/* ==========================================================================
   JIROBUCKS CSS - High Visibility, Responsive Dual Theme
   © 2026 c1t0d0s0
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties & Themes
   -------------------------------------------------------------------------- */
:root {
  /* Common System Tokens */
  --font-family-base: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-heading: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.12);
  --shadow-lift: 0 6px 16px rgba(0, 0, 0, 0.14);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* JIRO MODE THEME (Bright Yellow, Deep Charcoal, Vivid Red Accent) */
body[data-mode="jiro"] {
  --theme-primary: #FFE600;
  --theme-primary-hover: #F2D800;
  --theme-primary-contrast: #111111;
  
  --theme-accent: #E60012;
  --theme-accent-hover: #CC0010;
  --theme-accent-contrast: #FFFFFF;
  
  --theme-bg: #FBF9F1;
  --theme-surface: #FFFFFF;
  --theme-surface-subtle: #FFFBE6;
  --theme-surface-border: #E8E2CD;
  
  --theme-text-main: #1A1A1A;
  --theme-text-muted: #555555;
  --theme-border-active: #111111;
  
  --header-bg: #141414;
  --header-text: #FFFFFF;
  --tab-active-bg: #FFE600;
  --tab-active-color: #111111;
  
  --spell-card-bg: #181818;
  --spell-card-text: #FFFFFF;
  --spell-card-highlight: #FFE600;
  --spell-card-sub: #E2E2E2;
  --spell-badge-bg: #E60012;
  --spell-badge-color: #FFFFFF;
}

/* STARBUCKS MODE THEME (Starbucks Emerald Green, Warm Cream, Rich Roast) */
body[data-mode="starbucks"] {
  --theme-primary: #00754A;
  --theme-primary-hover: #00623E;
  --theme-primary-contrast: #FFFFFF;
  
  --theme-accent: #C2825B;
  --theme-accent-hover: #AB6E49;
  --theme-accent-contrast: #FFFFFF;
  
  --theme-bg: #F4F2EC;
  --theme-surface: #FFFFFF;
  --theme-surface-subtle: #E9F4EE;
  --theme-surface-border: #D8D2C6;
  
  --theme-text-main: #1E3932;
  --theme-text-muted: #52635B;
  --theme-border-active: #00754A;
  
  --header-bg: #1E3932;
  --header-text: #FFFFFF;
  --tab-active-bg: #00754A;
  --tab-active-color: #FFFFFF;
  
  --spell-card-bg: #1E3932;
  --spell-card-text: #FFFFFF;
  --spell-card-highlight: #D4E9E2;
  --spell-card-sub: #E4EAE6;
  --spell-badge-bg: #C2825B;
  --spell-badge-color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   2. Reset & Global Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--theme-bg);
  color: var(--theme-text-main);
  line-height: 1.55;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

button:focus-visible {
  outline: 3px solid #2563EB;
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   3. Header & Navigation
   -------------------------------------------------------------------------- */
.app-header {
  background-color: var(--header-bg);
  color: var(--header-text);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color var(--transition-normal);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 1.5rem;
  background: rgba(255, 255, 255, 0.12);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-md);
}

.icon-x {
  font-size: 0.85rem;
  opacity: 0.6;
  font-weight: 700;
}

.logo-text .app-title {
  font-family: var(--font-family-heading);
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.1;
  color: #FFFFFF;
}

.logo-text .app-subtitle {
  font-size: 0.75rem;
  opacity: 0.85;
  letter-spacing: 0.02em;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: nowrap;
}

.mode-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  flex-wrap: nowrap;
}

.mode-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-label {
  white-space: nowrap;
}

.mode-tab.active {
  background-color: var(--tab-active-bg);
  color: var(--tab-active-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.lang-switch-wrapper {
  flex-shrink: 0;
}

.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.lang-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* --------------------------------------------------------------------------
   4. Main Container & Hero Banner
   -------------------------------------------------------------------------- */
.main-container {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3.5rem;
  flex: 1;
}

.mode-hero {
  background: var(--theme-surface);
  border: 2px solid var(--theme-surface-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  transition: border-color var(--transition-normal);
}

.hero-badge {
  display: inline-block;
  background: var(--theme-primary);
  color: var(--theme-primary-contrast);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}

.hero-heading {
  font-family: var(--font-family-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--theme-text-main);
  line-height: 1.25;
  margin-bottom: 0.25rem;
}

