/* ========================================
   布局与组件样式 - 彭博终端风格
   ======================================== */

/* ========== 导航及终端顶栏 ========== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  background: rgba(2, 2, 2, 0.96);
  border-bottom: 1px solid var(--terminal-gridline);
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(18px);
  z-index: var(--z-nav);
}

.terminal-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  padding: var(--spacing-sm) var(--container-padding);
  border-bottom: 1px solid var(--terminal-gridline);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.terminal-status-bar .status-brand {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.terminal-status-bar .status-meta {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  align-items: center;
}

.terminal-status-bar .status-meta span::before {
  content: attr(data-label);
  color: var(--color-text-light);
  margin-right: var(--spacing-xs);
}

.terminal-status-bar .status-shortcuts {
  color: var(--color-accent-blue);
  white-space: nowrap;
}

.terminal-ticker {
  position: relative;
  overflow: hidden;
  height: var(--ticker-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--terminal-gridline);
  background: #040506;
}

.ticker-track {
  display: flex;
  gap: var(--spacing-3xl);
  animation: ticker-scroll 32s linear infinite;
  will-change: transform;
}

.ticker-item {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-medium);
  display: flex;
  gap: var(--spacing-lg);
  align-items: baseline;
  min-width: max-content;
}

.ticker-symbol {
  color: var(--color-primary);
}

.ticker-value {
  color: var(--color-text-dark);
}

.ticker-change.up { color: var(--color-accent-green); }
.ticker-change.down { color: var(--color-accent-red); }

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--container-padding);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  letter-spacing: 0.2em;
}

.navbar-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-item {
  position: relative;
}

.navbar-link {
  padding: var(--spacing-sm) var(--spacing-xl);
  color: var(--color-text-light);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.navbar-link:hover,
.navbar-link:focus {
  color: var(--color-primary);
  border-color: var(--terminal-border-muted);
}

.navbar .navbar-item.active .navbar-link,
.navbar-link.active {
  color: var(--color-primary);
  border-color: var(--terminal-border);
}

.navbar-toggle {
  display: none;
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--terminal-border-muted);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  left: 0;
  background: #08090c;
  border: 1px solid var(--terminal-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm) 0;
  min-width: 220px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-base);
  z-index: var(--z-dropdown);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: var(--spacing-md) var(--spacing-xl);
  color: var(--color-text-medium);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.15em;
}

.dropdown-item:hover {
  color: var(--color-primary);
  background: rgba(255, 191, 0, 0.08);
}

/* ========== 主体区域 ========== */

main {
  padding-top: calc(var(--nav-offset, 210px));
  position: relative;
  z-index: 2;
}

.is-home main {
  padding-top: calc(var(--nav-offset, 210px) + var(--spacing-2xl));
}

.terminal-grid {
  display: grid;
  width: 100%;
  gap: var(--grid-gap);
}

.terminal-window,
.terminal-panel,
.page-section,
.page-header,
.cta-section {
  position: relative;
  background: var(--terminal-panel);
  border: 1px solid var(--terminal-border-muted);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  padding: calc(var(--spacing-3xl) + 32px) var(--spacing-3xl) var(--spacing-3xl);
  overflow: hidden;
}

.terminal-window::before,
.page-section::before,
.page-header::before,
.cta-section::before {
  content: attr(data-panel);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 36px;
  padding: 0 var(--spacing-2xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--terminal-panel-alt);
  border-bottom: 1px solid var(--terminal-border-muted);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.terminal-window::after,
.page-section::after,
.page-header::after,
.cta-section::after {
  content: '● ● ●';
  color: rgba(255, 255, 255, 0.15);
  font-family: var(--font-family-mono);
  font-size: 12px;
  letter-spacing: 0.4em;
  position: absolute;
  top: 0;
  right: var(--spacing-2xl);
  height: 36px;
  display: flex;
  align-items: center;
}

.terminal-window[data-panel='']::before,
.page-section[data-panel='']::before,
.page-header[data-panel='']::before,
.cta-section[data-panel='']::before {
  content: 'ZYD TERMINAL';
}

.terminal-window {
  min-height: 280px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.terminal-window:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.terminal-window.is-maximized {
  grid-column: 1 / -1;
}

.page-section,
.page-header,
.cta-section {
  margin: var(--spacing-3xl) auto;
  padding-left: 0;
  padding-right: 0;
}

.page-section > .container,
.page-header > .container,
.cta-section > .container {
  padding: 0 var(--container-padding);
}

.page-header h1 {
  font-size: var(--font-size-3xl);
}

.breadcrumb {
  display: flex;
  gap: var(--spacing-sm);
  list-style: none;
  padding: 0;
  font-family: var(--font-family-mono);
}

.breadcrumb-item {
  color: var(--color-text-light);
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  margin-right: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.2);
}

.breadcrumb-item a { color: var(--color-primary); }

/* ========== 页脚 ========== */

footer {
  background: #030304;
  border-top: 1px solid var(--terminal-border);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  margin-top: var(--spacing-4xl);
}

.footer-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-3xl);
}

.footer-section h4 {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  letter-spacing: 0.2em;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section li,
.footer-section a {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  letter-spacing: 0.05em;
}

.footer-divider {
  margin: var(--spacing-3xl) 0;
  height: 1px;
  background: var(--terminal-gridline);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social a {
  width: 32px;
  height: 32px;
  border: 1px solid var(--terminal-border);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ========== 命令行控制台 ========== */

.terminal-console {
  max-width: var(--container-max-width);
  margin: var(--spacing-4xl) auto 0;
  padding: var(--spacing-3xl);
  background: #050607;
  border: 1px solid var(--terminal-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.terminal-console .console-header {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.console-log {
  height: 180px;
  overflow-y: auto;
  border: 1px solid var(--terminal-border-muted);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  background: rgba(0, 0, 0, 0.35);
}

.console-line {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-medium);
}

.console-line.success { color: var(--color-accent-green); }
.console-line.error { color: var(--color-accent-red); }

.console-form {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  border: 1px solid var(--terminal-border);
  background: rgba(255, 255, 255, 0.02);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-family-mono);
}

.console-form .prompt {
  color: var(--color-primary);
  letter-spacing: 0.2em;
}

.console-form input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--color-text-dark);
  font-family: inherit;
  font-size: var(--font-size-sm);
  outline: none;
}

.console-form button {
  border-color: var(--terminal-border-muted);
  color: var(--color-text-light);
}

/* ========== 响应式 ========== */

@media (max-width: 991px) {
  .navbar-container {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }

  .navbar-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .navbar-menu {
    flex-direction: column;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid var(--terminal-gridline);
    transition: max-height var(--transition-base);
  }

  .navbar-menu.active {
    max-height: 600px;
  }

  .navbar-item {
    width: 100%;
  }

  .navbar-link {
    display: block;
    width: 100%;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 0;
  }

  .terminal-status-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .terminal-ticker { display: none; }
}

@media (max-width: 575px) {
  .terminal-window,
  .page-section,
  .page-header,
  .cta-section {
    padding: calc(var(--spacing-2xl) + 32px) var(--spacing-xl) var(--spacing-2xl);
  }

  .terminal-window::before,
  .page-section::before,
  .page-header::before,
  .cta-section::before,
  .terminal-window::after,
  .page-section::after,
  .page-header::after,
  .cta-section::after {
    padding: 0 var(--spacing-xl);
  }
}