dim);
  line-height: 1.6; margin: 8px 0;
  font-family: var(--font-ui);
}
.region-props {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2px; font-size: 7px; margin-top: 8px;
}
.region-prop {
  display: flex; justify-content: space-between;
  padding: 2px 4px;
  background: var(--bg-dark);
}
.region-prop .prop-label { color: var(--text-dim); }
.region-prop .prop-value { color: var(--text); }
.action-btn {
  width: 100%;
  font-family: var(--font-pixel);
  font-size: 8px;
  padding: 8px;
  margin-bottom: 4px;
  background: var(--bg-panel-light);
  border: 2px solid var(--border);
  color: var(--text);
  cursor: pointer;
  text-align: left;
}
.action-btn:hover { border-color: var(--accent-yellow); color: var(--accent-yellow); }
.action-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.action-btn .action-cost {
  font-size: 7px; color: var(--text-dim);
  float: right;
}

/* ===== LOG BAR ===== */
.log-bar {
  height: 80px;
  background: var(--bg-panel);
  border-top: 2px solid var(--border);
  padding: 6px 10px;
  overflow-y: auto;
  flex-shrink: 0;
}
.log-content { display: flex; flex-direction: column-reverse; }
.log-entry {
  font-size: 8px; padding: 1px 0;
  font-family: var(--font-ui);
}
.log-entry .log-turn { color: var(--text-dim); margin-right: 8px; }
.log-entry.info { color: var(--text); }
.log-entry.good { color: var(--accent-green); }
.log-entry.bad { color: var(--accent-red); }
.log-entry.event { color: var(--accent-yellow); }
.log-entry.immune { color: var(--accent-purple); }

/* ===== OVERLAY PANELS ===== */
.overlay-panel {
  position: absolute; inset: 0;
  background: rgba(5, 5, 15, 0.85);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.overlay-content {
  width: 90%; max-width: 900px;
  max-height: 85vh;
  background: var(--bg-panel);
  border: 2px solid var(--border);
  padding: 16px;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.overlay-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}
.overlay-header h2 { font-size: 14px; color: var(--accent-yellow); }

/* Research panel */
.research-layout {
  display: flex; gap: 12px;
  flex: 1; min-height: 0;
}
.research-categories {
  width: 160px;
  display: flex; flex-direction: column; gap: 4px;
  overflow-y: auto;
}
.research-cat {
  font-family: var(--font-pixel);
  font-size: 7px;
  padding: 8px;
  background: var(--bg-dark);
  border: 2px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  text-align: left;
}
.research-cat:hover { border-color: var(--border-light); }
.research-cat.active { border-color: var(--accent-blue); color: var(--accent-blue); }
.research-tree {
  flex: 1;
  display: flex; flex-wrap: wrap; gap: 8px;
  align-content: flex-start;
  overflow-y: auto;
  padding: 4px;
}
.research-item {
  width: 140px;
  padding: 8px;
  background: var(--bg-dark);
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.1s;
}
.research-item:hover { border-color: var(--border-light); }
.research-item.available { border-color: var(--accent-blue); }
.research-item.researching { border-color: var(--accent-yellow); background: rgba(192,160,48,0.1); }
.research-item.completed { border-color: var(--accent-green); opacity: 0.7; }
.research-item.locked { opacity: 0.4; cursor: not-allowed; }
.research-item .ri-name { font-size: 8px; color: var(--text-bright); margin-bottom: 4px; }
.research-item .ri-cost { font-size: 7px; color: var(--text-dim); }
.research-item .ri-tier { font-size: 7px; color: var(--accent-blue); float: right; }

.research-detail {
  width: 240px;
  background: var(--bg-dark);
  border: 2px solid var(--border);
  padding: 12px;
  overflow-y: auto;
}
.research-detail h4 { font-size: 10px; color: var(--accent-yellow); margin-bottom: 8px; }
.research-detail .rd-desc { font-size: 8px; color: var(--text); line-height: 1.6; margin-bottom: 8px; font-family: var(--font-ui); }
.research-detail .rd-effects { font-size: 8px; color: var(--accent-green); margin-bottom: 8px; }
.research-detail .rd-tradeoff { font-size: 8px; color: var(--accent-red); margin-bottom: 12px; }
.research-detail .rd-flavor { font-size: 7px; color: var(--text-dim); font-style: italic; font-family: var(--font-ui); margin-bottom: 12px; }
.research-detail .pixel-btn { width: 100%; }