.hero-desc {
  font-size: 0.92rem;
  color: var(--theme-text-muted);
}

.hero-quick-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.action-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--theme-surface);
  color: var(--theme-text-main);
  border: 1.5px solid var(--theme-surface-border);
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 700;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.action-btn-secondary:hover {
  background: var(--theme-surface-subtle);
  border-color: var(--theme-border-active);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   5. Presets Bar
   -------------------------------------------------------------------------- */
.presets-section {
  margin-bottom: 1.5rem;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--theme-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.presets-scroll {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding: 0.2rem 0.2rem 0.6rem;
  scrollbar-width: thin;
}

.presets-scroll::-webkit-scrollbar {
  height: 6px;
}

.presets-scroll::-webkit-scrollbar-thumb {
  background: var(--theme-surface-border);
  border-radius: var(--radius-full);
}

.preset-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--theme-surface);
  border: 1.5px solid var(--theme-surface-border);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--theme-text-main);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.preset-chip:hover {
  background: var(--theme-surface-subtle);
  border-color: var(--theme-border-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.preset-chip.active {
  background: var(--theme-primary);
  color: var(--theme-primary-contrast);
  border-color: var(--theme-primary-contrast);
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   6. Two-Column Builder Layout
   -------------------------------------------------------------------------- */
.builder-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 1.75rem;
  align-items: start;
}

@media (max-width: 900px) {
  .builder-layout {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   7. Option Groups & Chips
   -------------------------------------------------------------------------- */
.mode-controls {
  display: none;
}

.mode-controls.active {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.control-group {
  background: var(--theme-surface);
  border: 2px solid var(--theme-surface-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.control-group.highlight-group {
  border-color: #E2C968;
  background: #FFFDF5;
}

body[data-mode="starbucks"] .control-group.highlight-group {
  border-color: #B2D8C6;
  background: #F8FCFA;
}

.group-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.8rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1.5px solid var(--theme-surface-border);
}

.timing-badge {
  display: inline-block;
  background: var(--theme-text-main);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.timing-badge.alert-badge {
  background: var(--theme-accent);
  color: #FFFFFF;
}

.timing-badge.bucks-badge {
  background: var(--theme-primary);
  color: var(--theme-primary-contrast);
}

.group-header h3 {
  font-family: var(--font-family-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--theme-text-main);
}

.timing-hint {
  font-size: 0.8rem;
  color: var(--theme-text-muted);
  margin-left: auto;
}

.field-item {
  margin-bottom: 1.1rem;
}

.field-item:last-child {
  margin-bottom: 0;
}

.field-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--theme-text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.topping-icon {
  font-size: 1.1rem;
}

.field-desc {
  font-size: 0.78rem;
  color: var(--theme-text-muted);
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.95rem;
  background: var(--theme-surface);
  border: 1.5px solid var(--theme-surface-border);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--theme-text-main);
  transition: all var(--transition-fast);
  cursor: pointer;
  min-height: 42px;
}

.chip:hover {
  background: var(--theme-surface-subtle);
  border-color: var(--theme-border-active);
  transform: translateY(-1px);
}

.chip.active {
  background: var(--theme-primary);
  color: var(--theme-primary-contrast);
  border-color: var(--theme-primary-contrast);
  font-weight: 800;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.chip.danger-chip.active {
  background: var(--theme-accent);
  color: var(--theme-accent-contrast);
  border-color: var(--theme-accent-contrast);
}

/* Drink selection grid for Starbucks */
.drink-select-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.5rem;
}

.drink-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.65rem 0.85rem;
  background: var(--theme-surface);
  border: 1.5px solid var(--theme-surface-border);
  border-radius: var(--radius-md);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--theme-text-main);
  text-align: left;
  transition: all var(--transition-fast);
  min-height: 52px;
  justify-content: center;
}

.drink-chip:hover {
  background: var(--theme-surface-subtle);
  border-color: var(--theme-border-active);
  transform: translateY(-1px);
}

.drink-chip.active {
  background: var(--theme-primary);
  color: var(--theme-primary-contrast);
  border-color: var(--theme-primary-contrast);
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.drink-chip .drink-primary {
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.25;
}

.drink-chip .drink-secondary {
  font-size: 0.72rem;
  opacity: 0.8;
  font-weight: 500;
  margin-top: 0.15rem;
}

