/* ========================================
   Material Design 3 Token System
   ======================================== */

:root {
  /* MD3 Color Tokens - Dark Theme (Default) */
  --md-sys-color-background: #141218;
  --md-sys-color-on-background: #e6e1e5;
  --md-sys-color-surface: #141218;
  --md-sys-color-surface-container-low: #1d1b20;
  --md-sys-color-surface-container: #211f26;
  --md-sys-color-surface-container-high: #2b2930;
  --md-sys-color-on-surface: #e6e1e5;
  --md-sys-color-on-surface-variant: #cac4d0;
  --md-sys-color-outline: #938f99;
  --md-sys-color-outline-variant: #49454f;

  --md-sys-color-primary: #d0bcff;
  --md-sys-color-on-primary: #381e72;
  --md-sys-color-primary-container: #4f378b;
  --md-sys-color-on-primary-container: #eaddff;

  --md-sys-color-secondary-container: #4a4458;
  --md-sys-color-on-secondary-container: #e8def8;

  --md-sys-color-tertiary-container: #633b48;
  --md-sys-color-on-tertiary-container: #ffd8e4;

  --md-sys-color-error: #f2b8b5;
  --md-sys-color-error-container: #8c1d18;
  --md-sys-color-on-error-container: #f9dedc;

  --autocomplete-bg: #211f26;

  /* Terminal Colors */
  --terminal-bg: #1d1b20;
  --terminal-text: #e6e1e5;

  /* Typography */
  --md-sys-typescale-font-brand: "Roboto", "Inter", sans-serif;
  --md-sys-typescale-font-plain: "Roboto", "Inter", sans-serif;
  --md-sys-typescale-font-code: "JetBrains Mono", monospace;

  /* Shape */
  --md-sys-shape-corner-small: 8px;
  --md-sys-shape-corner-medium: 12px;
  --md-sys-shape-corner-large: 16px;
  --md-sys-shape-corner-full: 9999px;

  /* Elevation (Shadows) */
  --md-sys-elevation-1: 0px 1px 3px 1px rgba(0, 0, 0, 0.15),
    0px 1px 2px 0px rgba(0, 0, 0, 0.3);
  --md-sys-elevation-2: 0px 2px 6px 2px rgba(0, 0, 0, 0.15),
    0px 1px 2px 0px rgba(0, 0, 0, 0.3);
  --md-sys-elevation-3: 0px 4px 8px 3px rgba(0, 0, 0, 0.15),
    0px 1px 3px 0px rgba(0, 0, 0, 0.3);
}

/* Light Theme Tokens */
/* 1. Manual Override */
:root[data-theme="light"] {
  --terminal-bg: #47475a;
  
  --md-sys-color-background: #fef7ff;
  --md-sys-color-on-background: #1d1b20;
  --md-sys-color-surface: #fef7ff;
  --md-sys-color-surface-container-low: #f7f2fa;
  --md-sys-color-surface-container: #f3edf7;
  --md-sys-color-surface-container-high: #ece6f0;
  --md-sys-color-on-surface: #1d1b20;
  --md-sys-color-on-surface-variant: #49454f;
  --md-sys-color-outline: #79747e;
  --md-sys-color-outline-variant: #cac4d0;

  --md-sys-color-primary: #6750a4;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #eaddff;
  --md-sys-color-on-primary-container: #21005d;

  --md-sys-color-secondary-container: #e8def8;
  --md-sys-color-on-secondary-container: #1d192b;

  --md-sys-color-tertiary-container: #ffd8e4;
  --md-sys-color-on-tertiary-container: #31111d;
  
  --autocomplete-bg: #ffffff;

  --md-sys-color-error: #b3261e;
  --md-sys-color-error-container: #f9dedc;
  --md-sys-color-on-error-container: #410e0b;
}

/* 2. System Default (Light) */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --terminal-bg: #47475a;
    
