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

:root {
  --bg: #0d0d1a;
  --bg2: #16213e;
  --text: #e0e0e0;
  --accent: #0f3460;
  --green: #4ade80;
  --red: #f87171;
  --yellow: #fbbf24;
  --border: #3a3a5c;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
}

.screen {
  display: none;
  height: 100%;
}
.screen.active {
  display: flex;
}

/* ===== SCANLINES ===== */
.scanlines {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.1) 2px,
    rgba(0,0,0,0.1) 4px
  );
  pointer-events: none;
  z-index: 999;
}

/* ===== LOGIN ===== */
#login-screen {
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background:
    radial-gradient(ellipse at 50% 50%, #16213e 0%, #0d0d1a 70%);
}

.login-box {
  text-align: center;
  position: relative;
  z-index: 1;
}

.logo-art {
  margin-bottom: 20px;
}

.logo-ascii {
  color: var(--green);
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(74, 222, 128, 0.5);
  white-space: pre;
}

.pixel-subtitle {
  font-size: 8px;
  color: #666;
  margin-bottom: 32px;
}

.pixel-input {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  background: var(--bg);
  border: 2px solid var(--border);
  color: var(--green);
  padding: 12px 16px;
  width: 260px;
  display: block;
  margin: 0 auto 16px;
  outline: none;
  text-align: center;
  letter-spacing: 2px;
}

.pixel-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 10px rgba(74, 222, 128, 0.2);
}

.pixel-btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 12px;
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
  padding: 10px 32px;
  cursor: pointer;
  letter-spacing: 2px;
  transition: all 0.1s;
}

.pixel-btn:hover {
  background: var(--green);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.3);
}

.pixel-btn:active {
  transform: translate(2px, 2px);
}

/* ===== OFFICE ===== */
#office-screen {
  flex-direction: column;
}

.office-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg2);
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
  z-index: 10;
  height: 50px;
}

.office-title {
  font-size: 11px;
  color: var(--green);
  text-shadow: 0 0 10px rgba(74, 222, 128, 0.3);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-text {
  font-size: 8px;
  color: var(--green);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  display: inline-block;
  animation: blink 2s infinite;
}

.status-dot.offline {
  background: var(--red);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.canvas-wrapper {
  flex: 1;
  overflow: auto;
  display: flex;
  justify-content: center;
}

#office-canvas {
  display: block;
  image-rendering: pixelated;
}

/* ===== CHAT ===== */
#chat-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 100;
  flex-direction: column;
}

.chat-window {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--bg2);
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
  min-height: 46px;
}

.chat-title-text {
  font-size: 9px;
  color: var(--green);
  text-align: center;
  flex: 1;
  padding: 0 8px;
}

.pixel-btn-sm {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
  padding: 6px 10px;
  cursor: pointer;
  white-space: nowrap;
}

.pixel-btn-sm:hover {
  border-color: var(--green);
  color: var(--green);
}

.abort-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

.send-btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 14px;
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
  padding: 8px 14px;
  cursor: pointer;
  flex-shrink: 0;
}

.send-btn:hover {
  background: var(--green);
  color: var(--bg);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.msg {
  padding: 10px 14px;
  max-width: 88%;
  word-break: break-word;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  border-left: 3px solid;
}

.msg-user {
  align-self: flex-end;
  background: #0f3460;
  border-color: #4a6fa5;
  color: #c8d6e5;
  border-left: none;
  border-right: 3px solid #4a6fa5;
}

.msg-agent {
  align-self: flex-start;
  background: #0d1f0d;
  border-color: var(--green);
  color: #a8e6a8;
}

.msg-tool {
  align-self: flex-start;
  background: #1a1800;
  border-color: var(--yellow);
  color: var(--yellow);
  font-size: 10px;
  font-family: 'Press Start 2P', monospace;
  padding: 6px 10px;
  opacity: 0.8;
}

.msg-error {
  align-self: flex-start;
  background: #1f0d0d;
  border-color: var(--red);
  color: var(--red);
}

.msg-status {
  align-self: center;
  background: none;
  border: none;
  color: #444;
  font-size: 8px;
  font-family: 'Press Start 2P', monospace;
  padding: 4px;
}

.typing-indicator {
  align-self: flex-start;
  color: var(--green);
  font-size: 8px;
  font-family: 'Press Start 2P', monospace;
  padding: 6px;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg2);
  border-top: 2px solid var(--border);
  flex-shrink: 0;
}

.pixel-textarea {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  background: var(--bg);
  border: 2px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  flex: 1;
  resize: none;
  outline: none;
  line-height: 1.4;
}

.pixel-textarea:focus {
  border-color: var(--green);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); }

/* Mobile */
@media (max-width: 480px) {
  .logo-ascii { font-size: 5px; }
  .pixel-input { width: 220px; font-size: 9px; }
  .chat-title-text { font-size: 7px; }
  .msg { max-width: 95%; font-size: 12px; }
  .pixel-textarea { font-size: 13px; }
}