/* Toggle Switch */
.field-toggle-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: rgba(0, 0, 0, 0.03);
  border: 1.5px dashed var(--theme-surface-border);
  border-radius: var(--radius-md);
  margin-top: 1rem;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #CCCCCC;
  transition: var(--transition-fast);
  border-radius: 34px;
}

.toggle-slider::before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

input:checked + .toggle-slider {
  background-color: var(--theme-primary);
}

input:checked + .toggle-slider::before {
  transform: translateX(22px);
  background-color: var(--theme-primary-contrast);
}

.toggle-text strong {
  display: block;
  font-size: 0.86rem;
  color: var(--theme-text-main);
}

.toggle-text p {
  font-size: 0.75rem;
  color: var(--theme-text-muted);
  line-height: 1.35;
}

/* --------------------------------------------------------------------------
   8. Live Spell Card (Sticky / High Visibility)
   -------------------------------------------------------------------------- */
.spell-column {
  position: sticky;
  top: 4.8rem;
  z-index: 10;
}

.spell-card {
  background: var(--spell-card-bg);
  color: var(--spell-card-text);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.spell-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.spell-header-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.spell-tag {
  background: var(--spell-badge-bg);
  color: var(--spell-badge-color);
  font-size: 0.76rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.live-dot {
  width: 10px;
  height: 10px;
  background-color: #22C55E;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #22C55E;
  animation: pulse-live 1.8s infinite;
}

.spell-close-btn {
  display: none;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.35rem 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.spell-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.action-btn-dismiss {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.12);
  color: #EEEEEE;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 800;
  cursor: pointer;
  margin-top: 0.4rem;
  transition: all var(--transition-fast);
}

.action-btn-dismiss:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
}

@keyframes pulse-live {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.spell-display-area {
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.1rem;
}

.spell-phonetic {
  font-size: 0.82rem;
  color: var(--spell-card-highlight);
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
  min-height: 1.2rem;
}

.spell-main-text {
  font-family: var(--font-family-heading);
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1.35;
  color: #FFFFFF;
  word-break: break-word;
}

/* Calorie & Unique Index Metrics Panel (1 row each) */
.spell-metrics-panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.metric-chip {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.16);
  color: #FFFFFF;
  font-size: 0.86rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

.metric-label-group {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.metric-value-group {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
  text-align: right;
  justify-content: flex-end;
}

.metric-chip .metric-icon {
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.metric-chip .metric-title {
  font-size: 0.82rem;
  opacity: 0.9;
  white-space: nowrap;
}

.metric-chip .metric-val {
  font-family: var(--font-family-heading);
  font-size: 0.96rem;
  font-weight: 900;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.metric-chip .metric-desc {
  font-size: 0.76rem;
  opacity: 0.88;
  font-weight: 600;
  white-space: nowrap;
}

/* Jiro theme specifics */
body[data-mode="jiro"] .calorie-chip {
  background: rgba(255, 230, 0, 0.12);
  border-color: rgba(255, 230, 0, 0.45);
  color: #FFE600;
}

body[data-mode="jiro"] .index-chip {
  background: rgba(230, 0, 18, 0.16);
  border-color: rgba(255, 59, 48, 0.5);
  color: #FF6B6B;
}

/* Starbucks theme specifics */
body[data-mode="starbucks"] .calorie-chip {
  background: rgba(212, 233, 226, 0.15);
  border-color: rgba(212, 233, 226, 0.45);
  color: #D4E9E2;
}

body[data-mode="starbucks"] .index-chip {
  background: rgba(0, 117, 74, 0.25);
  border-color: rgba(52, 211, 153, 0.5);
  color: #6EE7B7;
}

.spell-breakdown {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.breakdown-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255, 255, 255, 0.12);
  color: var(--spell-card-sub);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.breakdown-badge.highlight {
  background: var(--spell-card-highlight);
  color: #111111;
  font-weight: 800;
}

.spell-tip-box {
  display: flex;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  line-height: 1.4;
}

.tip-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.tip-content strong {
  display: block;
  color: var(--spell-card-highlight);
  font-size: 0.84rem;
  margin-bottom: 0.15rem;
}

.tip-content p {
  color: var(--spell-card-sub);
}

/* Action Buttons */
.spell-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.action-btn-primary {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  background: var(--theme-primary);
  color: var(--theme-primary-contrast);
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