    --md-sys-color-background: #fef7ff;
    --md-sys-color-on-background: #1d1b20;
    --md-sys-color-surface: #fef7ff;
    --md-sys-color-surface-container-low: #f7f2fa;
    --md-sys-color-surface-container: #f3edf7;
    --md-sys-color-surface-container-high: #ece6f0;
    --md-sys-color-on-surface: #1d1b20;
    --md-sys-color-on-surface-variant: #49454f;
    --md-sys-color-outline: #79747e;
    --md-sys-color-outline-variant: #cac4d0;

    --md-sys-color-primary: #6750a4;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-primary-container: #eaddff;
    --md-sys-color-on-primary-container: #21005d;

    --md-sys-color-secondary-container: #e8def8;
    --md-sys-color-on-secondary-container: #1d192b;

    --md-sys-color-tertiary-container: #ffd8e4;
    --md-sys-color-on-tertiary-container: #31111d;
    
    --autocomplete-bg: #ffffff;

    --md-sys-color-error: #b3261e;
    --md-sys-color-error-container: #f9dedc;
    --md-sys-color-on-error-container: #410e0b;
  }
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
html {
  font-size: 16px;
}
body {
  background-color: var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  font-family: var(--md-sys-typescale-font-plain);
  line-height: 1.5;
  min-height: 100vh;
  transition: background-color 0.3s, color 0.3s;
}
[hidden] {
  display: none !important;
}

/* Layout Scaffold */
.app-scaffold {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 840px; /* MD3 standard width for medium layouts */
  margin: 0 auto;
  padding: 0 16px;
}

/* Top App Bar */
.top-app-bar {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  margin-bottom: 24px;
}
.headline {
  display: flex;
  align-items: center;
  gap: 12px;
}
.headline h1 {
  font-size: 22px;
  font-weight: 500; /* Regular weight for MD3 headlines */
  color: var(--md-sys-color-on-surface);
}
.logo-icon {
  font-size: 28px;
  color: var(--md-sys-color-primary);
}

/* Main Container */
.main-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Cards */
.card {
  background-color: var(--md-sys-color-surface-container-low);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 24px;
  /* MD3 cards usually flat or low elevation */
  border: 1px solid transparent;
}

/* Search Card Elements */
.search-card {
  background-color: var(
    --md-sys-color-surface-container
  ); /* Slightly higher emphasis */
  padding: 24px;
  border-radius: var(--md-sys-shape-corner-large);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.search-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-field {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  background-color: var(--md-sys-color-surface-container-high);
  border-radius: var(--md-sys-shape-corner-full);
  height: 56px;
  padding: 0 16px;
  transition: 0.2s;
}
.search-field:focus-within {
  background-color: var(--md-sys-color-surface-container-high);
  outline: 2px solid var(--md-sys-color-primary);
}
.search-field input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 16px;
  color: var(--md-sys-color-on-surface);
  font-family: inherit;
  padding: 0 12px;
  height: 100%;
}
.search-field input:focus {
  outline: none;
}
.search-field .material-symbols-rounded {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 24px;
}
/* Autocomplete Dropdown */
.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background-color: var(--autocomplete-bg);
  border-radius: var(--md-sys-shape-corner-medium);
  box-shadow: var(--md-sys-elevation-2);
  max-height: 280px;
  overflow-y: auto;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 8px 0;
}
.autocomplete-dropdown[hidden] {
  display: none !important;
}

.autocomplete-item {
  padding: 12px 16px;
  font-size: 15px;
  color: var(--md-sys-color-on-background);
  cursor: pointer;
  background: transparent;
  border: none;
  text-align: left;
  font-family: var(
    --md-sys-typescale-font-code
  ); /* Use monospace for commands */
  transition: background-color 0.1s;
}
.autocomplete-item:hover,
.autocomplete-item.selected {
  background-color: var(--md-sys-color-outline-variant); /* Light grey hover */
}
/* Remove dark theme overrides, force white style always */
.autocomplete-item strong {
  font-weight: 700;
  /* Use MD3 Light Theme Primary (#6750a4) to match theme hue but ensure contrast on white */
  color: #6750a4;
}

/* Buttons */
.search-action-btn {
  height: 56px;
  padding: 0 28px;
  border-radius: var(--md-sys-shape-corner-full);
  font-size: 16px;
  flex-shrink: 0;
}

