/* Industrial Steampunk Aesthetic - ESP32 Firmware Flasher */

:root {
  /* Base colors - dark circuit board */
  --bg-primary: #0a0e12;
  --bg-secondary: #151b23;
  --bg-card: #1a2332;

  /* Accent colors - copper traces & solder */
  --copper: #d4722b;
  --copper-light: #e89058;
  --copper-dark: #a85a22;

  /* Secondary accents - green PCB & gold contacts */
  --pcb-green: #2d5e3f;
  --gold-contact: #d4af37;
  --solder-silver: #c0c5ce;

  /* Status colors */
  --status-ready: #4ea05e;
  --status-active: #5b9bd5;
  --status-error: #e74c3c;
  --status-success: #2ecc71;
  --status-warning: #f39c12;

  /* Text */
  --text-primary: #e8eaed;
  --text-secondary: #9da5b4;
  --text-dim: #6c7a89;
}

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

body {
  font-family: 'IBM Plex Mono', 'Courier Prime', 'Courier New', monospace;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Circuit board background pattern */
.circuit-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 50%, rgba(45, 94, 63, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(212, 114, 43, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);

  /* Circuit trace pattern */
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(212, 175, 55, 0.02) 2px, rgba(212, 175, 55, 0.02) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(212, 175, 55, 0.02) 2px, rgba(212, 175, 55, 0.02) 4px);
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header Styles */
header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0;
}

header h1 {
  font-family: 'Share Tech Mono', monospace;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  text-shadow: 0 0 20px rgba(212, 114, 43, 0.3);
}

.subtitle {
  font-size: 1rem;
  color: var(--copper-light);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 400;
}

/* Main Layout */
main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (min-width: 900px) {
  main {
    grid-template-columns: 1fr 1fr;
  }

  .flash-interface {
    grid-column: span 2;
  }
}

/* Card Styles */
.card {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(21, 27, 35, 0.8) 100%);
  border: 2px solid rgba(212, 114, 43, 0.3);
  border-radius: 8px;
  padding: 2rem;
  box-shadow:
    0 4px 6px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  animation: cardSlideIn 0.6s ease-out;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--copper-light), transparent);
  opacity: 0.5;
}

@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card h2 {
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--copper-light);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid rgba(212, 114, 43, 0.2);
  padding-bottom: 0.5rem;
}

/* Project Selector */
.select-container {
  position: relative;
  display: block;
  width: 100%;
  margin-bottom: 1.5rem;
}

.select-container select {
  width: 100%;
  padding: 14px 40px 14px 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--copper);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
  appearance: none;
  transition: all 0.3s ease;
  outline: none;
}

.select-container select:hover {
  border-color: var(--copper-light);
  background: rgba(21, 27, 35, 0.9);
}

.select-container select:focus {
  border-color: var(--copper-light);
  box-shadow: 0 0 0 3px rgba(212, 114, 43, 0.2);
}

.select-container select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.select-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--copper);
  pointer-events: none;
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.select-container:hover .select-arrow {
  transform: translateY(-50%) scale(1.2);
  color: var(--copper-light);
}

/* Project Info Display */
.project-info {
  background: rgba(10, 14, 18, 0.5);
  border: 1px solid rgba(212, 114, 43, 0.2);
  border-radius: 4px;
  padding: 1rem;
  margin-top: 1rem;
}

.project-info.hidden {
  display: none;
}

.project-info:not(.hidden) {
  animation: fadeSlideDown 0.4s ease-out;
}

@keyframes fadeSlideDown {
  from {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    max-height: 300px;
    padding-top: 1rem;
    padding-bottom: 1rem;
    transform: translateY(0);
  }
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-row:last-of-type {
  border-bottom: none;
}

.info-row .label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.info-row .value {
  color: var(--text-primary);
  font-weight: 500;
}

.description {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.description.hidden {
  display: none;
}

