/* ============================================================
   EvilCrow RF V2 — Web Flasher Stylesheet
   Dark hacker / cyberpunk theme with red accents
   ============================================================ */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&family=Inter:wght@400;500;600;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #111118;
  --bg-card:       #16161e;
  --bg-terminal:   #1a1a24;
  --text-primary:  #e0e0e8;
  --text-secondary:#8888a0;
  --accent-red:    #ff1a1a;
  --accent-red-dim:#991111;
  --accent-glow:   #ff3333;
  --border-color:  #2a2a3a;
  --success:       #00ff66;
  --warning:       #ffaa00;
  --error:         #ff3344;
  --terminal-green:#00ff66;
  --terminal-bg:   #1e1e2a;
}

/* ---------- Reset ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---------- Scanline overlay ---------- */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ---------- Banner / Hero Section ---------- */
.hero {
  position: relative;
  width: 100%;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 40px 20px 30px;
}

.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: brightness(0.4) contrast(1.3);
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(
    180deg,
    rgba(10,10,15,0.2) 0%,
    rgba(10,10,15,0.6) 60%,
    rgba(10,10,15,1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

/* ---------- Logo animation ---------- */
.logo-container {
  margin-bottom: 16px;
  animation: logoFloat 4s ease-in-out infinite;
}

.logo-container img {
  width: 120px;
  height: 120px;
  border-radius: 22px;
  border: 2px solid var(--accent-red-dim);
  box-shadow:
    0 0 20px rgba(255,26,26,0.3),
    0 0 60px rgba(255,26,26,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.logo-container img:hover {
  transform: scale(1.08);
  box-shadow:
    0 0 30px rgba(255,26,26,0.5),
    0 0 80px rgba(255,26,26,0.2);
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* ---------- Title with "V2" lightning ---------- */
.hero-title {
  font-family: 'Orbitron', monospace;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 6px;
  text-shadow: 0 0 10px rgba(255,255,255,0.1);
}

.hero-title .v2-text {
  display: inline-block;
  color: var(--accent-red);
  font-size: 3.4rem;
  font-weight: 900;
  position: relative;
  text-shadow:
    0 0 10px var(--accent-glow),
    0 0 20px var(--accent-glow),
    0 0 40px var(--accent-red),
    0 0 80px var(--accent-red-dim);
  animation: lightningFlicker 2.5s infinite;
  /* Scratched / distressed look via text-stroke */
  -webkit-text-stroke: 1px rgba(255,100,100,0.4);
  filter: url(#scratched);
}

/* Lightning / flicker keyframes */
@keyframes lightningFlicker {
  0%   { opacity: 1;    text-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow), 0 0 40px var(--accent-red), 0 0 80px var(--accent-red-dim); }
  5%   { opacity: 0.4;  text-shadow: none; }
  6%   { opacity: 1;    text-shadow: 0 0 10px var(--accent-glow), 0 0 30px var(--accent-red); }
  8%   { opacity: 0.6;  text-shadow: 0 0 5px var(--accent-red); }
  10%  { opacity: 1;    text-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow), 0 0 40px var(--accent-red), 0 0 80px var(--accent-red-dim); }
  50%  { opacity: 1;    text-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow), 0 0 40px var(--accent-red), 0 0 80px var(--accent-red-dim); }
  52%  { opacity: 0.3;  text-shadow: none; }
  53%  { opacity: 1;    text-shadow: 0 0 15px var(--accent-glow), 0 0 30px var(--accent-red), 0 0 60px var(--accent-red-dim); }
  100% { opacity: 1;    text-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow), 0 0 40px var(--accent-red), 0 0 80px var(--accent-red-dim); }
}

.hero-subtitle {
  font-family: 'Share Tech Mono', monospace;
  font-size: 1rem;
  color: var(--text-secondary);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

/* ---------- Hero action buttons ---------- */
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

/* Primary: Flash Firmware */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-red), #cc0000);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,26,26,0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ff3333, var(--accent-red));
  box-shadow: 0 6px 30px rgba(255,26,26,0.5);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary buttons */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
  box-shadow: 0 0 15px rgba(255,26,26,0.15);
  transform: translateY(-2px);
}

.btn-github {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-github:hover {
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-donate {
  background: transparent;
  color: #ff5e5b;
  border: 1px solid #ff5e5b44;
}

.btn-donate:hover {
  background: #ff5e5b15;
  border-color: #ff5e5b;
  transform: translateY(-2px);
}

/* ---------- Container ---------- */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Sections ---------- */
.section {
  padding: 50px 0;
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title .icon {
  font-size: 1.6rem;
}

/* ---------- Flash Panel ---------- */
.flash-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}

.flash-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
}

/* ---------- Version Selector ---------- */
.version-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.version-row label {
  font-family: 'Share Tech Mono', monospace;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  min-width: 120px;
}