.fab-extended {
  /* Legacy style removal or keep for reference if needed, but we used filled-btn now */
}
/* FAB Small (Back to Top) */
.fab-small {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--md-sys-elevation-3);
  transition: transform 0.2s, opacity 0.2s;
  z-index: 100;
}
.fab-small:hover {
  filter: brightness(1.05);
  transform: scale(1.05);
}
.fab-small:active {
  transform: scale(0.95);
}
.fab-small[hidden] {
  display: flex !important; /* Override global hidden for animation if needed, but simple hide is better */
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: 0.2s;
}
.icon-btn:hover {
  background-color: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
}

/* Filled Button (for Search) */
.filled-btn {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: 0.2s;
  box-shadow: var(--md-sys-elevation-1);
}
.filled-btn:hover {
  box-shadow: var(--md-sys-elevation-2);
  filter: brightness(1.08);
}
.filled-btn:active {
  box-shadow: var(--md-sys-elevation-1);
}

.tonal-btn {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  height: 40px;
  padding: 0 24px;
  border-radius: var(--md-sys-shape-corner-full);
  border: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: 0.2s;
}
.tonal-btn:hover {
  filter: brightness(0.95);
  box-shadow: var(--md-sys-elevation-1);
}
.tonal-btn.copied {
  background-color: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
}

.text-btn {
  background: transparent;
  color: var(--md-sys-color-primary);
  border: none;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--md-sys-shape-corner-full);
  cursor: pointer;
  font-size: 14px;
}
.text-btn:hover {
  background-color: rgba(208, 188, 255, 0.08); /* Primary opacity */
}

/* Chips */
.chips-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.label {
  font-size: 14px;
  color: var(--md-sys-color-on-surface-variant);
  margin-right: 4px;
}
.chip {
  background-color: transparent;
  border: 1px solid var(--md-sys-color-outline);
  color: var(--md-sys-color-on-surface-variant);
  height: 32px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--md-sys-typescale-font-code);
  cursor: pointer;
  transition: 0.2s;
}
.chip:hover {
  background-color: var(--md-sys-color-surface-container-high);
  border-color: var(--md-sys-color-on-surface-variant);
  color: var(--md-sys-color-on-surface);
}

/* History */
.history-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-header h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
}
.history-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.history-chips .chip {
  background-color: var(--md-sys-color-surface-container);
  border: none;
}

/* Results Card */
.result-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 200px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h2 {
  font-size: 18px;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
}
.code-block {
  background-color: var(--terminal-bg);
  color: var(--terminal-text);
  padding: 16px;
  border-radius: var(--md-sys-shape-corner-small);
  font-family: var(--md-sys-typescale-font-code);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  min-height: 100px;
}

/* Loading & Error */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px;
  color: var(--md-sys-color-on-surface-variant);
}
.circular-progress {
  width: 48px;
  height: 48px;
  border: 4px solid var(--md-sys-color-surface-container-high);
  border-top-color: var(--md-sys-color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  color: var(--md-sys-color-error);
  background-color: var(--md-sys-color-error-container);
  border-radius: var(--md-sys-shape-corner-medium);
}

.footer {
  margin-top: auto;
  padding: 32px 0;
  text-align: center;
  font-size: 14px;
  color: var(--md-sys-color-on-surface-variant);
}
.footer a {
  color: inherit;
  font-weight: 500;
}

/* ANSI Highlighting for Terminal */
/* GitHub Dark inspired for Dark Mode */
.ansi-black-fg {
  color: #8b949e;
}
.ansi-red-fg {
  color: #ff7b72;
}
.ansi-green-fg {
  color: #7ee787;
}
.ansi-yellow-fg {
  color: #d29922;
}
.ansi-blue-fg {
  color: #79c0ff;
}
.ansi-magenta-fg {
  color: #d2a8ff;
}
.ansi-cyan-fg {
  color: #a5d6ff;
}
.ansi-white-fg {
  color: #f0f6fc;
}
.ansi-bright-black-fg {
  color: #6e7681;
}

/* No light theme overrides - Terminal always uses dark mode highlights */