:root {
  --bg: #f9f6f0;
  --surface: #ffffff;
  --surface-alt: #f3ede4;
  --text-main: #2b1f1a;
  --text-muted: #6e5f56;
  --border: #dfd4c8;
  --primary: #4a2e1f;
  --primary-hover: #382216;
  --primary-active: #27160d;
  --primary-contrast: #ffffff;
  
  --drink-iced-bg: #e8f4f8;
  --drink-iced-border: #bce3ee;
  --drink-iced-text: #005a78;
  
  --drink-hot-bg: #fdf0e6;
  --drink-hot-border: #f8cfb3;
  --drink-hot-text: #8e3800;

  --status-queued-bg: #e8f0fe;
  --status-queued-text: #1967d2;
  --status-queued-border: #aecbfa;

  --status-preparing-bg: #fef7e0;
  --status-preparing-text: #b06000;
  --status-preparing-border: #fdd663;

  --status-ready-bg: #0f5132;
  --status-ready-text: #ffffff;
  --status-ready-border: #0a3622;

  --status-collected-bg: #f1f3f4;
  --status-collected-text: #5f6368;
  --status-collected-border: #dadce0;

  --danger-bg: #fce8e6;
  --danger-text: #c5221f;
  --danger-border: #fad2cf;

  --shadow-sm: 0 1px 3px rgba(43, 31, 26, 0.08);
  --shadow-md: 0 4px 12px rgba(43, 31, 26, 0.1);
  --shadow-lg: 0 8px 24px rgba(43, 31, 26, 0.14);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 16px;
  min-height: 100vh;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 24px;
}

h1 {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1rem;
}

.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
  font-size: 1.05rem;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  min-height: 54px;
  font-size: 1.15rem;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--surface);
  color: var(--text-main);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="text"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 46, 31, 0.2);
}

.pin-input {
  letter-spacing: 0.35em;
  text-align: center;
  font-weight: bold;
  font-size: 1.5rem !important;
}

/* Button Grid for Drinks */
.drink-selection-title {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.drink-buttons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 12px;
}

@media (min-width: 480px) {
  .drink-buttons-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-weight: 600;
  font-size: 1.05rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
  min-height: 52px;
  padding: 12px 20px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-contrast);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: var(--surface-alt);
  color: var(--text-main);
  border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: #eae1d5;
}

.btn-drink {
  min-height: 72px;
  padding: 16px;
  flex-direction: column;
  justify-content: center;
  font-size: 1.15rem;
  border-width: 2px;
  box-shadow: var(--shadow-sm);
}

.btn-drink .drink-icon {
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 4px;
}

.btn-drink-iced {
  background-color: var(--drink-iced-bg);
  border-color: var(--drink-iced-border);
  color: var(--drink-iced-text);
}

.btn-drink-iced:hover:not(:disabled) {
  background-color: #d7edf4;
  border-color: #92d1e2;
}

.btn-drink-hot {
  background-color: var(--drink-hot-bg);
  border-color: var(--drink-hot-border);
  color: var(--drink-hot-text);
}

.btn-drink-hot:hover:not(:disabled) {
  background-color: #fae4d4;
  border-color: #f1b387;
}

/* Alerts and Banners */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-danger {
  background-color: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}

.alert-warning {
  background-color: #fef7e0;
  color: #7c4d00;
  border: 1px solid #fdd663;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.badge-iced {
  background-color: var(--drink-iced-bg);
  color: var(--drink-iced-text);
  border-color: var(--drink-iced-border);
}

.badge-hot {
  background-color: var(--drink-hot-bg);
  color: var(--drink-hot-text);
  border-color: var(--drink-hot-border);
}

.badge-queued {
  background-color: var(--status-queued-bg);
  color: var(--status-queued-text);
  border-color: var(--status-queued-border);
}

.badge-preparing {
  background-color: var(--status-preparing-bg);
  color: var(--status-preparing-text);
  border-color: var(--status-preparing-border);
}

.badge-ready {
  background-color: var(--status-ready-bg);
  color: var(--status-ready-text);
  border-color: var(--status-ready-border);
}

.badge-collected {
  background-color: var(--status-collected-bg);
  color: var(--status-collected-text);
  border-color: var(--status-collected-border);
}

/* Customer Order Status Page */
.order-code-box {
  text-align: center;
  padding: 16px;
  background-color: var(--surface-alt);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.order-code-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.order-code-value {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--primary);
  line-height: 1.1;
  font-family: monospace, -apple-system, sans-serif;
}

.order-details-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.order-details-row:last-of-type {
  border-bottom: none;
  margin-bottom: 20px;
}

.order-details-label {
  color: var(--text-muted);
  font-weight: 500;
}

.order-details-value {
  font-weight: 700;
  font-size: 1.1rem;
}

/* Status Panel */
.status-panel {
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  margin: 20px 0;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.status-panel-queued {
  background-color: var(--status-queued-bg);
  border-color: var(--status-queued-border);
  color: var(--status-queued-text);
}

.status-panel-preparing {
  background-color: var(--status-preparing-bg);
  border-color: var(--status-preparing-border);
  color: var(--status-preparing-text);
}

.status-panel-ready {
  background-color: var(--status-ready-bg);
  border-color: var(--status-ready-border);
  color: var(--status-ready-text);
  box-shadow: 0 0 0 4px rgba(15, 81, 50, 0.2);
}

.status-panel-collected {
  background-color: var(--status-collected-bg);
  border-color: var(--status-collected-border);
  color: var(--status-collected-text);
}

.status-panel-title {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 6px;
  line-height: 1.2;
}

.status-panel-ready .status-panel-title {
  font-size: 2.1rem;
  letter-spacing: 0.02em;
}

.status-panel-desc {
  font-size: 1.1rem;
  font-weight: 500;
  opacity: 0.95;
}

.order-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Barista View */
.barista-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.barista-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.counts-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.count-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.count-card-num {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.1;
}

.count-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.order-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.order-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-left: 6px solid var(--border);
}

.order-card-queued {
  border-left-color: var(--status-queued-text);
}

.order-card-preparing {
  border-left-color: var(--status-preparing-text);
}

.order-card-ready {
  border-left-color: var(--status-ready-bg);
}

.order-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.order-card-code {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: monospace, -apple-system, sans-serif;
  letter-spacing: 0.08em;
  color: var(--primary);
  line-height: 1;
}

.order-card-customer {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 4px;
  word-break: break-word;
}

.order-card-badges {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.order-card-wait {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-alt);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.order-card-actions {
  display: flex;
  margin-top: 4px;
}

.btn-advance {
  width: 100%;
  min-height: 56px;
  font-size: 1.1rem;
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.empty-state-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

footer {
  margin-top: auto;
  padding-top: 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--text-muted);
  text-decoration: underline;
}

footer a:hover {
  color: var(--primary);
}

/* Milk selection */
.milk-buttons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 12px;
}
@media (min-width: 480px) {
  .milk-buttons-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.btn-milk {
  min-height: 56px;
  padding: 12px;
  flex-direction: row;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
  background-color: #fff;
  border: 2px solid #d8cdbd;
  color: #5a4a3a;
}
.btn-milk .drink-icon {
  font-size: 1.35rem;
  margin-bottom: 0;
}
.btn-milk:hover:not(:disabled) {
  border-color: #b9a78f;
}
.btn-milk.is-selected {
  border-color: #8a5a2b;
  background-color: #f6ead9;
  box-shadow: inset 0 0 0 1px #8a5a2b;
}
.badge-milk {
  background-color: #f3e8d6;
  color: #6b4f2f;
  border-color: #d9c3a4;
}