/* NAVIGATION — editor title bar */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: color-mix(in srgb, var(--bg-2) 85%, transparent);
  border-bottom: 1px solid var(--border);
  transition:
    background 0.3s,
    border-color 0.3s;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* traffic-light window dots */
.win-dots {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-right: 0.25rem;
}
.win-dots i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: block;
}
.win-dots i:nth-child(1) {
  background: #f38ba8;
}
.win-dots i:nth-child(2) {
  background: #f9e2af;
}
.win-dots i:nth-child(3) {
  background: #a6e3a1;
}
[data-theme="light"] .win-dots i:nth-child(1) {
  background: #d20f39;
}
[data-theme="light"] .win-dots i:nth-child(2) {
  background: #df8e1d;
}
[data-theme="light"] .win-dots i:nth-child(3) {
  background: #40a02b;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text-subtle);
  cursor: pointer;
}

.nav-logo::before {
  content: "~/";
  color: var(--text-muted);
}

.accent-dot {
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-muted);
  transition:
    color var(--transition),
    background var(--transition);
  position: relative;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
}

.nav-links a::before {
  content: "";
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0.7rem;
  right: 0.7rem;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover {
  color: var(--text);
  background: var(--bg-card);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-links a.active {
  color: var(--text);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#lang-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all var(--transition);
}

#lang-toggle:hover {
  color: var(--accent);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

#theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: all var(--transition);
}

#theme-toggle:hover {
  color: var(--accent);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.icon-moon {
  display: block;
}
.icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon {
  display: none;
}
[data-theme="light"] .icon-sun {
  display: block;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  background: var(--bg-2);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
}

.footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer .nav-logo {
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a::before {
  content: "~/";
  color: var(--surface);
}

.footer-links a:hover {
  color: var(--accent);
}

/* MARQUEE — terminal ticker */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0;
  background: var(--bg-2);
  user-select: none;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: max-content;
  animation: marqueeScroll 32s linear infinite;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-subtle);
  white-space: nowrap;
  padding-left: 1.5rem;
}

.m-sep {
  color: var(--accent);
  opacity: 0.5;
  font-size: 0.7rem;
}

@keyframes marqueeScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}