/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #FFE066;
  --primary-dark: #F5C800;
  --success: #4CAF50;
  --warning: #FF9800;
  --error: #E57373;
  --sky: #87CEEB;
  --bg: #FFFFFF;
  --text: #333333;
  --text-light: #666666;
  --border: #E0E0E0;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --mono: 'Courier New', Courier, monospace;
}

html { font-size: 16px; }

body {
  font-family: var(--font);
  font-size: 20px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== PROGRESS BAR ===== */
.progress-bar {
  background: #F5F5F5;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.progress-bar.hidden { display: none; }

.progress-segments {
  display: flex;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.progress-segment {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.progress-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
}

.progress-segment[data-phase="setup"] .progress-label { color: var(--primary-dark); }
.progress-segment[data-phase="planning"] .progress-label { color: #2196F3; }
.progress-segment[data-phase="simulation"] .progress-label { color: var(--success); }

.progress-track {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease;
  width: 0%;
}

.progress-segment[data-phase="setup"] .progress-fill { background: var(--primary-dark); }
.progress-segment[data-phase="planning"] .progress-fill { background: #2196F3; }
.progress-segment[data-phase="simulation"] .progress-fill { background: var(--success); }

/* ===== CONTENT AREA ===== */
.content {
  flex: 1;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.screen { animation: fadeIn 0.3s ease; }

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

/* ===== TYPOGRAPHY ===== */
h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

p { margin-bottom: 16px; }

.subtitle {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.mono {
  font-family: var(--mono);
  font-size: 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 32px;
  font-size: 18px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  gap: 8px;
  font-family: var(--font);
}

.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-primary { background: var(--primary); color: var(--text); }
.btn-primary:hover { background: var(--primary-dark); }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #43A047; }

.btn-secondary { background: #F5F5F5; color: var(--text); border: 2px solid var(--border); }
.btn-secondary:hover { background: #EEEEEE; }

.btn-danger { background: var(--error); color: white; }
.btn-danger:hover { background: #EF5350; }

.btn-small {
  min-height: 36px;
  padding: 6px 16px;
  font-size: 14px;
}

.btn-large {
  min-height: 56px;
  padding: 16px 48px;
  font-size: 22px;
}

.btn-block { width: 100%; }

/* ===== INPUTS ===== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.input {
  width: 100%;
  height: 48px;
  padding: 8px 16px;
  font-size: 20px;
  font-family: var(--font);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}

.input:focus { border-color: var(--primary-dark); }
.input.valid { border-color: var(--success); }
.input.invalid { border-color: var(--error); }
.input.close-answer { border-color: var(--warning); }

.input-mono {
  font-family: var(--mono);
  font-size: 24px;
  text-align: center;
  width: 160px;
}

.input-inline {
  display: inline-block;
  width: auto;
}

/* ===== SLIDER ===== */
.slider-container {
  margin: 16px 0;
}

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 12px;
  border-radius: 6px;
  background: var(--border);
  outline: none;
  transition: background 0.2s;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-dark);
  cursor: pointer;
  border: 3px solid white;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-dark);
  cursor: pointer;
  border: 3px solid white;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.slider-value {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin: 8px 0;
}

/* ===== CARDS ===== */
.card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #F5F5F5;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.stat-card {
  text-align: center;
  padding: 16px;
  border-radius: var(--radius);
  background: #FAFAFA;
}

.stat-value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 4px;
}

/* ===== STORE SHELF ===== */
.store-shelf {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 24px 0;
}

.store-item {
  background: #FFFDE7;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: transform 0.2s;
}

.store-item:hover { transform: scale(1.02); }

.store-item-icon { font-size: 48px; margin-bottom: 8px; }
.store-item-name { font-weight: 600; font-size: 18px; }
.store-item-size { font-size: 14px; color: var(--text-light); margin: 4px 0; }
.store-item-price {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--success);
}

/* ===== VALIDATION FEEDBACK ===== */
.feedback {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin: 12px 0;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feedback-correct {
  background: #E8F5E9;
  color: #2E7D32;
  border: 2px solid var(--success);
}

.feedback-close {
  background: #FFF3E0;
  color: #E65100;
  border: 2px solid var(--warning);
}

.feedback-incorrect {
  background: #FFEBEE;
  color: #C62828;
  border: 2px solid var(--error);
}

/* ===== RATIO BAR ===== */
.ratio-bar {
  display: flex;
  height: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 16px 0;
  border: 2px solid var(--border);
}

.ratio-bar-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: white;
  transition: flex 0.4s ease;
}

