:root {
  --primary: #89201a;
  --secondary: #ceb080;
  --secondary-2: #778d88;
  --secondary-3: #f4efe6;
  --white: #ffffff;
  --text-dark: #333333;
  --text-light: #666666;
  --error: #e74c3c;
  --success: #2ecc71;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

@font-face {
    font-family: 'Sarabun';
    src: url('../fonts/sarabun/Sarabun-Medium.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Sarabun';
    src: url('../fonts/sarabun/Sarabun-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: 'Courier Prime';
    src: url('../fonts/courier-prime/CourierPrime-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Courier Prime';
    src: url('../fonts/courier-prime/CourierPrime-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

/* Base resets & typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Sarabun', sans-serif;
    background-color: var(--secondary-3);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Courier Prime', monospace;
    text-transform: uppercase;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

h2 {
    border-bottom: 2px solid var(--secondary-3);
    padding-bottom: 0.8rem;
    margin-bottom: 1.8rem;
}

/* Header */
.header {
    background-color: var(--primary);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(137, 32, 26, 0.4);
}

.header img {
    height: 60px;
    margin-right: 1.5rem;
    padding: 5px;
    border-radius: var(--border-radius);
}

.h-title {
    color: var(--primary);
    margin: 0;
    margin-bottom: 2rem;
    font-size: 24px;
    letter-spacing: 1px;
    text-align: center;
}

/* Wrapper */
.container {
    max-width: 800px;
    width: 90%;
    margin: 2rem auto;
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border-top: 5px solid var(--secondary);
}

/* Stepper */
.stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    position: relative;
    padding: 0 1rem;
}

.stepper::before {
    content: '';
    position: absolute;
    top: 35%;
    left: 20px;
    right: 20px;
    height: 3px;
    background-color: var(--secondary-3);
    z-index: 1;
}

.stepper-progress {
    position: absolute;
    top: 35%;
    left: 20px;
    height: 3px;
    background-color: var(--secondary-2);
    z-index: 1;
    transition: width 0.4s ease;
    width: 0%;
}

.step {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: transparent;
}

.step-circle {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--white);
    color: var(--secondary-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.2rem;
    border: 3px solid var(--secondary-3);
    transition: var(--transition);
}

.step.active .step-circle {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 0 0 5px rgba(137, 32, 26, 0.1);
}

.step.completed .step-circle {
    background-color: var(--secondary);
    color: var(--white);
    border-color: var(--secondary);
}

.step-label {
    margin-top: 0.8rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--secondary-2);
    transition: var(--transition);
}

.step.active .step-label {
    color: var(--primary);
}

.step.completed .step-label {
    color: var(--text-dark);
}

/* Forms */
.form-section {
    display: none;
    animation: slideUp 0.5s ease;
}

.form-section.active {
    display: block;
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--secondary-2);
    border-radius: var(--border-radius);
    font-family: 'Sarabun', sans-serif;
    font-size: 1rem;
    color: var(--text-dark);
    transition: var(--transition);
    background-color: #fcfcfc;
}

.form-control::placeholder {
    color: #aaa;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(206, 176, 128, 0.15);
    background-color: var(--white);
}

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

/* Errors */
.error-message {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.4rem;
    display: none;
    font-weight: 500;
}

.has-error .form-control {
    border-color: var(--error);
    background-color: rgba(231, 76, 60, 0.02);
}

.has-error .error-message {
    display: block;
    animation: shake 0.3s ease;
}

/* Actions */
.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--secondary-3);
}

.btn {
    padding: 0.85rem 1.8rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Sarabun', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-secondary {
    background-color: transparent;
    color: var(--secondary-2);
    border: 2px solid var(--secondary-2);
}

.btn-secondary:hover {
    background-color: var(--secondary-2);
    color: var(--white);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    background-color: #6d1914;
    border-color: #6d1914;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(137, 32, 26, 0.25);
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary) 0%, #a52a22 100%);
    border: 2px solid var(--primary);
    color: var(--white);
    font-size: 1.05rem;
    padding: 1rem 2.5rem;
    letter-spacing: 1.2px;
    box-shadow: 0 4px 15px rgba(137, 32, 26, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-submit:hover::before {
    width: 300px;
    height: 300px;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #6d1914 0%, var(--primary) 100%);
    border-color: #6d1914;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(137, 32, 26, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Checkbox container */
.checkbox-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem;
    margin-top: 2.5rem;
    padding: 1.2rem;
    background-color: #f7f9f8;
    border: 1px solid var(--secondary-2);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.checkbox-container.has-error {
    border-color: var(--error);
    background-color: rgba(231, 76, 60, 0.04);
}

.checkbox-container.has-error .error-message {
    display: block;
    animation: shake 0.3s ease;
}

.checkbox-container input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-container label {
    margin: 0;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-container a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.checkbox-container a:hover {
    color: var(--secondary);
    border-bottom-color: var(--secondary);
}

/* Utilities */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 600px) {
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .step-label {
        font-size: 0.75rem;
    }
    
    .container {
        padding: 1.5rem;
    }
    
    .form-actions {
        flex-direction: column-reverse;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }

    .header img {
        height: 50px;
        margin-right: 0;
    }

    .h-title, h2 {
        font-size: 20px !important;
    }
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background-color: var(--white);
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    box-shadow: 0 15px 50px rgba(0,0,0,0.3);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.show .modal-container {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--primary);
    color: var(--white);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-header h3 {
    margin: 0;
    color: var(--white);
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--secondary);
}

.modal-body {
    padding: 1.8rem;
    overflow-y: auto;
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

.modal-body h4 {
    color: var(--primary);
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.modal-body ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.modal-body p {
    margin-bottom: 1rem;
}

/* Feedback message */
#feedback-message {
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    display: none;
    text-align: center;
    font-weight: 600;
}

#feedback-message.success {
    display: block;
    background-color: rgba(46, 204, 113, 0.1);
    color: #27ae60;
    border: 1px solid var(--success);
}

#feedback-message.error {
    display: block;
    background-color: rgba(231, 76, 60, 0.1);
    color: #c0392b;
    border: 1px solid var(--error);
}