.version-select {
  flex: 1;
  min-width: 200px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.3s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.version-select:hover,
.version-select:focus {
  border-color: var(--accent-red);
  outline: none;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--accent-red);
  color: #fff;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  animation: pulseBadge 2s ease-in-out infinite;
}

@keyframes pulseBadge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,26,26,0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(255,26,26,0); }
}

/* ---------- ESP Web Install Button override ---------- */
esp-web-install-button {
  --esp-tools-button-color: var(--accent-red);
  --esp-tools-button-text-color: #fff;
  --esp-tools-button-border-radius: 6px;
  display: inline-block;
}

.flash-btn-wrap {
  text-align: center;
  margin-top: 20px;
}

.flash-btn-wrap button[slot="activate"] {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-red), #cc0000);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 4px 25px rgba(255,26,26,0.35);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.flash-btn-wrap button[slot="activate"]:hover {
  background: linear-gradient(135deg, #ff3333, var(--accent-red));
  box-shadow: 0 6px 35px rgba(255,26,26,0.55);
  transform: translateY(-2px);
}

.flash-btn-wrap button[slot="activate"]::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(transparent, rgba(255,255,255,0.1), transparent 30%);
  animation: spinGlow 3s linear infinite;
}

@keyframes spinGlow {
  100% { transform: rotate(360deg); }
}

.flash-btn-wrap span[slot="unsupported"],
.flash-btn-wrap span[slot="not-allowed"] {
  display: block;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--warning);
  border-radius: 8px;
  color: var(--warning);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
  text-align: center;
}

/* ---------- Instructions Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.step {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
  animation: stepFadeIn 0.6s ease forwards;
}

.step:nth-child(1) { animation-delay: 0.1s; }
.step:nth-child(2) { animation-delay: 0.3s; }
.step:nth-child(3) { animation-delay: 0.5s; }
.step:nth-child(4) { animation-delay: 0.7s; }

@keyframes stepFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

.step:hover {
  border-color: var(--accent-red);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(255,26,26,0.1);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-red);
  color: #fff;
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 10px;
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  display: block;
}

.step-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---------- macOS Terminal ---------- */
.terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 30px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

.terminal-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #252530;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red    { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green  { background: #28c840; }

.terminal-title {
  flex: 1;
  text-align: center;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

.terminal-body {
  padding: 16px;
  min-height: 180px;
  max-height: 320px;
  overflow-y: auto;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.7;
}

.terminal-body::-webkit-scrollbar {
  width: 6px;
}

.terminal-body::-webkit-scrollbar-track {
  background: transparent;
}

.terminal-body::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.terminal-line {
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-line.info    { color: var(--terminal-green); }
.terminal-line.warn    { color: var(--warning); }
.terminal-line.error   { color: var(--error); }
.terminal-line.default { color: var(--text-secondary); }
.terminal-line.success { color: var(--success); font-weight: 700; }

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--terminal-green);
  animation: cursorBlink 1s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 4px;
}

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

/* ---------- Changelog ---------- */
.changelog-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  max-height: 400px;
  overflow-y: auto;
}

.changelog-panel::-webkit-scrollbar {
  width: 6px;
}

.changelog-panel::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.changelog-version {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.changelog-version:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.changelog-version-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.changelog-version-tag {
  font-family: 'Share Tech Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-red);
}

.changelog-version-date {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.changelog-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.changelog-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
  min-width: 80px;
  text-align: center;
}

.changelog-badge.feature     { background: #00aa4420; color: #00cc55; border: 1px solid #00aa4444; }
.changelog-badge.fix         { background: #ffaa0020; color: #ffaa00; border: 1px solid #ffaa0044; }
.changelog-badge.improvement { background: #3388ff20; color: #5599ff; border: 1px solid #3388ff44; }

/* ---------- Download Section ---------- */
.download-section {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}

/* ---------- Footer ---------- */
.footer {
  text-align: center;
  padding: 30px 20px;
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.85rem;
  transition: color 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: var(--accent-red);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.6;
  font-family: 'Share Tech Mono', monospace;
}

/* ---------- Status indicator ---------- */
.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-secondary);
}

.status-dot.online  { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.loading { background: var(--warning); animation: pulseDot 1s infinite; }
.status-dot.error   { background: var(--error); }

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

/* ---------- Loading spinner ---------- */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Hidden utility ---------- */
.hidden { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-title .v2-text {
    font-size: 2.2rem;
  }
  .hero {
    min-height: 340px;
    padding: 30px 16px 20px;
  }
  .btn {
    padding: 12px 20px;
    font-size: 0.85rem;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
  }
  .flash-panel {
    padding: 20px;
  }
  .terminal-body {
    font-size: 0.75rem;
    min-height: 140px;
  }
}

@media (max-width: 420px) {
  .steps {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn {
    justify-content: center;
  }
}