.ratio-juice { background: #FFEB3B; color: var(--text); }
.ratio-syrup { background: #FF9800; }
.ratio-water { background: #42A5F5; }

/* ===== TABLE ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 16px;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: #F5F5F5;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td input {
  width: 80px;
  height: 36px;
  text-align: center;
  font-size: 16px;
  font-family: var(--mono);
  border: 2px solid var(--border);
  border-radius: 8px;
  outline: none;
}

.data-table td input:focus { border-color: var(--primary-dark); }

/* ===== EMPLOYEE ICONS ===== */
.employee-icons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 20px 0;
  min-height: 80px;
  align-items: flex-end;
}

.employee-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: popIn 0.3s ease;
}

@keyframes popIn {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}

.employee-head {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-dark);
  margin-bottom: 4px;
}

.employee-body {
  width: 24px;
  height: 40px;
  border-radius: 6px 6px 0 0;
  background: var(--primary-dark);
}

/* ===== STAND PREVIEW ===== */
.stand-preview {
  width: 280px;
  margin: 24px auto;
  text-align: center;
}

.stand-roof {
  background: var(--error);
  height: 20px;
  border-radius: 8px 8px 0 0;
  position: relative;
}

.stand-roof::before,
.stand-roof::after {
  content: '';
  position: absolute;
  top: 0;
  width: 20px;
  height: 20px;
}

.stand-sign {
  background: var(--primary);
  padding: 12px 16px;
  font-size: 22px;
  font-weight: 700;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  word-break: break-word;
}

.stand-counter {
  background: #8D6E63;
  height: 16px;
}

.stand-legs {
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
}

.stand-leg {
  width: 8px;
  height: 40px;
  background: #6D4C41;
}

/* ===== AI TEACHER ===== */

/* ===== SESSION LIST ===== */
.session-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0;
}

.session-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: white;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.session-item:hover { border-color: var(--primary-dark); box-shadow: var(--shadow); }

.session-item-name {
  flex: 1;
  font-weight: 600;
  font-size: 18px;
}

.session-item-screen {
  font-size: 13px;
  color: var(--text-light);
}

.session-delete {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--error);
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.session-delete:hover { opacity: 1; }

/* ===== COST BREAKDOWN ===== */
.cost-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #F5F5F5;
}

.cost-row:last-child { border-bottom: none; }
.cost-row.total { font-weight: 700; border-top: 2px solid var(--text); padding-top: 12px; margin-top: 4px; }
.cost-label { flex: 1; }
.cost-value { font-family: var(--mono); font-size: 20px; }

/* ===== DAY RESULTS ===== */
.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 6px;
}

.result-row:nth-child(odd) { background: #FAFAFA; }
.result-label { font-size: 16px; }
.result-value { font-family: var(--mono); font-size: 18px; font-weight: 600; }
.result-value.positive { color: var(--success); }
.result-value.negative { color: var(--error); }

/* ===== DAY ANIMATION ===== */
.day-scene {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
  border-radius: var(--radius);
  margin: 16px 0;
  border: 2px solid var(--border);
}

.day-sky {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 70%;
  transition: background 0.5s;
}

.sky-sunny-hot { background: linear-gradient(180deg, #2196F3 0%, #87CEEB 60%, #FFF9C4 100%); }
.sky-sunny { background: linear-gradient(180deg, #42A5F5 0%, #87CEEB 100%); }
.sky-partly-cloudy { background: linear-gradient(180deg, #64B5F6 0%, #B0BEC5 100%); }
.sky-cloudy { background: linear-gradient(180deg, #90A4AE 0%, #B0BEC5 100%); }
.sky-rainy { background: linear-gradient(180deg, #607D8B 0%, #78909C 100%); }
.sky-stormy { background: linear-gradient(180deg, #37474F 0%, #546E7A 100%); }

.day-ground {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30%;
  background: linear-gradient(180deg, #81C784 0%, #66BB6A 100%);
}

.day-road {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 20%;
  background: #9E9E9E;
}

.day-road::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, #FFE066 0px, #FFE066 20px, transparent 20px, transparent 40px);
}

/* Stand in scene */
.scene-stand {
  position: absolute;
  right: 15%;
  bottom: 20%;
  z-index: 10;
}

.scene-stand-roof {
  width: 120px;
  height: 15px;
  background: var(--error);
  border-radius: 6px 6px 0 0;
}

.scene-stand-body {
  width: 120px;
  background: #8D6E63;
  padding: 4px;
  text-align: center;
}

.scene-stand-sign {
  background: var(--primary);
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.2;
}

