/* MPC Fuel Service - Raycast-inspired Dark UI */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  color-scheme: dark;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bg: #0b0e11;
  --surface: #1e2329;
  --surface-strong: #2b3139;
  --surface-soft: rgba(250, 250, 250, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #ffffff;
  --text-muted: #929aa5;
  --text-subtle: #707a8a;
  --accent: #fcd535;
  --accent-active: #f0b90b;
  --on-accent: #181a20;
  --success: #0ecb81;
  --danger: #f6465d;
  --info: #3b82f6;
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  padding: 32px 24px 40px;
  background: radial-gradient(circle at top, rgba(85, 179, 255, 0.07), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
}

.container {
  width: min(1200px, 100%);
  margin: 0 auto;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
}

.brand .icon {
  width: 68px;
  min-width: 68px;
  height: 68px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.brand .icon img {
  width: 44px;
  height: auto;
}

.brand-content {
  display: grid;
  gap: 8px;
}

.brand-title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.brand-subtitle {
  margin: 0;
  max-width: 780px;
  color: var(--text-muted);
  font-size: 1rem;
}

.page-description {
  max-width: 720px;
  color: var(--text-muted);
  font-size: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  margin-bottom: 22px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.02),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.form-group {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) max-content;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}

.form-group > div {
  display: grid;
  gap: 8px;
}

.form-group label,
.form-group h4 {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-group h4 {
  font-size: 0.95rem;
  margin: 0;
}

input[type='date'],
input[type='number'],
input[type='text'],
input[type='password'] {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  outline: none;
  border-color: rgba(85, 179, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(85, 179, 255, 0.12);
}

.btn,
.refresh-btn,
.toggle-table-btn,
.copy-from-result-btn,
.update-btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 14px 22px;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  font-weight: 600;
}

.btn {
  background: var(--accent);
  color: var(--on-accent);
  border-color: transparent;
}

.btn:hover,
.refresh-btn:hover,
.toggle-table-btn:hover,
.copy-from-result-btn:hover,
.update-btn:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn:disabled,
.update-btn:disabled,
.refresh-btn:disabled,
.toggle-table-btn:disabled,
.copy-from-result-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.refresh-btn,
.toggle-table-btn,
.copy-from-result-btn {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
}

.update-btn.primary {
  background: var(--accent);
  color: white;
  border-color: transparent;
}

/* Đồng bộ màu cho cả hai nút cập nhật NH + HH và NR + HR */
.update-btn.primary.rong {
  background: var(--accent);
  color: white;
  border-color: transparent;
}

.update-btn.secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
}

.result-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.result-header h2 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
}

.price-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  padding: 12px 18px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 999px;
  font-weight: 700;
}

.info-grid,
.surcharge-grid,
.trf-std-grid,
.update-form-grid {
  display: grid;
  gap: 16px;
}

.surcharge-item.hang {
  background: rgba(252, 213, 53, 0.12);
}

.surcharge-item.rong {
  background: rgba(255, 255, 255, 0.04);
}

.info-grid {
  grid-template-columns: repeat( auto-fit, minmax(170px, 1fr) );
}

.info-item,
.surcharge-item,
.trf-std-card,
.update-form-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 18px;
}

.info-item label,
.trf-std-row .label,
.update-input-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.info-item span,
.surcharge-item .value,
.trf-std-row .value {
  display: block;
  color: var(--text);
  font-weight: 700;
  font-size: 1rem;
}

.info-item span {
  margin-top: 6px;
}

.surcharge-section h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.surcharge-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.surcharge-item {
  display: grid;
  gap: 10px;
  text-align: center;
}

.surcharge-item.hang {
  background: rgba(255, 99, 99, 0.08);
}

.surcharge-item.rong {
  background: rgba(85, 179, 255, 0.08);
}

.surcharge-item .size {
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.88;
}

