:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --success-color: #2ECC71;
    --warning-color: #F1C40F;
    --danger-color: #E74C3C;
    --text-color: #2C3E50;
    --light-bg: #F7F9FC;
    --border-radius: 15px;
    --box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

body {
    background: linear-gradient(135deg, #FFE5E5 0%, #E3F2FD 100%);
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding: 2rem 0;
}

/* Welcome Page */
.welcome-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23FFE5E5" fill-opacity="1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.welcome-header {
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.sun-icon {
    font-size: 5rem;
    color: var(--warning-color);
    margin-bottom: 1rem;
    animation: rotate 20s linear infinite;
}

.welcome-container h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    font-weight: 800;
}

.welcome-image {
    width: 90%;
    max-width: 1200px;
    margin: 2rem auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 10px solid white;
    overflow: hidden;
    transform: perspective(1000px) rotateX(5deg);
    transition: transform 0.3s ease;
}

.welcome-image:hover {
    transform: perspective(1000px) rotateX(0deg);
}

.welcome-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.welcome-image:hover img {
    transform: scale(1.05);
}

/* Registration Button */
.register-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1rem 3rem;
    font-size: 1.3rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
}

.register-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.register-btn:hover::before {
    left: 100%;
}

.register-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* Form Container */
.form-page {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.form-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.form-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

/* Back Button */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.back-btn:hover {
    background: var(--primary-color);
    transform: translateX(-5px);
    color: white;
}

.back-btn i {
    font-size: 1.1em;
}

/* Step Indicator */
.step-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
    gap: 20px;
    position: relative;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.step::before {
    content: '';
    width: 40px;
    height: 40px;
    background: white;
    border: 2px solid var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.step.completed::before {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.step.active::before {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.step-label {
    font-size: 0.9em;
    color: var(--text-color);
    white-space: nowrap;
}

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

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 500;
}

/* Form Header */
.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.form-header h2 {
    color: var(--text-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.form-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.form-header p {
    color: #666;
    font-size: 1.1rem;
}

/* Form Groups */
.form-group {
    margin-bottom: 1.8rem;
    position: relative;
}

.form-label {
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-label i {
    margin-right: 0.5rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* Form Elements */
.form-control, .form-select {
    border-radius: 10px;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    transition: var(--transition);
    background: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

/* File Upload */
.form-control[type="file"] {
    padding: 1rem;
    background: white;
    border: 2px dashed var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

.form-control[type="file"]:hover {
    background: rgba(255, 107, 107, 0.05);
}

.form-control[type="file"]::-webkit-file-upload-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    margin-right: 1rem;
    transition: var(--transition);
}

.form-control[type="file"]::-webkit-file-upload-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Photo Preview */
.photo-preview {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    margin-top: 1rem;
    transition: var(--transition);
}

.photo-preview:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-text {
    color: #666;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Submit Button */
.form-buttons {
    text-align: center;
    margin-top: 2.5rem;
}

.submit-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.submit-btn i {
    margin-right: 0.5rem;
}

/* Alert Messages */
.alert {
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border: none;
    padding: 1rem 1.5rem;
}

.alert i {
    margin-right: 1rem;
    font-size: 1.2rem;
}

.alert-danger {
    background: #FFE5E5;
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-success {
    background: #E8F5E9;
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

/* Success Page */
.success-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #FFE5E5, #E3F2FD);
}

.success-content {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    max-width: 600px;
    width: 90%;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideUp 0.5s ease;
}

.success-icon {
    color: var(--success-color);
    font-size: 5rem;
    margin-bottom: 1.5rem;
    animation: bounce 2s infinite;
}

.success-title {
    color: var(--primary-color);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.success-message {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.success-details {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    text-align: left;
}

.success-details h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.success-details h4 i {
    font-size: 1.5rem;
}

.success-details p {
    margin-bottom: 0.8rem;
    color: var(--text-color);
    font-size: 1rem;
}

.success-details p i {
    color: var(--primary-color);
    margin-right: 0.5rem;
    width: 20px;
}

.success-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.success-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    min-width: 200px;
    justify-content: center;
}

.success-btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
}

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

.success-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.success-btn i {
    font-size: 1.2rem;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Responsive Design for Success Page */
@media (max-width: 768px) {
    .success-content {
        padding: 2rem;
        width: 95%;
    }
    
    .success-icon {
        font-size: 4rem;
    }
    
    .success-title {
        font-size: 2rem;
    }
    
    .success-message {
        font-size: 1.1rem;
    }
    
    .success-details {
        padding: 1.2rem;
    }
    
    .success-details h4 {
        font-size: 1.2rem;
    }
    
    .success-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .success-btn {
        width: 100%;
        padding: 0.8rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .success-container {
        padding: 1rem;
    }
    
    .success-content {
        padding: 1.5rem;
    }
    
    .success-icon {
        font-size: 3.5rem;
    }
    
    .success-title {
        font-size: 1.8rem;
    }
    
    .success-message {
        font-size: 1rem;
    }
    
    .success-details {
        padding: 1rem;
    }
    
    .success-details h4 {
        font-size: 1.1rem;
    }
    
    .success-details p {
        font-size: 0.9rem;
    }
    
    .success-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* Loading Animation */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.section-card {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.section-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.section-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    font-size: 1.5rem;
}

.input-group-text {
    background: var(--light-bg);
    border: 2px solid #e0e0e0;
    border-right: none;
    color: var(--primary-color);
}

.input-group .form-control {
    border-left: none;
}

.btn-upload {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 10px;
    padding: 1rem 2rem;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-upload::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-upload:hover::before {
    left: 100%;
}

.btn-upload:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-submit {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 10px;
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-submit:hover::before {
    left: 100%;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 0.5rem;
}