.scene-stand-price {
  background: white;
  padding: 2px 8px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--mono);
  margin-top: 2px;
}

.scene-stand-counter {
  width: 120px;
  height: 8px;
  background: #6D4C41;
}

.scene-stand-legs {
  display: flex;
  justify-content: space-between;
  padding: 0 10px;
}

.scene-stand-leg { width: 6px; height: 30px; background: #5D4037; }

/* Customers */
.customer {
  position: absolute;
  bottom: 20%;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.customer-head {
  width: 16px;
  height: 16px;
  border-radius: 50%;
}

.customer-body {
  width: 12px;
  height: 24px;
  border-radius: 4px 4px 0 0;
  margin-top: 2px;
}

.customer-cup {
  width: 8px;
  height: 10px;
  background: white;
  border: 1px solid #CCC;
  border-radius: 0 0 2px 2px;
  position: absolute;
  right: -10px;
  bottom: 8px;
  opacity: 0;
}

.customer.has-cup .customer-cup { opacity: 1; }

@keyframes walkAcross {
  0% { left: -30px; }
  100% { left: calc(100% + 30px); }
}

@keyframes walkToBuy {
  0% { left: -30px; }
  45% { left: calc(85% - 60px); }
  55% { left: calc(85% - 60px); }
  100% { left: calc(100% + 30px); }
}

@keyframes walkToReject {
  0% { left: -30px; }
  40% { left: calc(85% - 80px); }
  45% { left: calc(85% - 80px); }
  100% { left: calc(100% + 30px); }
}

@keyframes headShake {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-12deg); }
  50% { transform: rotate(12deg); }
  75% { transform: rotate(-8deg); }
}

@keyframes coinFloat {
  0% { opacity: 1; transform: translate(0, 0); }
  100% { opacity: 0; transform: translate(40px, -20px); }
}

.coin {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-dark);
  top: 5px;
  left: 5px;
  animation: coinFloat 0.5s ease forwards;
}

.reject-bubble {
  position: absolute;
  top: -28px;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: 2px solid #E57373;
  border-radius: 10px;
  padding: 2px 6px;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  opacity: 0;
  animation: bubblePop 1.5s ease forwards;
  z-index: 10;
}

.reject-bubble::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid white;
}

.reject-bubble::before {
  content: '';
  position: absolute;
  bottom: -9px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 7px solid #E57373;
}

.reject-bubble-sad {
  border-color: #64B5F6;
  font-size: 13px;
  font-weight: 700;
}

@keyframes bubblePop {
  0% { opacity: 0; transform: translateX(-50%) scale(0.5); }
  15% { opacity: 1; transform: translateX(-50%) scale(1.1); }
  25% { opacity: 1; transform: translateX(-50%) scale(1); }
  75% { opacity: 1; transform: translateX(-50%) scale(1); }
  100% { opacity: 0; transform: translateX(-50%) scale(0.8) translateY(-8px); }
}

/* Weather overlays */
.rain-drop {
  position: absolute;
  width: 2px;
  height: 12px;
  background: rgba(100,181,246,0.7);
  animation: rainFall linear infinite;
}

@keyframes rainFall {
  0% { transform: translateY(-20px); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(400px); opacity: 0; }
}

.cloud-shape {
  position: absolute;
  background: rgba(200,200,200,0.7);
  border-radius: 50px;
  animation: cloudDrift linear infinite;
}

@keyframes cloudDrift {
  0% { transform: translateX(-200px); }
  100% { transform: translateX(calc(100vw + 200px)); }
}

.sun-shape {
  position: absolute;
  top: 20px;
  right: 40px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 30px rgba(255,224,102,0.8);
}

.sun-ray {
  position: absolute;
  width: 4px;
  height: 16px;
  background: var(--primary);
  top: 50%;
  left: 50%;
  transform-origin: center center;
  border-radius: 2px;
}

.day-counter {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.9);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  z-index: 20;
}

.skip-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 20;
}

/* ===== LOAN OPTIONS ===== */
.loan-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.loan-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.loan-option:hover {
  border-color: var(--primary);
  background: #FFFDE7;
}

.loan-option.selected {
  border-color: var(--primary);
  background: #FFF9C4;
}

.loan-option input[type="radio"] {
  margin-top: 3px;
  flex-shrink: 0;
}

.loan-option-text {
  flex: 1;
}

.loan-option-desc {
  font-size: 13px;
  color: #666;
  margin-top: 2px;
}

.audio-attribution {
  font-size: 11px;
  color: #999;
  text-align: center;
  margin-top: 8px;
  line-height: 1.4;
}

