/* P2P Time Keeper - Retro Terminal CRT Aesthetic */
@import url('https://fonts.googleapis.com/css2?family=VT323&family=IBM+Plex+Mono:wght@400;600&display=swap');

:root {
  /* Terminal Colors */
  --bg-black: #000000;
  --bg-dark: #0a0a0a;
  --phosphor-green: #33ff33;
  --phosphor-dim: #1a8f1a;
  --phosphor-glow: rgba(51, 255, 51, 0.5);
  --warning-amber: #ffaa00;
  --warning-glow: rgba(255, 170, 0, 0.5);
  --critical-red: #ff3333;
  --critical-glow: rgba(255, 51, 51, 0.5);
  --text-dim: #1a5f1a;

  /* Typography */
  --font-display: 'VT323', monospace;
  --font-mono: 'IBM Plex Mono', monospace;
}

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

html, body {
  height: 100%;
  background: var(--bg-black);
  color: var(--phosphor-green);
  font-family: var(--font-mono);
  overflow-x: hidden;
}

/* Screen Container */
.crt-screen {
  position: relative;
  min-height: 100vh;
  background: var(--bg-black);
  overflow: hidden;
}

/* Subtle vignette only */
.vignette {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.3) 100%);
  pointer-events: none;
  z-index: 998;
}

/* Subtle Text Glow */
.glow {
  text-shadow: 0 0 10px var(--phosphor-glow);
}

.glow-amber {
  color: var(--warning-amber) !important;
  text-shadow: 0 0 10px var(--warning-glow) !important;
}

.glow-red {
  color: var(--critical-red) !important;
  text-shadow: 0 0 15px var(--critical-glow) !important;
}

/* Container */
.container {
  position: relative;
  z-index: 1;
  padding: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

/* Terminal Header */
.terminal-header {
  border-bottom: 2px solid var(--phosphor-dim);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

.terminal-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  letter-spacing: 0.1em;
}

.terminal-subtitle {
  font-size: 0.875rem;
  color: var(--phosphor-dim);
  margin-top: 0.5rem;
}

/* Timer Display */
.timer-display {
  text-align: center;
  padding: 2rem 0;
}

.timer-time {
  font-family: var(--font-display);
  font-size: 10rem;
  line-height: 1;
  letter-spacing: 0.05em;
  transition: color 0.3s, text-shadow 0.3s;
}

.timer-time.mega {
  font-size: 18rem;
}

@media (max-width: 800px) {
  .timer-time {
    font-size: 6rem;
  }
  .timer-time.mega {
    font-size: 10rem;
  }
}

@media (max-width: 500px) {
  .timer-time {
    font-size: 4rem;
  }
  .timer-time.mega {
    font-size: 6rem;
  }
}

/* Phase Indicator */
.phase-indicator {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: var(--phosphor-dim);
}

.phase-indicator.active {
  color: var(--phosphor-green);
}

/* Critical Time Animation */
@keyframes critical-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.02);
    opacity: 0.9;
  }
}

.timer-time.critical {
  animation: critical-pulse 0.5s infinite;
}

/* Forms */
.terminal-form {
  max-width: 400px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  color: var(--phosphor-dim);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-input {
  width: 100%;
  padding: 1rem;
  background: var(--bg-dark);
  border: 2px solid var(--phosphor-dim);
  color: var(--phosphor-green);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-align: center;
}

.form-input:focus {
  outline: none;
  border-color: var(--phosphor-green);
  box-shadow: 0 0 10px var(--phosphor-glow);
}

.form-input::placeholder {
  color: var(--text-dim);
}

/* Buttons */
.btn {
  padding: 1rem 2rem;
  background: transparent;
  border: 2px solid var(--phosphor-green);
  color: var(--phosphor-green);
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover {
  background: var(--phosphor-green);
  color: var(--bg-black);
  box-shadow: 0 0 20px var(--phosphor-glow);
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn:disabled:hover {
  background: transparent;
  color: var(--phosphor-green);
  box-shadow: none;
}

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-warning {
  border-color: var(--warning-amber);
  color: var(--warning-amber);
}

.btn-warning:hover {
  background: var(--warning-amber);
  color: var(--bg-black);
  box-shadow: 0 0 20px var(--warning-glow);
}

.btn-danger {
  border-color: var(--critical-red);
  color: var(--critical-red);
}

.btn-danger:hover {
  background: var(--critical-red);
  color: var(--bg-black);
  box-shadow: 0 0 20px var(--critical-glow);
}

/* Session Info Box */
.session-box {
  background: rgba(51, 255, 51, 0.05);
  border: 1px solid var(--phosphor-dim);
  padding: 1.5rem;
  margin: 2rem 0;
  text-align: center;
}

.session-label {
  font-size: 0.75rem;
  color: var(--phosphor-dim);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.session-token {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.2em;
}

.invite-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--phosphor-dim);
  word-break: break-all;
  margin-top: 1rem;
  padding: 0.5rem;
  background: var(--bg-black);
  border: 1px dashed var(--text-dim);
}

/* Phase Toggle */
.phase-toggle {
  display: flex;
  gap: 0;
  margin: 1.5rem 0;
}

.phase-btn {
  flex: 1;
  padding: 0.75rem;
  background: transparent;
  border: 1px solid var(--phosphor-dim);
  color: var(--phosphor-dim);
  font-family: var(--font-display);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
}

.phase-btn:first-child {
  border-right: none;
}

.phase-btn.active {
  border-color: var(--phosphor-green);
  color: var(--phosphor-green);
  background: rgba(51, 255, 51, 0.1);
}

.phase-btn:hover:not(.active) {
  border-color: var(--phosphor-green);
  color: var(--phosphor-green);
}

/* Status Indicators */
.status-bar {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 1.5rem 0;
  font-size: 0.875rem;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--phosphor-dim);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--phosphor-dim);
}

.status-dot.connected {
  background: var(--phosphor-green);
  animation: pulse 2s infinite;
}

.status-dot.running {
  background: var(--phosphor-green);
  animation: pulse 1s infinite;
}

.status-dot.paused {
  background: var(--warning-amber);
  animation: blink 0.75s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

/* Centered Layout */
.center-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  text-align: center;
}

/* Times Up Display */
.times-up {
  font-family: var(--font-display);
  font-size: 6rem;
  letter-spacing: 0.1em;
  animation: critical-pulse 0.5s infinite;
}

@media (max-width: 500px) {
  .times-up {
    font-size: 3rem;
  }
}

/* Connection Status Footer */
.connection-status {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--phosphor-dim);
  z-index: 100;
}

/* Copy Button */
.copy-btn {
  background: none;
  border: 1px solid var(--phosphor-dim);
  color: var(--phosphor-dim);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1rem;
  padding: 0.5rem 1rem;
  transition: all 0.2s;
  margin-top: 1rem;
}

.copy-btn:hover {
  border-color: var(--phosphor-green);
  color: var(--phosphor-green);
}

.copy-btn.copied {
  border-color: var(--phosphor-green);
  color: var(--phosphor-green);
}

/* Error Messages */
.error-message {
  color: var(--critical-red);
  font-size: 0.875rem;
  margin-top: 1rem;
}

/* Utility */
.hidden {
  display: none !important;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.text-center { text-align: center; }
.text-dim { color: var(--phosphor-dim); }