/* ============================================
   Brew Profiles — Fellow Ode 2 + Aiden
   Stylesheet
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #f7f5f2;
  --color-surface: #ffffff;
  --color-surface-alt: #faf9f7;
  --color-border: #e8e4df;
  --color-border-light: #f0ece7;
  --color-text: #1a1815;
  --color-text-secondary: #6b6560;
  --color-text-muted: #9e9893;
  --color-accent: #2c2520;
  --color-accent-warm: #8b5e3c;
  --color-accent-gold: #c49a6c;
  --color-accent-light: #d4a574;
  --color-roast-light: #d4a574;
  --color-roast-medium-light: #b8875a;
  --color-roast-medium: #8b5e3c;
  --color-roast-medium-dark: #5c3a24;
  --color-roast-dark: #2c1810;
  --color-success: #4a7c59;
  --color-warning: #b8860b;
  --color-danger: #a85042;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* --- Header --- */
.header {
  background: var(--color-accent);
  color: #fff;
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-icon {
  color: var(--color-accent-gold);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.header-subtitle {
  font-size: 0.8rem;
  opacity: 0.6;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 300;
}

/* --- Main --- */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* --- Hero --- */
.hero {
  text-align: center;
  padding: 2.5rem 1rem 3rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- App Container --- */
.app-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

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

/* --- Panels --- */
.panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 1.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-border-light);
}

/* --- Field Groups --- */
.field-group {
  margin-bottom: 1.75rem;
}

.field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 0.6rem;
}

/* --- Roast Selector --- */
.roast-selector {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.roast-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition);
  flex: 1;
  min-width: 70px;
}

.roast-btn:hover {
  border-color: var(--color-accent-warm);
  color: var(--color-text);
}

.roast-btn.active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

.roast-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: block;
}

.roast-light { background: var(--color-roast-light); }
.roast-medium-light { background: var(--color-roast-medium-light); }
.roast-medium { background: var(--color-roast-medium); }
.roast-medium-dark { background: var(--color-roast-medium-dark); }
.roast-dark { background: var(--color-roast-dark); }

.roast-btn.active .roast-dot {
  box-shadow: 0 0 0 3px rgba(255,255,255,0.4);
}

/* --- Select Field --- */
.select-field {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' fill='none' stroke='%236b6560' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  cursor: pointer;
  transition: border-color var(--transition);
}

.select-field:focus {
  outline: none;
  border-color: var(--color-accent-warm);
}

.select-field optgroup {
  font-weight: 600;
  font-style: normal;
  color: var(--color-text);
  padding: 0.25rem 0;
}

.select-field option {
  font-weight: 400;
  color: var(--color-text);
  padding: 0.2rem 0.5rem;
}

/* --- Multi-Select Variety --- */
.select-multi {
  height: auto;
  min-height: 120px;
  padding: 0.4rem;
  background-image: none;
}

.select-multi option {
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1px;
}

.select-multi option:checked {
  background: var(--color-accent);
  color: #fff;
}

.field-hint {
  font-weight: 400;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.variety-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
  min-height: 1.5rem;
}

.variety-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.5rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 500;
}

.variety-tag-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  background: rgba(255,255,255,0.2);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  font-size: 10px;
  line-height: 1;
  padding: 0;
  transition: background var(--transition);
}

.variety-tag-remove:hover {
  background: rgba(255,255,255,0.4);
}

/* --- Peaberry Checkbox --- */
.field-group-inline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkbox-input:checked + .checkbox-custom {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.checkbox-input:checked + .checkbox-custom::after {
  content: '';
  width: 6px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

.checkbox-input:focus + .checkbox-custom {
  border-color: var(--color-accent-warm);
  box-shadow: 0 0 0 2px rgba(139, 94, 60, 0.2);
}

.checkbox-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.field-hint-inline {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- Elevation Input --- */
.elevation-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.elevation-input {
  flex: 1;
  padding: 0.7rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color var(--transition);
  -moz-appearance: textfield;
}

.elevation-input::-webkit-inner-spin-button,
.elevation-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.elevation-input:focus {
  outline: none;
  border-color: var(--color-accent-warm);
}

.elevation-unit {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.elevation-presets {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.elevation-preset-btn {
  padding: 0.35rem 0.7rem;
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.elevation-preset-btn:hover {
  border-color: var(--color-accent-warm);
  color: var(--color-text);
}

.elevation-preset-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* --- Pill Selector --- */
.pill-selector {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pill-btn {
  padding: 0.5rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 100px;
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.pill-btn:hover {
  border-color: var(--color-accent-warm);
  color: var(--color-text);
}

.pill-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* --- Taste Sliders --- */
.sliders-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.slider-row {
  display: grid;
  grid-template-columns: 110px 1fr 110px;
  align-items: center;
  gap: 0.75rem;
}

@media (max-width: 500px) {
  .slider-row {
    grid-template-columns: 80px 1fr 80px;
    gap: 0.4rem;
  }
}

.slider-label-left,
.slider-label-right {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.slider-label-left {
  text-align: right;
}

.slider-label-right {
  text-align: left;
}

/* Range slider styling */
.taste-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, var(--color-accent-gold), var(--color-accent));
  outline: none;
  cursor: pointer;
}

.taste-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 3px solid var(--color-accent);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.taste-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.taste-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 3px solid var(--color-accent);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

/* --- Generate Button --- */
.generate-btn {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition);
  margin-top: 0.5rem;
}