.surcharge-item .value {
  font-size: 1.2rem;
}

.loading,
.trf-std-loading {
  display: grid;
  gap: 14px;
  justify-items: center;
  padding: 36px 0;
  color: var(--text-muted);
}

.loading .spinner,
.trf-std-loading .spinner {
  width: 42px;
  height: 42px;
  border: 4px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.error,
.trf-std-error,
.update-message {
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 0.95rem;
}

.error,
.trf-std-error {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.update-message.success {
  background: rgba(95, 201, 146, 0.12);
  border: 1px solid rgba(95, 201, 146, 0.18);
  color: #d9ffef;
}

.update-message.error {
  background: rgba(255, 99, 99, 0.12);
  border: 1px solid rgba(255, 99, 99, 0.18);
  color: #ffe0e2;
}

.hidden {
  display: none !important;
}

/* Responsive adjustments for iPhone X / XS */
@media (max-width: 420px) {
  body {
    padding: 20px 12px 24px;
  }

  .container {
    padding: 0;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-group {
    grid-template-columns: 1fr;
    gap: 12px;
    align-items: stretch;
  }

  .form-group > div {
    gap: 6px;
  }

  .card {
    padding: 20px;
  }

  .info-grid,
  .surcharge-grid,
  .trf-std-grid,
  .update-form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .surcharge-grid {
    grid-template-columns: 1fr;
  }

  .surcharge-item {
    padding: 16px;
  }

  .surcharge-item .value {
    font-size: 1.05rem;
  }

  .update-input-group,
  .trf-std-row {
    grid-template-columns: 1fr;
  }

  .update-btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .btn,
  .refresh-btn,
  .toggle-table-btn,
  .copy-from-result-btn,
  .update-btn {
    width: 100%;
    padding: 12px 14px;
  }

  #surchargeTableContainer {
    overflow-x: auto;
  }

  .surcharge-table {
    min-width: 720px;
  }

  .surcharge-table th,
  .surcharge-table td {
    padding: 10px 8px;
    font-size: 0.85rem;
  }

  .page-description,
  .surcharge-section h3,
  .result-header h2,
  .form-group h4 {
    font-size: 0.95rem;
  }
}

.surcharge-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--text);
}

.surcharge-table th,
.surcharge-table td {
  padding: 14px 12px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.surcharge-table thead {
  background: rgba(255, 255, 255, 0.04);
}

.surcharge-table th {
  font-weight: 700;
  color: var(--text);
}

.surcharge-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.surcharge-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.06);
}

.table-header-group.hang {
  background: rgba(255, 99, 99, 0.16);
}

.table-header-group.rong {
  background: rgba(85, 179, 255, 0.14);
}

.trf-std-grid,
.update-form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.trf-std-card-header,
.update-form-header {
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--text);
  margin-bottom: 16px;
}

.trf-std-card.hang .trf-std-card-header,
.update-form-card.hang .update-form-header {
  color: #ffb3b3;
}

.trf-std-card.rong .trf-std-card-header,
.update-form-card.rong .update-form-header {
  color: #a6d6ff;
}

.trf-std-card-body,
.update-form-body {
  display: grid;
  gap: 14px;
}

.trf-std-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.trf-std-row:last-child {
  border-bottom: none;
}

.update-input-group input {
  width: 100%;
  min-height: 48px;
}

.update-btn-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 860px) {
  .form-group {
    grid-template-columns: 1fr;
  }

  .page-header {
    align-items: stretch;
  }

  .trf-std-grid,
  .update-form-grid,
  .info-grid,
  .surcharge-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  body {
    padding: 20px 16px 32px;
  }

  .card {
    padding: 20px;
  }

  .result-header {
    flex-direction: column;
    align-items: stretch;
  }

  .form-group > div {
    width: 100%;
  }

  .btn,
  .refresh-btn,
  .toggle-table-btn,
  .copy-from-result-btn,
  .update-btn {
    width: 100%;
  }

  .brand-title {
    font-size: 2rem;
  }
}