/* AGENT HELIX - LEAN MVP STYLESHEET - DOUTRINA MESTRA V6.0 */
:root {
  --bg-primary: #000000;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #111215;
  --accent-data: #1B98E0;
  --accent-alert: #D7263D;
  --accent-signal: #00A99D;
  --text-primary: #F4F4F4;
  --text-dim: #9aa4ab;
  --border-hud: rgba(27, 152, 224, 0.5);
  --font-terminal: 'Share Tech Mono', 'Consolas', monospace;
  --font-interface: 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-interface);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

#terminal-container {
  width: 100%;
  height: 100%;
  max-width: 900px;
  max-height: 96vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  border: 2px solid var(--border-hud);
  box-shadow: 0 0 20px rgba(27, 152, 224, 0.3), 0 0 0 1px rgba(27,152,224,0.08);
}

.terminal-header,
.terminal-footer {
  padding: 0.6rem 1.2rem;
  background: var(--bg-tertiary);
  font-family: var(--font-terminal);
  flex-shrink: 0;
  font-size: 14px;
}

.terminal-header {
  border-bottom: 1px solid var(--border-hud);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.terminal-footer {
  border-top: 1px solid var(--border-hud);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#terminal-title {
  color: var(--accent-data);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
}

#system-status {
  color: var(--accent-signal);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.terminal-content {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
  line-height: 1.6;
}

/* Typography */
h2, h3 {
  font-family: var(--font-terminal);
  margin: 1.5rem 0 1rem 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

h2 {
  color: var(--accent-data);
  font-size: 1.3rem;
  border-bottom: 2px solid var(--accent-data);
  padding-bottom: 0.5rem;
}

h3 {
  color: var(--accent-signal);
  font-size: 1.1rem;
}

p {
  margin: 1rem 0;
  font-size: 1rem;
}

/* Buttons */
.command-button {
  background: transparent;
  border: 2px solid var(--accent-signal);
  color: var(--accent-signal);
  padding: 12px 18px;
  font-family: var(--font-terminal);
  cursor: pointer;
  margin-top: 1.5rem;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
}

.command-button:hover {
  background-color: var(--accent-signal);
  color: var(--bg-primary);
  box-shadow: 0 0 15px rgba(0, 169, 157, 0.5);
}

.command-button.subtle {
  border-color: rgba(0,169,157,0.4);
  color: rgba(0,169,157,0.8);
  font-size: 0.85rem;
  padding: 8px 12px;
}

/* Task Items */
.task-item {
  margin: 12px 0;
  padding: 15px;
  background: var(--bg-secondary);
  cursor: pointer;
  border-left: 4px solid var(--accent-data);
  border-right: 1px solid rgba(27,152,224,0.16);
  transition: all 0.3s ease;
  border-radius: 3px;
  position: relative;
  font-family: var(--font-terminal);
  font-size: 0.95rem;
}

.task-item:hover {
  background: rgba(27, 152, 224, 0.1);
  border-left-color: var(--accent-signal);
}

.task-item.completed {
  text-decoration: line-through;
  border-left-color: var(--accent-signal);
  opacity: 0.75;
  background: rgba(0, 169, 157, 0.1);
}

.task-item.completed::after {
  content: "✓ COMPLETED";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-signal);
  font-family: var(--font-terminal);
  font-size: 0.8rem;
  font-weight: bold;
}

/* Phase Navigation */
.phase-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.phase-button {
  background: transparent;
  border: 1px solid var(--accent-data);
  color: var(--accent-data);
  padding: 6px 10px;
  font-family: var(--font-terminal);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.phase-button:hover {
  background: rgba(27, 152, 224, 0.2);
}

.phase-button.active {
  background: var(--accent-data);
  color: var(--bg-primary);
}

/* Special Content Blocks */
.protocol-intro {
  background: rgba(27, 152, 224, 0.1);
  border: 1px solid var(--accent-data);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 5px;
}

.anomaly-highlight {
  background: rgba(215, 38, 61, 0.2);
  border-left: 4px solid var(--accent-alert);
  padding: 1rem;
  margin: 1rem 0;
  font-family: var(--font-terminal);
}

.glitch-text {
  color: var(--accent-alert);
  font-family: var(--font-terminal);
  font-weight: bold;
  animation: glitch 3s infinite;
}

@keyframes glitch {
  0%, 100% { text-shadow: none; }
  10% { text-shadow: 2px 0 var(--accent-alert); }
  20% { text-shadow: -2px 0 var(--accent-data); }
  30% { text-shadow: none; }
}

/* Visual Effects */
.scanlines-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.025) 2px,
    rgba(255,255,255,0.025) 4px
  );
  pointer-events: none;
  z-index: 1000;
}

.fade-in {
  animation: fadeIn 0.6s ease-in-out;
}

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

/* Scrollbar Styling */
.terminal-content::-webkit-scrollbar {
  width: 8px;
}

.terminal-content::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.terminal-content::-webkit-scrollbar-thumb {
  background: var(--accent-data);
  border-radius: 4px;
}

.terminal-content::-webkit-scrollbar-thumb:hover {
  background: var(--accent-signal);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  #terminal-container {
    max-width: 100%;
    height: 100vh;
    max-height: none;
    border-radius: 0;
  }

  .terminal-content {
    padding: 1rem;
  }

  .terminal-header, .terminal-footer {
    padding: 0.5rem 1rem;
    font-size: 12px;
  }

  h2 {
    font-size: 1.1rem;
  }

  .task-item {
    padding: 12px;
    font-size: 0.9rem;
  }

  .command-button {
    width: 100%;
    margin-top: 1rem;
  }

  .phase-nav {
    justify-content: center;
  }
}

.footer-controls {
  display: flex;
  gap: 8px;
}