Appointment Form in HTML and CSS

<script type="module" src="https://unpkg.com/ionicons@7.1.0/dist/ionicons/ionicons.esm.js"></script>
<script nomodule src="https://unpkg.com/ionicons@7.1.0/dist/ionicons/ionicons.js"></script>

<div class="container">
  <div class="form-header">
    <div class="icon-container">
      <ion-icon name="calendar-outline"></ion-icon>
    </div>
    <h1>Book an Appointment</h1>
    <p>Schedule your visit with us. We'll confirm your booking shortly.</p>
  </div>

  <div class="form-body">
    <div class="form-grid">
      <!-- Personal Information -->
      <div class="form-group">
        <label>
          <ion-icon name="person-outline"></ion-icon>
          First Name <span class="required">*</span>
        </label>
        <input type="text" placeholder="John" required>
      </div>

      <div class="form-group">
        <label>
          <ion-icon name="person-outline"></ion-icon>
          Last Name <span class="required">*</span>
        </label>
        <input type="text" placeholder="Doe" required>
      </div>

      <div class="form-group">
        <label>
          <ion-icon name="mail-outline"></ion-icon>
          Email Address <span class="required">*</span>
        </label>
        <input type="email" placeholder="john.doe@example.com" required>
      </div>

      <div class="form-group">
        <label>
          <ion-icon name="call-outline"></ion-icon>
          Phone Number <span class="required">*</span>
        </label>
        <input type="tel" placeholder="+1 (555) 123-4567" required>
      </div>

      <!-- Appointment Details -->
      <div class="form-group">
        <label>
          <ion-icon name="medkit-outline"></ion-icon>
          Service Type <span class="required">*</span>
        </label>
        <select required>
          <option value="">Select a service</option>
          <option value="consultation">General Consultation</option>
          <option value="checkup">Health Checkup</option>
          <option value="dental">Dental Care</option>
          <option value="therapy">Physical Therapy</option>
          <option value="vaccination">Vaccination</option>
          <option value="other">Other</option>
        </select>
      </div>

      <div class="form-group">
        <label>
          <ion-icon name="calendar-number-outline"></ion-icon>
          Preferred Date <span class="required">*</span>
        </label>
        <input type="date" required>
      </div>

      <!-- Time Slots -->
      <div class="form-group full-width">
        <label>
          <ion-icon name="time-outline"></ion-icon>
          Preferred Time Slot <span class="required">*</span>
        </label>
        <div class="time-slots">
          <div class="time-slot">
            <input type="radio" id="time1" name="time" value="09:00">
            <label for="time1">09:00 AM</label>
          </div>
          <div class="time-slot">
            <input type="radio" id="time2" name="time" value="10:00">
            <label for="time2">10:00 AM</label>
          </div>
          <div class="time-slot">
            <input type="radio" id="time3" name="time" value="11:00">
            <label for="time3">11:00 AM</label>
          </div>
          <div class="time-slot">
            <input type="radio" id="time4" name="time" value="12:00">
            <label for="time4">12:00 PM</label>
          </div>
          <div class="time-slot">
            <input type="radio" id="time5" name="time" value="14:00">
            <label for="time5">02:00 PM</label>
          </div>
          <div class="time-slot">
            <input type="radio" id="time6" name="time" value="15:00">
            <label for="time6">03:00 PM</label>
          </div>
          <div class="time-slot">
            <input type="radio" id="time7" name="time" value="16:00">
            <label for="time7">04:00 PM</label>
          </div>
          <div class="time-slot">
            <input type="radio" id="time8" name="time" value="17:00">
            <label for="time8">05:00 PM</label>
          </div>
        </div>
      </div>

      <!-- Additional Notes -->
      <div class="form-group full-width">
        <label>
          <ion-icon name="create-outline"></ion-icon>
          Additional Notes
        </label>
        <textarea placeholder="Any specific concerns or requirements..."></textarea>
      </div>

      <!-- Terms & Conditions -->
      <div class="form-group full-width">
        <div class="checkbox-group">
          <input type="checkbox" id="terms" required>
          <label for="terms">
            I agree to the terms and conditions and privacy policy <span class="required">*</span>
          </label>
        </div>
        <div class="checkbox-group">
          <input type="checkbox" id="reminders">
          <label for="reminders">
            Send me appointment reminders via email and SMS
          </label>
        </div>
      </div>
    </div>

    <button type="submit" class="submit-btn">
      <ion-icon name="checkmark-circle-outline"></ion-icon>
      Book Appointment
    </button>