.research-current {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 2px solid var(--border);
  font-size: 9px;
}
.research-current .progress-bar {
  width: 100%; height: 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  margin-top: 6px;
}
.research-current .progress-fill {
  height: 100%; background: var(--accent-yellow);
  transition: width 0.5s;
}

/* ===== EVENT POPUP ===== */
.popup {
  position: absolute; inset: 0;
  background: rgba(5, 5, 15, 0.8);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
}
.popup-content {
  width: 400px;
  background: var(--bg-panel);
  border: 3px solid var(--accent-yellow);
  padding: 20px;
  text-align: center;
}
.popup-content h3 { font-size: 12px; color: var(--accent-yellow); margin-bottom: 12px; }
.popup-content p { font-size: 9px; line-height: 1.8; margin-bottom: 16px; font-family: var(--font-ui); }
#event-effects { font-size: 8px; margin-bottom: 12px; }
#event-choices { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }

/* ===== NOTIFICATIONS ===== */
#notifications {
  position: absolute; top: 60px; left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  display: flex; flex-direction: column; gap: 4px;
  pointer-events: none;
}
.notification {
  padding: 8px 16px;
  font-size: 9px;
  border: 2px solid;
  animation: notifIn 0.3s ease, notifOut 0.5s ease 2.5s forwards;
  text-align: center;
  min-width: 200px;
}
.notification.info { background: #1a2a3a; border-color: var(--accent-blue); color: var(--accent-blue); }
.notification.good { background: #1a3a1a; border-color: var(--accent-green); color: var(--accent-green); }
.notification.bad { background: #3a1a1a; border-color: var(--accent-red); color: var(--accent-red); }
.notification.warning { background: #3a2a1a; border-color: var(--accent-yellow); color: var(--accent-yellow); }

@keyframes notifIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes notifOut { from { opacity: 1; } to { opacity: 0; transform: translateY(-10px); } }

/* ===== ENDGAME SCREENS ===== */
#victory-screen, #defeat-screen {
  justify-content: center; align-items: center;
  background: rgba(5, 5, 15, 0.95);
}
.endgame-content { text-align: center; }
.victory-title { font-size: 28px; color: var(--accent-green); margin-bottom: 24px; text-shadow: 2px 2px 0 #1a3a1a; }
.defeat-title { font-size: 24px; color: var(--accent-red); margin-bottom: 24px; text-shadow: 2px 2px 0 #3a1a1a; }
#victory-stats, #defeat-stats {
  font-size: 10px; margin-bottom: 24px; line-height: 2.0;
  color: var(--text-dim);
}

/* ===== OPTIONS ===== */
.options-list { display: flex; flex-direction: column; gap: 12px; }
.option-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 10px; padding: 8px;
  background: var(--bg-dark);
}
.option-row input[type="checkbox"] { width: 20px; height: 20px; cursor: pointer; }
.option-row select {
  font-family: var(--font-pixel);
  font-size: 8px;
  background: var(--bg-panel);
  color: var(--text);
  border: 2px solid var(--border);
  padding: 4px;
}
.option-row .pixel-btn { flex: 1; margin: 0 4px; }

/* ===== OVERVIEW ===== */
#overview-content {
  overflow-y: auto;
  flex: 1;
}
.overview-section { margin-bottom: 16px; }
.overview-section h3 { font-size: 10px; color: var(--accent-blue); margin-bottom: 8px; }
.overview-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}
.overview-region {
  padding: 8px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  font-size: 8px;
}
.overview-region .or-name { color: var(--text-bright); margin-bottom: 4px; }
.overview-region .or-bar {
  width: 100%; height: 6px;
  background: #111; margin-top: 2px;
}
.overview-region .or-fill { height: 100%; }

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .sidebar { width: 240px; }
  .resource-bar { flex-wrap: wrap; }
  .resource { padding: 2px 4px; }
  .faction-layout { flex-direction: column; }
  .faction-list { width: 100%; flex-direction: row; flex-wrap: wrap; }
}