/**
 * DGA Application Form Styles - Enhanced
 * สไตล์สำหรับฟอร์มสมัครเข้าร่วมเป็นสมาชิกในหน่วยงาน
 * Version: 2.0.0
 */

 :root {
    /* สี Theme หลัก */
    --dga-primary: #0f4c81;          /* สีน้ำเงินเข้ม */
    --dga-primary-dark: #083860;     /* สีน้ำเงินเข้มกว่า สำหรับ hover */
    --dga-primary-light: #e6f0f9;    /* สีน้ำเงินอ่อน สำหรับพื้นหลัง */
    --dga-secondary: #f79539;        /* สีส้ม */
    --dga-secondary-dark: #e67e20;   /* สีส้มเข้ม สำหรับ hover */
    --dga-secondary-light: #fff3e6;  /* สีส้มอ่อน */
    
    /* สีองค์ประกอบ */
    --dga-success: #10b981;          /* สีเขียว - สำเร็จ */
    --dga-error: #e11d48;            /* สีแดง - ข้อผิดพลาด */
    --dga-warning: #f59e0b;          /* สีเหลือง - คำเตือน */
    
    /* สีข้อความ */
    --dga-text-dark: #1e293b;        /* สีข้อความหลัก */
    --dga-text-medium: #475569;      /* สีข้อความรอง */
    --dga-text-light: #64748b;       /* สีข้อความอธิบาย */
    
    /* สีพื้นหลัง */
    --dga-bg-primary: #ffffff;
    --dga-bg-secondary: #f8fafc;
    --dga-bg-tertiary: #f1f5f9;
    
    /* สีขอบ */
    --dga-border: #e2e8f0;
    
    /* ระยะขอบและมุม */
    --dga-radius: 8px;
    --dga-radius-sm: 4px;
    --dga-shadow: 0 4px 20px rgba(15, 76, 129, 0.1);
    --dga-transition: all 0.3s ease;
  }
  
  /* ============= ฟอร์มหลัก ============= */
  .dga-apv-container {
    max-width: 650px;
    margin: 2.5rem auto;
    padding: 2.5rem;
    background-color: var(--dga-bg-primary);
    border-radius: var(--dga-radius);
    box-shadow: var(--dga-shadow);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    border-top: 5px solid var(--dga-secondary);
    position: relative;
    overflow: hidden;
  }
  
  .dga-apv-container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, transparent 70%, var(--dga-primary-light) 100%);
    border-bottom-left-radius: 100%;
    z-index: 0;
    opacity: 0.7;
  }
  
  .dga-apv-title {
    color: var(--dga-primary);
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 2px solid var(--dga-secondary);
    font-size: 1.75rem;
    font-weight: 700;
    position: relative;
  }
  
  .dga-apv-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--dga-secondary);
    border-radius: 4px;
  }
  
  /* ============= ฟอร์มฟิลด์ ============= */
  .dga-apv-field {
    margin-bottom: 1.75rem;
    position: relative;
  }
  
  .dga-apv-field label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dga-text-dark);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--dga-transition);
  }
  
  .dga-apv-form input[type="text"],
  .dga-apv-form input[type="email"],
  .dga-apv-form select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--dga-border);
    border-radius: var(--dga-radius-sm);
    background-color: var(--dga-bg-secondary);
    color: var(--dga-text-dark);
    font-size: 1rem;
    transition: var(--dga-transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  }
  
  .dga-apv-form input[readonly] {
    background-color: var(--dga-bg-tertiary);
    cursor: not-allowed;
    border-color: var(--dga-border);
    color: var(--dga-text-medium);
    opacity: 0.9;
  }
  
  /* Style for select dropdown */
  .dga-apv-form select {
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%230f4c81" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M6 9l6 6 6-6"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
  }
  
  .dga-apv-form input:focus,
  .dga-apv-form select:focus {
    outline: none;
    border-color: var(--dga-primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
    background-color: var(--dga-bg-primary);
  }
  
  .dga-apv-desc {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--dga-text-light);
    font-style: italic;
    padding-left: 0.25rem;
  }
  
  /* ============= ปุ่มส่งข้อมูล ============= */
  .dga-apv-submit {
    text-align: center;
    margin-top: 2.5rem;
  }
  
  .dga-apv-submit-btn {
    background: linear-gradient(to right, var(--dga-primary), var(--dga-primary-dark));
    color: white;
    border: none;
    border-radius: var(--dga-radius);
    padding: 0.875rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--dga-transition);
    box-shadow: 0 4px 10px rgba(15, 76, 129, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  
  .dga-apv-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--dga-secondary), var(--dga-secondary-dark));
    transition: var(--dga-transition);
    z-index: -1;
  }
  
  .dga-apv-submit-btn:hover {
    box-shadow: 0 6px 15px rgba(15, 76, 129, 0.3);
    transform: translateY(-2px);
  }
  
  .dga-apv-submit-btn:hover::before {
    left: 0;
  }
  
  .dga-apv-submit-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 5px rgba(15, 76, 129, 0.2);
  }
  
  /* ============= การแจ้งเตือน ============= */
  .dga-apv-notification {
    padding: 1rem 1.25rem;
    border-radius: var(--dga-radius-sm);
    margin-bottom: 1.5rem;
    font-weight: 500;
    position: relative;
    animation: slideDown 0.4s ease-out;
    display: flex;
    align-items: center;
  }
  
  .dga-apv-notification::before {
    content: '';
    margin-right: 1rem;
    width: 24px;
    height: 24px;
    background-repeat: no-repeat;
    background-position: center;
  }
  
  .dga-apv-notification-success {
    background-color: #ecfdf5;
    color: #064e3b;
    border-left: 4px solid var(--dga-success);
  }
  