.action-btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.action-btn-row {
  display: flex;
  gap: 0.5rem;
}

.action-btn-row .action-btn-secondary {
  flex: 1;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
  padding: 0.6rem 0.4rem;
  font-size: 0.82rem;
}

.action-btn-row .action-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   9. Etiquette & Beginner Guide Section
   -------------------------------------------------------------------------- */
.guide-section {
  margin-top: 2.5rem;
}

.guide-accordion {
  background: var(--theme-surface);
  border: 2px solid var(--theme-surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.guide-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.4rem;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  transition: background var(--transition-fast);
}

.guide-summary::-webkit-details-marker {
  display: none;
}

.guide-summary:hover {
  background: var(--theme-surface-subtle);
}

.summary-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.guide-icon {
  font-size: 1.25rem;
}

.accordion-arrow {
  font-size: 0.85rem;
  color: var(--theme-text-muted);
  transition: transform var(--transition-fast);
}

details[open] .accordion-arrow {
  transform: rotate(180deg);
}

.guide-content {
  padding: 0 1.4rem 1.4rem;
  border-top: 1px solid var(--theme-surface-border);
  font-size: 0.92rem;
  line-height: 1.7;
}

.guide-content h4 {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 1.25rem 0 0.4rem;
  color: var(--theme-text-main);
}

.guide-content ul, .guide-content ol {
  padding-left: 1.4rem;
  margin-bottom: 0.8rem;
}

.guide-content li {
  margin-bottom: 0.35rem;
}

.guide-callout {
  background: var(--theme-surface-subtle);
  border-left: 4px solid var(--theme-primary);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1rem 0;
  font-size: 0.88rem;
}

/* --------------------------------------------------------------------------
   10. Fullscreen "Show to Staff" Modal
   -------------------------------------------------------------------------- */
.staff-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.staff-modal.open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  background: #FFFFFF;
  color: #111111;
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
  animation: modal-pop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-pop {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-badge {
  background: #111111;
  color: #FFFFFF;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
}

.modal-close-btn {
  font-size: 1.4rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F0F0F0;
  border-radius: 50%;
  color: #333333;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: #E0E0E0;
}

.modal-body {
  text-align: center;
  padding: 0.5rem 0;
}

.modal-sub-label {
  font-size: 1rem;
  font-weight: 800;
  color: #666666;
  margin-bottom: 0.5rem;
}

.modal-spell-text {
  font-family: var(--font-family-heading);
  font-size: 2.1rem;
  font-weight: 900;
  line-height: 1.3;
  color: #111111;
  background: #FFFBE6;
  border: 3px solid #111111;
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  word-break: break-word;
  box-shadow: 0 4px 0 #111111;
  margin-bottom: 1rem;
}

body[data-mode="starbucks"] .modal-spell-text {
  background: #EBF8F2;
  border-color: #00754A;
  box-shadow: 0 4px 0 #00754A;
}

.modal-details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
  background: #F7F7F7;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
}

.modal-details .modal-detail-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed #DDD;
  padding-bottom: 0.25rem;
}

.modal-details .modal-detail-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.modal-footer {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: center;
}

.modal-note {
  font-size: 0.8rem;
  color: #777777;
  text-align: center;
}

/* --------------------------------------------------------------------------
   11. Toast Notification
   -------------------------------------------------------------------------- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #111111;
  color: #FFFFFF;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.app-footer {
  background: #141414;
  color: #999999;
  padding: 2.25rem 1.25rem;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.footer-links {
  font-weight: 700;
  color: #DDDDDD;
}

.footer-sep {
  margin: 0 0.4rem;
  opacity: 0.5;
}

.footer-disclaimer {
  max-width: 680px;
  font-size: 0.78rem;
  line-height: 1.5;
  opacity: 0.75;
}

.footer-copyright {
  font-size: 0.82rem;
  font-weight: 600;
  color: #CCCCCC;
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   13. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .header-inner {
    padding: 0.5rem 0.75rem;
    gap: 0.45rem;
  }

  .brand {
    gap: 0.5rem;
  }

  .logo-icon {
    font-size: 1.15rem;
    padding: 0.2rem 0.45rem;
  }
  
  .logo-text .app-title {
    font-size: 1.2rem;
    line-height: 1.1;
  }

  .logo-text .app-subtitle {
    display: none; /* Hide subtitle on mobile so top bar remains clean */
  }