    <div class="info-box">
      <ion-icon name="information-circle-outline"></ion-icon>
      <p>
        <strong>Important:</strong> You will receive a confirmation email within 24 hours. 
        Please arrive 15 minutes before your scheduled appointment. 
        For cancellations or rescheduling, contact us at least 24 hours in advance.
      </p>
    </div>
  </div>
</div>

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #e0fbfc 0%, #b8f2f3 100%);
            min-height: 100vh;
            padding: 2rem;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .container {
            background: white;
            max-width: 800px;
            width: 100%;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            animation: slideUp 0.6s ease-out;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .form-header {
            background: linear-gradient(135deg, #e0fbfc, #b8f2f3);
            padding: 3rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .form-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
            animation: float 15s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            50% { transform: translate(-30px, -30px) rotate(180deg); }
        }

        .icon-container {
            width: 80px;
            height: 80px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            position: relative;
            z-index: 1;
        }

        .icon-container ion-icon {
            font-size: 3rem;
            color: #3d9297;
        }

        .form-header h1 {
            color: #2c3e50;
            font-size: 2rem;
            margin-bottom: 0.5rem;
            position: relative;
            z-index: 1;
        }

        .form-header p {
            color: #546e7a;
            font-size: 1rem;
            position: relative;
            z-index: 1;
        }

        .form-body {
            padding: 2.5rem;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        label {
            font-weight: 500;
            color: #2c3e50;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        label ion-icon {
            font-size: 1.125rem;
            color: #3d9297;
        }

        .required {
            color: #e63946;
        }

        input[type="text"],
        input[type="email"],
        input[type="tel"],
        input[type="date"],
        input[type="time"],
        select,
        textarea {
            padding: 0.875rem 1rem;
            border: 2px solid #e0fbfc;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: all 0.3s ease;
            outline: none;
            background: #f8feff;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: #3d9297;
            background: white;
            box-shadow: 0 0 0 4px rgba(61, 146, 151, 0.1);
        }

        select {
            cursor: pointer;
            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 fill='%233d9297' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 1rem center;
            padding-right: 2.5rem;
        }

        textarea {
            resize: vertical;
            min-height: 100px;
        }

        .time-slots {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            gap: 0.75rem;
            margin-top: 0.5rem;
        }

        .time-slot {
            position: relative;
        }

        .time-slot input[type="radio"] {
            position: absolute;
            opacity: 0;
            cursor: pointer;
        }

        .time-slot label {
            display: block;
            padding: 0.75rem 0.5rem;
            border: 2px solid #e0fbfc;
            border-radius: 10px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background: #f8feff;
            font-weight: 500;
            font-size: 0.875rem;
            margin: 0;
        }

        .time-slot input[type="radio"]:checked + label {
            background: linear-gradient(135deg, #e0fbfc, #b8f2f3);
            border-color: #3d9297;
            color: #2c3e50;
            font-weight: 600;
        }

        .time-slot label:hover {
            border-color: #3d9297;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(61, 146, 151, 0.15);
        }

        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }

        .checkbox-group input[type="checkbox"] {
            width: 20px;
            height: 20px;
            cursor: pointer;
            accent-color: #3d9297;
        }

        .checkbox-group label {
            margin: 0;
            cursor: pointer;
            font-weight: normal;
            color: #546e7a;
            font-size: 0.875rem;
        }

        .submit-btn {
            width: 100%;
            padding: 1.125rem;
            background: linear-gradient(135deg, #3d9297, #2c7a7f);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.125rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            box-shadow: 0 6px 20px rgba(61, 146, 151, 0.3);
        }

        .submit-btn ion-icon {
            font-size: 1.5rem;
        }

        .submit-btn:hover {
            background: linear-gradient(135deg, #2c7a7f, #3d9297);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(61, 146, 151, 0.4);
        }

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

        .info-box {
            background: linear-gradient(135deg, #e0fbfc, #f8feff);
            border-left: 4px solid #3d9297;
            padding: 1rem 1.25rem;
            border-radius: 8px;
            margin-top: 1.5rem;
            display: flex;
            align-items: start;
            gap: 1rem;
        }

        .info-box ion-icon {
            font-size: 1.5rem;
            color: #3d9297;
            flex-shrink: 0;
            margin-top: 0.125rem;
        }

        .info-box p {
            color: #546e7a;
            font-size: 0.875rem;
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 768px) {
            body {
                padding: 1rem;
            }

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

            .form-header {
                padding: 2rem 1.5rem;
            }

            .form-body {
                padding: 1.5rem;
            }

            .time-slots {
                grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
            }
        }