:root {
    --primary: #F8F3CE;
    --primary-light: #FFD54F;
    --primary-dark: #E6C142;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --white: #FFFFFF;
    --error: #EF4444;
    --error-light: #FEE2E2;
    --success: #fada38;
    --success-light: #D1FAE5;
    --warning: #f5900b;
    --warning-light: #FEF3C7;
    --info: #3B82F6;
    --info-light: #DBEAFE;
    --border-radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;

}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    max-width: 1000px;
    width: 100%;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

header {
    background: linear-gradient(120deg, var(--primary), var(--primary-dark));
    color: var(--gray-900);
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: rotate(30deg);
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    position: relative;
}

.logo img {
    height: 60px;
    margin-right: 15px;
}

.logo h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--gray-900);
}

.header-content p {
    font-size: 18px;
    margin-top: 10px;
    font-weight: 500;
    color: var(--gray-800);
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    padding: 25px 50px;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    position: relative;
}

.step {
    text-align: center;
    position: relative;
    flex: 1;
    z-index: 2;
}

.step:not(:last-child):after {
    content: '';
    position: absolute;
    top: 22px;
    right: -50%;
    width: 100%;
    height: 3px;
    background: var(--gray-300);
    z-index: 1;
    transition: var(--transition);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 10px;
    position: relative;
    z-index: 2;
    font-weight: 600;
    transition: var(--transition);
}

.step.active .step-number {
    background: var(--primary);
    color: var(--gray-900);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 10px rgba(248, 243, 206, 0.3);
}

.step.completed .step-number {
    background: var(--success);
    color: var(--white);
    border-color: var(--success);
    box-shadow: 0 4px 10px rgba(243, 255, 70, 0.3);
}

.step.completed:after {
    background: var(--success);
}

.step-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition);
}

.step.active .step-label {
    color: var(--gray-900);
    font-weight: 600;
}

.form-container {
    padding: 35px;
}

.form-section {
    display: none;
}

.form-section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

h2 {
    color: var(--gray-900);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gray-200);
    font-size: 24px;
    position: relative;
    font-weight: 700;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 70px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 15px;
}

input, select, textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    font-family: 'Montserrat', sans-serif;
    background: var(--white);
    color: var(--gray-800);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(248, 243, 206, 0.3);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.required:after {
    content: " *";
    color: var(--error);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    background: var(--gray-100);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.checkbox-item:hover {
    background: var(--gray-200);
}

.checkbox-item input {
    width: auto;
    margin-right: 10px;
}

.buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 35px;
}

button {
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-prev {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-prev:hover {
    background: var(--gray-300);
    transform: translateX(-3px);
}

.btn-next, .btn-submit {
    background: var(--primary);
    color: var(--gray-900);
    box-shadow: var(--shadow);
}

.btn-next:hover, .btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(248, 243, 206, 0.4);
}

.success-message {
    text-align: center;
    padding: 50px 40px;
    display: none;
    animation: fadeIn 0.8s ease;
}

.success-message i {
    font-size: 70px;
    color: var(--success);
    margin-bottom: 25px;
    animation: scaleUp 0.5s ease;
}

@keyframes scaleUp {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.success-message h2 {
    color: var(--success);
    border: none;
    margin-bottom: 20px;
    font-size: 28px;
}

.success-message h2::after {
    display: none;
}

.success-message p {
    font-size: 17px;
    line-height: 1.6;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

footer {
    text-align: center;
    padding: 25px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 14px;
    border-top: 1px solid var(--gray-200);
}

.position-container {
    display: flex;
    gap: 25px;
    margin-bottom: 25px;
}

.position-box {
    flex: 1;
    padding: 20px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: var(--gray-100);
    transition: var(--transition);
}

.position-box:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.position-box h3 {
    margin-bottom: 18px;
    color: var(--gray-900);
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.position-box h3 i {
    font-size: 20px;
    color: var(--primary-dark);
}

.position-detail {
    background: var(--primary-light);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-dark);
}

.position-detail h4 {
    margin-bottom: 15px;
    color: var(--gray-900);
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.position-detail h4 i {
    font-size: 20px;
}

.sub-section {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: var(--gray-100);
}

.sub-section h3 {
    color: var(--gray-900);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-300);
}

/* Styles for different question types */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.radio-item {
    display: flex;
    align-items: center;
    background: var(--gray-100);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.radio-item:hover {
    background: var(--gray-200);
}

.radio-item input {
    width: auto;
    margin-right: 10px;
}

.scale-container {
    margin-top: 10px;
}

.scale-container input[type="range"] {
    width: 100%;
    margin: 10px 0;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--gray-300);
    outline: none;
    border-radius: 4px;
}