.generate-btn:hover {
  background: var(--color-accent-warm);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.generate-btn:active {
  transform: translateY(0);
}

/* --- Output Panel --- */
.output-panel {
  position: sticky;
  top: 80px;
}

@media (max-width: 900px) {
  .output-panel {
    position: static;
  }
}

.output-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--color-text-muted);
  min-height: 400px;
  gap: 1.5rem;
}

.output-placeholder p {
  max-width: 280px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

/* --- Result Sections --- */
.result-section {
  margin-bottom: 2rem;
}

.result-section:last-of-type {
  margin-bottom: 1.5rem;
}

.result-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

/* --- Settings Grid --- */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.75rem;
}

.setting-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: all var(--transition);
}

.setting-card:hover {
  border-color: var(--color-accent-gold);
  box-shadow: var(--shadow-sm);
}

.setting-value {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-accent-warm);
  line-height: 1.2;
}

.setting-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
}

.setting-sublabel {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- Pulse Profile --- */
.pulse-profile {
  margin-top: 1rem;
}

.pulse-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.pulse-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 120px;
  padding: 0.5rem 0;
}

.pulse-bar-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  height: 100%;
  justify-content: flex-end;
}

.pulse-bar {
  width: 100%;
  max-width: 60px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height 0.6s ease;
  position: relative;
}

.pulse-bar-bloom {
  background: linear-gradient(to top, var(--color-accent-warm), var(--color-accent-gold));
}

.pulse-bar-pulse {
  background: linear-gradient(to top, var(--color-accent), #4a3f38);
}

.pulse-bar-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.pulse-bar-temp {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent-warm);
}

/* --- Tips --- */
.tips-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tip-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.75rem;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.tip-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.tip-text {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --- Tabs Container --- */
.tabs-container {
  margin-top: 1.5rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-alt);
}

.tabs-nav {
  display: flex;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
}

.tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.tab-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.tab-btn.active {
  color: var(--color-accent);
  background: var(--color-surface-alt);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent-warm);
}

.tab-btn svg {
  flex-shrink: 0;
}

.tab-panel {
  display: none;
  padding: 1.25rem;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

/* --- Explanation Section --- */
.explanation-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.explanation-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.explanation-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.explanation-param {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 500;
}

.explanation-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent-warm);
  background: var(--color-surface-alt);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.explanation-summary {
  font-size: 0.88rem;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.5;
  font-weight: 500;
}

.explanation-reasons {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.explanation-reasons li {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}

.explanation-reasons li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-gold);
}

/* --- Action Buttons --- */
.result-actions {
  display: flex;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

.action-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all var(--transition);
}

.action-btn:hover {
  background: var(--color-accent-warm);
  border-color: var(--color-accent-warm);
  transform: translateY(-1px);
}

.action-btn.secondary {
  background: transparent;
  color: var(--color-accent);
}

.action-btn.secondary:hover {
  background: var(--color-accent);
  color: #fff;
}

/* --- Saved Profiles Section --- */
.saved-section {
  margin-top: 3rem;
}

.saved-section .panel-title {
  margin-bottom: 1.25rem;
}

.saved-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.saved-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.saved-card:hover {
  border-color: var(--color-accent-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.saved-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.saved-card-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent);
}

.saved-card-date {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.saved-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.saved-tag {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-muted);
}

.saved-card-summary {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.saved-card-delete {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition);
}

.saved-card:hover .saved-card-delete {
  opacity: 1;
}

.saved-card-delete:hover {
  background: var(--color-danger);
  color: #fff;
}

/* --- Troubleshoot Section --- */
.troubleshoot-section {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-border-light);
}

.troubleshoot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.troubleshoot-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition);
}

.troubleshoot-card:hover {
  box-shadow: var(--shadow-sm);
}

.troubleshoot-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.troubleshoot-icon.sour {
  background: #fef3cd;
  color: #856404;
}

.troubleshoot-icon.bitter {
  background: #f8d7da;
  color: #721c24;
}

.troubleshoot-icon.weak {
  background: #d1ecf1;
  color: #0c5460;
}

.troubleshoot-icon.strong {
  background: #d4edda;
  color: #155724;
}

.troubleshoot-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.troubleshoot-diagnosis {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.troubleshoot-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.troubleshoot-card li {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding-left: 1rem;
  position: relative;
  line-height: 1.45;
}

.troubleshoot-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-gold);
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--color-border-light);
  max-width: 600px;
  margin: 0 auto;
}

.footer p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer-note {
  margin-top: 0.35rem;
  font-style: italic;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-section {
  animation: fadeIn 0.4s ease both;
}

.result-section:nth-child(2) {
  animation-delay: 0.1s;
}

.result-section:nth-child(3) {
  animation-delay: 0.2s;
}

/* --- Save Toast --- */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  transition: transform 0.3s ease;
  pointer-events: none;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
}

/* --- Name Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 90%;
  max-width: 400px;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.modal-overlay.visible .modal {
  transform: scale(1);
}

.modal h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
}

.modal p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
}

.modal-input {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  transition: border-color var(--transition);
}

.modal-input:focus {
  outline: none;
  border-color: var(--color-accent-warm);
}

.modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.modal-btn {
  padding: 0.6rem 1.25rem;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.modal-btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.modal-btn-primary:hover {
  background: var(--color-accent-warm);
  border-color: var(--color-accent-warm);
}

.modal-btn-secondary {
  background: transparent;
  color: var(--color-accent);
}

.modal-btn-secondary:hover {
  background: var(--color-accent);
  color: #fff;
}