:root {
    --green: #4caf7d;
    --green-light: #d4edda;
    --green-hover: #3a9668;
    --gray-bg: #f7f8fa;
    --gray-border: #e2e6ea;
    --gray-text: #6c757d;
    --dark: #1e2330;
    --accent: #f0c040;
    --radius: 10px;
    --shadow: 0 2px 16px rgba(0,0,0,0.07);
  }
 
  body {
    font-family: 'Nunito', sans-serif;
    background: #eef1f6;
    min-height: 100vh;
    padding: 24px 16px 48px;
    color: var(--dark);
  }
 
  .booking-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow);
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
  }
 
  /* Header */
  .booking-header {
    background: var(--dark);
    color: #fff;
    padding: 20px 28px;
  }
 
  .booking-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(16px, 2.5vw, 20px);
    font-weight: 600;
    margin-bottom: 8px;
  }
 
  .booking-header p {
    font-size: 12px;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
  }
 
  /* Section */
  .section {
    padding: 24px 28px;
    border-bottom: 1px solid var(--gray-border);
  }
 
  .section:last-child { border-bottom: none; }
 
  .section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
    text-align: center;
  }
 
  /* Calendar grid */
  .calendars-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
 
  @media (max-width: 700px) {
    .calendars-wrapper {
      grid-template-columns: 1fr;
      gap: 16px;
    }
  }
 
  .calendar {
    min-width: 0;
  }
 
  .cal-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    position: relative;
  }
 
  .cal-month {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--dark);
  }
 
  .cal-nav {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-text);
    font-size: 16px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
    display: none;
  }
 
  .cal-nav:hover { color: var(--dark); background: var(--gray-bg); }
 
  /* Show nav only on first and last calendar */
  .calendar:first-child .cal-nav.prev,
  .calendar:last-child .cal-nav.next {
    display: block;
  }
 
  @media (max-width: 700px) {
    .cal-nav { display: block !important; }
    .calendar:not(.active-cal) { display: none; }
    .calendar.active-cal { display: block; }
  }
 
  .cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
  }
 
  .cal-day-name {
    text-align: center;
    font-size: 10px;
    font-weight: 700;
    color: var(--gray-text);
    text-transform: uppercase;
    padding: 4px 0;
  }
 
  .cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    color: var(--dark);
  }
 
  .cal-day:hover:not(.empty):not(.past) {
    background: var(--green-light);
    color: var(--green-hover);
  }
 
  .cal-day.empty { cursor: default; }
  .cal-day.past { color: #ccc; cursor: default; }
 
  .cal-day.available {
    background: var(--green);
    color: #fff;
    font-weight: 700;
  }
 
  .cal-day.available:hover {
    background: var(--green-hover);
    color: #fff;
  }
 
  .cal-day.selected {
    background: var(--dark);
    color: var(--accent);
    font-weight: 700;
  }
 
  .cal-day.today {
    border: 2px solid var(--accent);
  }
 
  /* Time slots */
  .times-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 8px;
  }
 
  .time-slot {
    border: 1.5px solid var(--gray-border);
    border-radius: var(--radius);
    padding: 10px 12px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--dark);
    background: var(--gray-bg);
    line-height: 1.4;
  }
 
  .time-slot small {
    display: block;
    font-size: 10px;
    font-weight: 400;
    color: var(--gray-text);
    margin-top: 2px;
  }
 
  .time-slot:hover {
    border-color: var(--green);
    background: var(--green-light);
    color: var(--green-hover);
  }
 
  .time-slot.selected {
    border-color: var(--green);
    background: var(--green);
    color: #fff;
  }
 
  .time-slot.selected small { color: rgba(255,255,255,0.8); }
 
  .times-count {
    font-size: 12px;
    color: var(--gray-text);
    margin-bottom: 14px;
    text-align: center;
  }
 
  /* Form */
  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
 
  @media (max-width: 560px) {
    .form-grid { grid-template-columns: 1fr; }
  }
 
  .form-left { display: flex; flex-direction: column; gap: 12px; }
  .form-right { display: flex; flex-direction: column; gap: 12px; }
 
  .form-field input,
  .form-field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--gray-border);
    border-radius: var(--radius);
    font-family: 'Nunito', sans-serif;
    font-size: 14px;
    color: var(--dark);
    background: var(--gray-bg);
    transition: border-color 0.15s;
    outline: none;
    resize: none;
  }
 
  .form-field input:focus,
  .form-field textarea:focus {
    border-color: var(--green);
    background: #fff;
  }
 
  .form-field input::placeholder,
  .form-field textarea::placeholder {
    color: #adb5bd;
  }
 
  .form-field textarea { height: 70px; }
 
  .checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 12px;
    color: var(--gray-text);
    line-height: 1.5;
  }
 
  .checkbox-row input[type="checkbox"] {
    margin-top: 2px;
    accent-color: var(--green);
    flex-shrink: 0;
    width: 15px;
    height: 15px;
  }
 
  .checkbox-row a {
    color: var(--green);
    text-decoration: underline;
  }
 
  .btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-family: 'Nunito', sans-serif;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    letter-spacing: 0.02em;
  }
 
  .btn-submit:hover { background: var(--green-hover); }
  .btn-submit:active { transform: scale(0.98); }
 
  /* Branding */
  .cal-brand {
    text-align: right;
    font-size: 10px;
    color: #ccc;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
  }
 
  @media (max-width: 480px) {
    .section { padding: 18px 16px; }
    .booking-header { padding: 16px; }
  }