/* Polyphony Website — Custom Styles */

/* ===== Theme Variables ===== */
:root {
  --bg: #f8f9fa;
  --bg-card: #ffffff;
  --bg-elevated: #f0f0f5;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #6b7280;
  --border: rgba(0, 0, 0, 0.1);
  --border-subtle: rgba(0, 0, 0, 0.05);
  --terminal-bg: #1e1e2e;
  --terminal-border: rgba(0, 0, 0, 0.15);
  --terminal-titlebar: rgba(0, 0, 0, 0.05);
  --glass-bg: rgba(0, 0, 0, 0.03);
  --glass-border: rgba(0, 0, 0, 0.08);
  --nav-scrolled: rgba(248, 249, 250, 0.9);
  --shadow-terminal: 0 0 0 1px rgba(124, 58, 237, 0.08), 0 20px 60px rgba(0, 0, 0, 0.1), 0 0 120px rgba(124, 58, 237, 0.03);
  --icon-invert: 0;
  --scrollbar-track: #f0f0f5;
  --scrollbar-thumb: #c4c4d4;
  --scrollbar-thumb-hover: #a4a4b4;
}

.dark {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-elevated: #1a1a2e;
  --text-primary: #e5e5ef;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --terminal-bg: #12121a;
  --terminal-border: rgba(255, 255, 255, 0.08);
  --terminal-titlebar: rgba(255, 255, 255, 0.03);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --nav-scrolled: rgba(10, 10, 15, 0.9);
  --shadow-terminal: 0 0 0 1px rgba(124, 58, 237, 0.1), 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 120px rgba(124, 58, 237, 0.05);
  --icon-invert: 1;
  --scrollbar-track: #0a0a0f;
  --scrollbar-thumb: #2a2a3e;
  --scrollbar-thumb-hover: #3a3a5e;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* Scroll animation base states */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
[data-animate-stagger] > [data-animate]:nth-child(1) { transition-delay: 0ms; }
[data-animate-stagger] > [data-animate]:nth-child(2) { transition-delay: 100ms; }
[data-animate-stagger] > [data-animate]:nth-child(3) { transition-delay: 200ms; }
[data-animate-stagger] > [data-animate]:nth-child(4) { transition-delay: 300ms; }
[data-animate-stagger] > [data-animate]:nth-child(5) { transition-delay: 400ms; }
[data-animate-stagger] > [data-animate]:nth-child(6) { transition-delay: 500ms; }

/* Terminal typing cursor */
.typing-cursor {
  display: inline-block;
  width: 8px;
  height: 18px;
  background: #7c3aed;
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

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

/* Terminal window chrome */
.terminal-chrome {
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-terminal);
  transition: background-color 0.3s ease, border-color 0.3s ease;
  color: #e0e0e5;
}

.terminal-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--terminal-titlebar);
  border-bottom: 1px solid var(--border-subtle);
}

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

/* Glass card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.05);
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, #a78bfa 0%, #7c3aed 50%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero background */
.hero-bg {
  background-color: var(--bg);
  transition: background-color 0.3s ease;
}
.dark .hero-bg {
  background-image: url('assets/hero-bg.svg');
  background-size: cover;
  background-position: center;
}

/* Glow effects */
.glow-accent {
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.15);
}

/* Nav transition */
.nav-scrolled {
  background: var(--nav-scrolled) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

/* Timeline connector */
.timeline-connector {
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: -24px;
  width: 2px;
  background: linear-gradient(to bottom, #7c3aed, rgba(124, 58, 237, 0.1));
}

/* Integration logo grid hover */
.integration-icon {
  transition: transform 0.2s ease, opacity 0.2s ease;
  opacity: 0.6;
}
.integration-icon:hover {
  transform: scale(1.1);
  opacity: 1;
}

/* Icon inversion for dark mode */
.icon-auto-invert {
  filter: invert(var(--icon-invert));
  opacity: 0.8;
}

/* TUI tab active state */
.tui-tab {
  cursor: pointer;
  user-select: none;
}

/* TUI row click hint */
.tui-row {
  user-select: none;
}

/* Copy button feedback */
.copy-btn.copied {
  color: #22c55e !important;
}

/* Braille spinner */
@keyframes braille-spin {
  0%   { content: '⠋'; }
  10%  { content: '⠙'; }
  20%  { content: '⠹'; }
  30%  { content: '⠸'; }
  40%  { content: '⠼'; }
  50%  { content: '⠴'; }
  60%  { content: '⠦'; }
  70%  { content: '⠧'; }
  80%  { content: '⠇'; }
  90%  { content: '⠏'; }
}

.spinner::before {
  animation: braille-spin 0.8s linear infinite;
  content: '⠋';
}

/* Screenshot placeholder */
.screenshot-placeholder {
  position: relative;
}

.screenshot-placeholder img {
  display: block;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(124, 58, 237, 0.05);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.screenshot-placeholder:hover img {
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.2);
}

/* Theme transition for all themed elements */
body, .terminal-chrome, .glass-card, nav {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}