/* Clicker Web Flasher — Industrial Design System */

:root {
  --bg-canvas: #09090b;
  --bg-surface: rgba(18, 18, 20, 0.75);
  --bg-surface-elevated: rgba(24, 24, 27, 0.8);
  --bg-card: rgba(24, 24, 27, 0.55);
  --bg-card-hover: rgba(39, 39, 42, 0.65);
  --bg-inset: #121214;
  
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-default: rgba(63, 63, 70, 0.45);
  --border-strong: rgba(113, 113, 122, 0.6);
  --border-accent: rgba(255, 255, 255, 0.35);

  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.2);
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-blue: #38bdf8;
  
  --font-display: 'Rajdhani', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-sans: 'Rajdhani', 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 12px 36px rgba(0, 0, 0, 0.6);
  --shadow-btn: 0 0 24px rgba(255, 255, 255, 0.12);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image: radial-gradient(#27272a 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
  font-size: 1.05rem;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 400px;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(255, 255, 255, 0.05), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 2.75rem;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(24, 24, 27, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.brand-badge:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.brand-badge .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-dot 2.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.title {
  font-family: var(--font-display);
  font-size: 3.1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.subtitle {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Main Grid */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
  margin-bottom: 2.5rem;
}

@media (max-width: 820px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
}

/* Glass Card */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--border-strong);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.35rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-primary);
}

.card-title svg {
  color: var(--text-secondary);
}

.card-tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Browser Status Badge */
.browser-status {
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  font-weight: 600;
  margin-bottom: 1.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.browser-status.supported {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.browser-status.unsupported {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

.select-wrapper {
  position: relative;
}

.select-custom {
  width: 100%;
  background: var(--bg-inset);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 1.05rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  appearance: none;
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
}

.select-custom:focus {
  border-color: #ffffff;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.select-arrow {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
}

/* Version Meta Grid */
.version-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}

.meta-box {
  background: var(--bg-inset);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
}

.meta-label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}

.meta-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* Options Box */
.options-box {
  background: var(--bg-inset);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.35rem;
  font-size: 0.95rem;
}

.options-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--text-secondary);
  line-height: 1.4;
  font-family: var(--font-sans);
}

.options-list strong {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

/* Main CTA Button */
.flasher-action {
  margin-top: 0.5rem;
}

.btn-primary {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 1px solid #ffffff;
  color: #09090b;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  background: #f4f4f5;
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(255, 255, 255, 0.25);
}

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

/* Guide Card */
.steps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.step-item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-inset);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-content h5 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.step-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.45;
  font-family: var(--font-sans);
}

.tip-box {
  margin-top: 1.5rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.45;
  font-family: var(--font-sans);
}

.tip-box strong {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

/* Notice Box */
.notice-box {
  background: rgba(244, 63, 94, 0.05);
  border: 1px solid rgba(244, 63, 94, 0.25);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.15rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-secondary);
  font-family: var(--font-sans);
}

.notice-box strong {
  color: #fb7185;
  font-weight: 700;
}

.notice-box code {
  font-family: var(--font-mono);
  background: rgba(244, 63, 94, 0.1);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  color: #ffffff;
  font-size: 0.88rem;
}

/* Fallback Grid & Clean List Cards */
.fallback-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.fallback-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s, background-color 0.2s;
}

.fallback-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.fallback-card-header {
  margin-bottom: 0.45rem;
}

.fallback-card-header h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.fallback-body p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
}

.code-box {
  position: relative;
  background: var(--bg-inset);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  margin: 0.4rem 0 0.5rem;
}

.code-box pre {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #e4e4e7;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.btn-copy {
  position: absolute;
  right: 0.4rem;
  top: 0.4rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-download:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
}

/* Releases Table */
.section-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-family: var(--font-sans);
}

.releases-table-wrapper {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 2.5rem;
}

.releases-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  text-align: left;
}

.releases-table th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-default);
}

.releases-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.releases-table tr:last-child td {
  border-bottom: none;
}

.tag-badge {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  background: var(--bg-inset);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-default);
}

.tag-badge.latest {
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
}

/* Footer */
.footer {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}