/* ===== CHART CONTAINER ===== */
.chart-container {
  margin: 16px 0;
  padding: 16px;
  background: #FAFAFA;
  border-radius: var(--radius);
}

.chart-container canvas {
  width: 100%;
  display: block;
}

/* ===== LEMON CROSS SECTION ===== */
.lemon-visual {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #FFFDE7 30%, #FFF9C4 50%, #FFE066 70%, #F5C800 100%);
  margin: 16px auto;
  position: relative;
  border: 3px solid #F5C800;
}

.lemon-visual::after {
  content: '33% juice';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

/* ===== RECIPE QUESTION LAYOUT ===== */
.question-group {
  margin: 20px 0;
  padding: 16px 20px;
  background: #FAFAFA;
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.question-text {
  font-size: 18px;
  margin-bottom: 10px;
}

.answer-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.answer-unit {
  font-size: 16px;
  color: var(--text-light);
}

/* ===== INVESTOR / PRICING ===== */
.pricing-display {
  text-align: center;
  padding: 24px;
  background: #FFFDE7;
  border-radius: var(--radius);
  margin: 16px 0;
}

.price-tag {
  font-family: var(--mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--text);
}

.profit-per-cup {
  font-size: 20px;
  margin-top: 8px;
}

.profit-positive { color: var(--success); }
.profit-negative { color: var(--error); }

/* ===== WARNING BOX ===== */
.warning-box {
  background: #FFF3E0;
  border: 2px solid var(--warning);
  border-radius: var(--radius);
  padding: 16px;
  margin: 12px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.warning-icon { font-size: 24px; }

/* ===== INFO BLOCK ===== */
.info-block {
  background: #E3F2FD;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 16px 0;
  font-size: 17px;
  line-height: 1.6;
}

.info-block strong { color: #1565C0; }

/* ===== FLEX HELPERS ===== */
.flex-row { display: flex; align-items: center; gap: 16px; }
.flex-col { display: flex; flex-direction: column; gap: 12px; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-8 { gap: 8px; }
.gap-24 { gap: 24px; }

/* ===== SPACING ===== */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ===== GLASS VISUAL ===== */
.glass-visual {
  width: 80px;
  height: 120px;
  border: 3px solid #B0BEC5;
  border-top: none;
  border-radius: 0 0 10px 10px;
  margin: 16px auto;
  position: relative;
  overflow: hidden;
  background: transparent;
}

.glass-water {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(66,165,245,0.3);
  transition: height 0.4s ease;
}

.glass-juice {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,235,59,0.5);
  transition: height 0.4s ease;
}

.glass-syrup {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,152,0,0.4);
  transition: height 0.4s ease;
}

/* ===== MORNING BRIEF ===== */
.weather-display {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius);
  margin: 16px 0;
}

.weather-icon { font-size: 64px; }

.weather-desc {
  font-size: 22px;
  font-weight: 600;
  margin: 8px 0;
}

.weather-temp {
  font-family: var(--mono);
  font-size: 28px;
}

/* ===== FINAL SUMMARY ===== */
.summary-header {
  text-align: center;
  padding: 32px 0;
  border-bottom: 2px solid #F5F5F5;
  margin-bottom: 24px;
}

.summary-header h1 { font-size: 36px; }

.summary-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.summary-stat {
  text-align: center;
  padding: 20px;
  background: #FAFAFA;
  border-radius: var(--radius);
}

.summary-stat-value {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 700;
}

.summary-stat-label {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 4px;
}

.highlight-best { border: 2px solid var(--success); background: #E8F5E9; }
.highlight-worst { border: 2px solid var(--error); background: #FFEBEE; }

/* ===== DAY SELECTOR ===== */
.day-selector {
  text-align: center;
  padding: 32px;
}

.day-selector .slider-value { font-size: 64px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .content { padding: 16px 12px 80px; }
  h1 { font-size: 26px; }
  h2 { font-size: 24px; }
  body { font-size: 18px; }
  .store-shelf { grid-template-columns: 1fr; }
  .summary-stats { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
}

/* ===== SETTINGS PAGE ===== */
.settings-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 32px 24px;
}

.settings-section {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.settings-section:last-child { border-bottom: none; }

.test-result {
  padding: 8px 12px;
  border-radius: 6px;
  margin-top: 8px;
  font-size: 14px;
}

.test-success { background: #E8F5E9; color: #2E7D32; }
.test-failure { background: #FFEBEE; color: #C62828; }