/* Flash Interface */
.instructions {
  background: rgba(10, 14, 18, 0.3);
  border-left: 3px solid var(--copper);
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
}

.instructions ol {
  margin-left: 1.2rem;
  color: var(--text-secondary);
}

.instructions li {
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
}

/* Flash Controls */
.flash-controls {
  text-align: center;
  margin: 2rem 0;
}

.flash-button {
  position: relative;
  padding: 18px 48px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--copper) 0%, var(--copper-dark) 100%);
  border: none;
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.2),
    0 4px 8px rgba(0, 0, 0, 0.3),
    0 0 0 0 rgba(212, 114, 43, 0);
}

.flash-button:not(:disabled):hover {
  background: linear-gradient(135deg, var(--copper-light) 0%, var(--copper) 100%);
  transform: translateY(-2px);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.3),
    0 8px 16px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(212, 114, 43, 0.4);
}

.flash-button:not(:disabled):active {
  transform: translateY(0);
  box-shadow:
    inset 0 -1px 0 rgba(255, 255, 255, 0.1),
    0 2px 4px rgba(0, 0, 0, 0.3);
}

.flash-button:disabled {
  background: var(--bg-secondary);
  color: var(--text-dim);
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
}

.error-message {
  display: block;
  color: var(--status-error);
  font-size: 0.9rem;
  padding: 1rem;
  margin-top: 1rem;
}

/* Status Display */
.status-display {
  background: #0a0e0a;
  border: 2px solid var(--pcb-green);
  border-radius: 4px;
  padding: 1.5rem;
  margin-top: 2rem;
}

.status-header {
  color: var(--pcb-green);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.status-content {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  padding: 0.5rem;
}

.status-indicator {
  font-size: 1.5rem;
  line-height: 1;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.indicator-ready { color: var(--solder-silver); }
.indicator-active {
  color: var(--status-active);
  animation: pulse 1s ease-in-out infinite;
}
.indicator-success { color: var(--status-success); }
.indicator-error {
  color: var(--status-error);
  animation: none;
}
.indicator-warning { color: var(--status-warning); }

.status-text {
  color: var(--text-primary);
  flex: 1;
}

/* Status state classes */
.status-content.status-ready {
  border-left: 4px solid var(--solder-silver);
}

.status-content.status-active {
  border-left: 4px solid var(--status-active);
  background: rgba(91, 155, 213, 0.05);
}

.status-content.status-success {
  border-left: 4px solid var(--status-success);
  background: rgba(46, 204, 113, 0.05);
}

.status-content.status-error {
  border-left: 4px solid var(--status-error);
  background: rgba(231, 76, 60, 0.05);
}

.status-content.status-warning {
  border-left: 4px solid var(--status-warning);
  background: rgba(243, 156, 18, 0.05);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

footer a {
  color: var(--copper);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--copper-light);
  text-decoration: underline;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  #app {
    padding: 1rem;
  }

  header {
    margin-bottom: 2rem;
    padding: 1rem 0;
  }

  header h1 {
    font-size: clamp(1.5rem, 7vw, 2.5rem);
  }

  .subtitle {
    font-size: 0.8rem;
  }

  .card {
    padding: 1.5rem;
  }

  .card h2 {
    font-size: 1.2rem;
  }

  .flash-button {
    padding: 14px 32px;
    font-size: 1rem;
  }

  main {
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  #app {
    padding: 0.75rem;
  }

  header h1 {
    font-size: clamp(1.2rem, 8vw, 2rem);
  }

  .card {
    padding: 1rem;
  }

  .flash-button {
    padding: 12px 24px;
    font-size: 0.9rem;
    width: 100%;
  }

  .instructions {
    padding: 0.75rem 1rem;
  }
}

/* Print Styles */
@media print {
  .circuit-background,
  .flash-controls,
  footer {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    border: 1px solid #ccc;
    box-shadow: none;
  }
}