.scale-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
}

.scale-labels {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 5px;
}

.scale-container output {
    display: block;
    text-align: center;
    font-weight: bold;
    margin-top: 5px;
    font-size: 16px;
    color: var(--primary-dark);
}

.grid-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.grid-item {
    background: var(--gray-100);
    padding: 10px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.grid-item:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

.time-input {
    display: flex;
    gap: 10px;
    align-items: center;
}

.time-input input {
    flex: 1;
}

/* New styles for application type selection */
.application-type-container {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.application-type {
    flex: 1;
    padding: 25px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--gray-100);
}

.application-type:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.application-type.selected {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.application-type i {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.application-type h3 {
    margin-bottom: 10px;
    color: var(--gray-900);
}

.application-type p {
    color: var(--gray-600);
    font-size: 14px;
}

/* Styles for MD sub-department selection */
.md-sub-departments {
    margin-top: 15px;
    padding: 15px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
}

/* Tab styles for section 3 */
.tab-container {
    margin-bottom: 25px;
}

.tab-buttons {
    display: flex;
    border-bottom: 1px solid var(--gray-300);
    margin-bottom: 20px;
}

.tab-button {
    padding: 12px 24px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    margin-right: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    color: var(--gray-700);
}

.tab-button.active {
    background: var(--primary);
    color: var(--gray-900);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* Intro section spacing */
#intro-info-container {
    font-size: 16px;
    line-height: 1.8;
}

#intro-info-container p {
    margin-bottom: 18px;
}

#intro-info-container h2,
#intro-info-container h3 {
    margin-top: 25px;
    margin-bottom: 15px;
    line-height: 1.4;
}

#intro-info-container ul,
#intro-info-container ol {
    margin: 15px 0;
    padding-left: 25px;
}

#intro-info-container li {
    margin-bottom: 8px;
}

.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);

    background: var(--primary);
    color: var(--gray-900);
    box-shadow: var(--shadow);
}

.btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(248, 243, 206, 0.4);
}

.btn-login i {
    font-size: 18px;
    line-height: 1;
    color: var(--gray-900);
}
.login-redirect {
    margin-top: 40px;
    text-align: center;
}

.login-redirect h3 {
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.login-redirect #redirectMsg {
    margin-top: 15px;
    font-size: 14px;
    font-style: italic;
    color: var(--gray-500);
}
.question-media {
  text-align: center; /* căn giữa ảnh */
  margin: 10px 0;
}

.question-media .question-img {
  max-width: 100%;   /* vừa khung cha */
  height: auto;
  border-radius: 8px; /* bo góc nhẹ, optional */
  box-shadow: 0 2px 6px rgba(0,0,0,0.15); /* đổ bóng nhẹ, optional */
}

/* Responsive styles */
@media (max-width: 900px) {
    .progress-bar {
        padding: 20px 30px;
    }
    
    .step:not(:last-child):after {
        right: -40%;
    }
    
    .form-container {
        padding: 25px;
    }
    
    .position-container {
        flex-direction: column;
    }
    
    .application-type-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    .container {
        border-radius: var(--border-radius);
    }
    
    header {
        padding: 25px 20px;
    }
    
    .logo h1 {
        font-size: 26px;
    }
    
    .progress-bar {
        padding: 15px 20px;
        flex-wrap: wrap;
    }
    
    .step {
        flex: 0 0 50%;
        margin-bottom: 20px;
    }
    
    .step:not(:last-child):after {
        display: none;
    }
    
    .form-container {
        padding: 20px;
    }
    
    .buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    button {
        width: 100%;
        justify-content: center;
    }
    
    h2 {
        font-size: 22px;
    }
    
    .tab-buttons {
        flex-wrap: wrap;
    }
    
    .tab-button {
        margin-bottom: 5px;
    }
}

@media (max-width: 480px) {
    .step {
        flex: 0 0 100%;
    }
    
    .logo {
        flex-direction: column;
        text-align: center;
    }
    
    .logo img {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .checkbox-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .checkbox-item {
        width: 100%;
    }
}
/* Style riêng cho lịch phỏng vấn */
#interview-questions .checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); /* tự động chia cột */
  gap: 15px;
}

#interview-questions .checkbox-item {
  background: var(--gray-100);
  padding: 12px 16px;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-300);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

#interview-questions .checkbox-item:hover {
  background: var(--primary-light);
  border-color: var(--primary-dark);
}

#interview-questions input[type="checkbox"] {
  margin-right: 10px;
  width: 18px;
  height: 18px;
}

#interview-questions label {
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
}
#interview-questions input[type="checkbox"]:checked + label {
  color: var(--gray-900);
  font-weight: 600;
}

#interview-questions input[type="checkbox"]:checked + label::before {
  content: "✔ ";
  color: var(--primary-dark);
}