  .header-controls {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.35rem;
    flex-wrap: nowrap;
  }

  .mode-tabs {
    flex: 1;
    min-width: 0;
    padding: 0.18rem;
    gap: 0.15rem;
    display: flex;
    flex-wrap: nowrap;
  }
  
  .mode-tab {
    flex: 1;
    min-width: 0;
    padding: 0.38rem 0.4rem;
    font-size: 0.78rem;
    gap: 0.25rem;
    justify-content: center;
    white-space: nowrap;
  }

  .tab-emoji {
    font-size: 0.85rem;
    flex-shrink: 0;
  }

  .tab-label {
    white-space: nowrap;
  }

  .lang-switch-wrapper {
    flex-shrink: 0;
  }

  .lang-toggle-btn {
    padding: 0.38rem 0.55rem;
    font-size: 0.76rem;
    gap: 0.25rem;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .main-container {
    padding: 1rem 0.85rem 3rem;
  }
  
  .mode-hero {
    padding: 1rem;
    flex-direction: column;
    align-items: flex-start;
  }
  
  .hero-quick-actions {
    width: 100%;
  }
  
  .hero-quick-actions .action-btn-secondary {
    flex: 1;
    justify-content: center;
  }
  
  .control-group {
    padding: 1.1rem 1rem;
  }
  
  .drink-select-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .spell-card {
    padding: 1.15rem;
  }
  
  .modal-card {
    padding: 1.25rem 1rem;
  }
  
  .modal-spell-text {
    font-size: 1.65rem;
    padding: 1rem 0.75rem;
  }

  .metric-chip {
    padding: 0.48rem 0.75rem;
    font-size: 0.82rem;
  }

  .metric-chip .metric-title {
    font-size: 0.78rem;
  }

  .metric-chip .metric-val {
    font-size: 0.9rem;
  }

  .metric-chip .metric-desc {
    font-size: 0.74rem;
  }
}

/* --------------------------------------------------------------------------
   14. Mobile Collapsible Spell Drawer & Bottom Dock
   -------------------------------------------------------------------------- */
.mobile-spell-dock {
  display: none;
}

.spell-backdrop {
  display: none;
}

@media (max-width: 900px) {
  /* Floating Bottom Dock on Mobile */
  .mobile-spell-dock {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 90;
    background: var(--header-bg);
    color: #FFFFFF;
    box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.3);
    padding: 0.65rem 1.1rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    border-top: 2.5px solid var(--theme-primary);
  }

  .dock-preview {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    cursor: pointer;
    flex: 1;
    min-width: 0;
  }

  .dock-badge {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--spell-card-highlight);
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  .dock-text {
    font-family: var(--font-family-heading);
    font-size: 0.95rem;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #FFFFFF;
  }

  .dock-open-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--theme-primary);
    color: var(--theme-primary-contrast);
    padding: 0.65rem 1.15rem;
    border-radius: var(--radius-full);
    font-size: 0.92rem;
    font-weight: 900;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: transform var(--transition-fast), filter var(--transition-fast);
  }

  .dock-open-btn:active {
    transform: scale(0.96);
  }

  /* Drawer Container for Mobile */
  .spell-column {
    position: fixed !important;
    top: auto !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    max-height: 88vh;
    z-index: 150;
    transform: translateY(105%);
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 -12px 36px rgba(0, 0, 0, 0.5);
    border-radius: 20px 20px 0 0;
    overflow-y: auto;
    background: var(--spell-card-bg);
  }

  .spell-column.open-drawer {
    transform: translateY(0);
  }

  .spell-card {
    border-radius: 20px 20px 0 0;
    border: none;
    border-top: 3px solid var(--theme-primary);
    padding-bottom: calc(1.75rem + env(safe-area-inset-bottom, 0px));
  }

  /* Drawer Backdrop */
  .spell-backdrop {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(2px);
    z-index: 140;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  .spell-backdrop.active {
    opacity: 1;
    pointer-events: auto;
  }

  /* Show close and dismiss buttons on mobile */
  .spell-close-btn {
    display: inline-flex;
  }

  .action-btn-dismiss {
    display: flex;
  }

  /* Extra padding at bottom of page container so dock doesn't obscure content */
  .main-container {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px)) !important;
  }
}