  .dga-apv-notification-success::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%2310b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M22 11.08V12a10 10 0 1 1-5.93-9.14"></path><polyline points="22 4 12 14.01 9 11.01"></polyline></svg>');
  }
  
  .dga-apv-notification-error {
    background-color: #fef2f2;
    color: #7f1d1d;
    border-left: 4px solid var(--dga-error);
  }
  
  .dga-apv-notification-error::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23e11d48" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><line x1="12" y1="8" x2="12" y2="12"></line><line x1="12" y1="16" x2="12.01" y2="16"></line></svg>');
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* ============= ข้อความผิดพลาด ============= */
  .dga-apv-error-message {
    display: flex;
    align-items: center;
    color: var(--dga-error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    animation: fadeIn 0.3s ease-out;
  }
  
  .dga-apv-error-message::before {
    content: '';
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%23e11d48" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><line x1="12" y1="8" x2="12" y2="12"></line><line x1="12" y1="16" x2="12.01" y2="16"></line></svg>');
    width: 16px;
    height: 16px;
    background-repeat: no-repeat;
    background-position: center;
    margin-right: 0.5rem;
  }
  
  .dga-apv-field-error {
    border-color: var(--dga-error) !important;
    background-color: rgba(225, 29, 72, 0.05) !important;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  
  /* ============= ตัวแสดงการโหลด ============= */
  .dga-apv-loading {
    text-align: center;
    padding: 3rem 0;
    animation: fadeIn 0.3s ease-out;
  }
  
  .dga-apv-spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(15, 76, 129, 0.1);
    border-radius: 50%;
    border-top-color: var(--dga-primary);
    border-left-color: var(--dga-secondary);
    animation: dga-apv-spin 1.2s ease-in-out infinite;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  }
  
  .dga-apv-loading p {
    color: var(--dga-text-medium);
    font-weight: 500;
    font-size: 1.125rem;
  }
  
  @keyframes dga-apv-spin {
    to {
      transform: rotate(360deg);
    }
  }
  
  /* ============= ข้อความสำเร็จ ============= */
  .dga-apv-success {
    text-align: center;
    padding: 2.5rem 1rem;
    animation: fadeScale 0.5s ease-out;
    background-color: var(--dga-primary-light);
    border-radius: var(--dga-radius);
    position: relative;
    overflow: hidden;
  }
  
  .dga-apv-success::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    background-color: rgba(247, 149, 57, 0.1);
    border-radius: 50%;
    z-index: 0;
  }
  
  .dga-apv-success::after {
    content: '';
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 150px;
    height: 150px;
    background-color: rgba(15, 76, 129, 0.05);
    border-radius: 50%;
    z-index: 0;
  }
  
  .dga-apv-success h3 {
    color: var(--dga-primary);
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
    position: relative;
    display: inline-block;
  }
  
  .dga-apv-success h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 3px;
    background-color: var(--dga-secondary);
    border-radius: 3px;
  }
  
  .dga-apv-success p {
    color: var(--dga-text-medium);
    margin-bottom: 1rem;
    font-size: 1.05rem;
    position: relative;
    z-index: 1;
  }
  
  #dga-apv-reference {
    font-weight: 700;
    color: var(--dga-primary);
    background-color: rgba(15, 76, 129, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--dga-radius-sm);
    display: inline-block;
    letter-spacing: 0.5px;
  }
  
  @keyframes fadeScale {
    from {
      opacity: 0;
      transform: scale(0.95);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  /* ============= อนิเมชั่นเครื่องหมายถูก ============= */
  .dga-apv-success-icon {
    display: block;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 1;
  }
  
  .dga-apv-checkmark-circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: var(--dga-primary);
    fill: none;
    animation: dga-apv-stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
  }
  
  .dga-apv-checkmark-circle-bg {
    fill: white;
    stroke: rgba(15, 76, 129, 0.1);
    stroke-width: 2;
  }
  
  .dga-apv-checkmark-check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    stroke: var(--dga-secondary);
    stroke-width: 3;
    animation: dga-apv-stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.6s forwards;
  }
  
  @keyframes dga-apv-stroke {
    100% {
      stroke-dashoffset: 0;
    }
  }
  
  /* ============= การออกแบบตอบสนอง ============= */
  @media screen and (max-width: 768px) {
    .dga-apv-container {
      padding: 1.75rem;
      margin: 1.5rem;
      width: auto;
    }
    
    .dga-apv-title {
      font-size: 1.5rem;
      margin-bottom: 1.5rem;
    }
    
    .dga-apv-submit-btn {
      width: 100%;
      padding: 0.75rem 1rem;
    }
  }
  
  @media screen and (max-width: 480px) {
    .dga-apv-container {
      padding: 1.25rem;
      margin: 1rem;
    }
    
    .dga-apv-title {
      font-size: 1.35rem;
    }
    
    .dga-apv-field {
      margin-bottom: 1.25rem;
    }
    
    .dga-apv-success h3 {
      font-size: 1.5rem;
    }
  }
  
  /* ============= การปรับปรุงการเข้าถึง WCAG 2.1 ============= */
  *:focus-visible {
    outline: 3px solid var(--dga-secondary);
    outline-offset: 2px;
  }
  
  /* เส้นใต้ที่แสดงเมื่อ focus ด้วย keyboard */
  .dga-apv-form input:focus-visible,
  .dga-apv-form select:focus-visible,
  .dga-apv-submit-btn:focus-visible {
    outline: 3px solid var(--dga-secondary);
    outline-offset: 2px;
  }
  
  /* สำหรับ screen readers */
  .screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
  }