/* StudyZONE International - Ortak CSS Stil Dosyası */
/* Tüm sistemler için kullanılacak modern, Airtable tarzı tasarım */

/* ===== RESET VE TEMEL STİLLER ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Inter', sans-serif;
    background: #f5f7fa;
    color: #2d3748;
    line-height: 1.6;
    min-height: 100vh;
    font-size: 14px;
}

/* ===== PAGE WRAPPER ===== */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== HEADER ===== */
.main-header {
    background: white;
    border-bottom: 1px solid #e8e8e8;
    padding: 20px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-section {
    flex-shrink: 0;
}

.logo {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.header-content h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.header-content p {
    color: #666;
    font-size: 16px;
    font-weight: 400;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    padding: 40px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== FORM CARD ===== */
.form-card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
}

.form-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* ===== CARD HEADER ===== */
.card-header {
    padding: 32px 32px 24px;
    background: #f7fafc;
    color: #2d3748;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}

.header-icon {
    width: 48px;
    height: 48px;
    background: #007bff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.header-icon i {
    font-size: 20px;
    color: white;
}

.card-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-header p {
    color: #666;
    font-size: 14px;
    max-width: 500px;
    margin: 0 auto;
}

/* ===== UPLOAD FORM ===== */
.upload-form {
    padding: 40px;
}

.upload-section {
    margin-bottom: 30px;
}

/* ===== INPUT CONTAINERS ===== */
.input-container {
    margin-bottom: 24px;
}

.input-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    padding: 12px 16px;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    border-left: 3px solid #007bff;
    transition: all 0.2s ease;
}

.input-label:hover {
    background: #edf2f7;
    border-color: #007bff;
}

.input-label i {
    color: #007bff;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* ===== EMAIL SECTION ===== */
.email-section {
    margin-bottom: 24px;
}

.email-input-container {
    margin-bottom: 24px;
}

.email-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    padding: 12px 16px;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    border-left: 3px solid #007bff;
    transition: all 0.2s ease;
}

.email-label:hover {
    background: #edf2f7;
    border-color: #007bff;
}

.email-label i {
    color: #007bff;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.email-input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #9ca3af;
    border-radius: 8px;
    font-size: 14px;
    color: #2d3748;
    background: #ffffff;
    transition: all 0.2s ease;
    font-family: inherit;
}

.email-input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.email-input::placeholder {
    color: #999;
    font-weight: 400;
}

.date-hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: #6b7280;
    font-style: italic;
    padding-left: 4px;
}

/* Form error stilleri */
.application-form input.error,
.application-form select.error,
.application-form textarea.error {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15) !important;
}

.application-form input.error:focus,
.application-form select.error:focus,
.application-form textarea.error:focus {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25) !important;
}

.email-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #6b7280;
    font-style: italic;
}

/* ===== SUCCESS SECTION ===== */
.success-section {
    padding: 40px 32px;
    text-align: center;
}

.success-content {
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    font-size: 64px;
    color: #10b981;
    margin-bottom: 24px;
}

.success-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 16px;
}

.success-content p {
    font-size: 18px;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 24px;
}

.success-details {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    margin-top: 24px;
}

.success-details p {
    margin-bottom: 12px;
    font-size: 16px;
}

.success-details p:last-child {
    margin-bottom: 0;
}

/* ===== ERROR SECTION ===== */
.error-section {
    padding: 40px 32px;
    text-align: center;
}

.error-content {
    max-width: 500px;
    margin: 0 auto;
}

.error-icon {
    font-size: 48px;
    color: #ef4444;
    margin-bottom: 20px;
}

.error-content h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
}

.error-content p {
    font-size: 16px;
    color: #6b7280;
    margin-bottom: 24px;
}

.retry-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.2s ease;
}

.retry-btn:hover {
    background: #0056b3;
}

/* ===== DOCUMENT INFO SECTION ===== */
.document-info-section {
    margin-bottom: 24px;
}

.info-input-container {
    margin-bottom: 24px;
}

.info-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    padding: 12px 16px;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    border-left: 3px solid #007bff;
    transition: all 0.2s ease;
}

.info-label:hover {
    background: #edf2f7;
    border-color: #007bff;
}

.info-label i {
    color: #007bff;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.info-input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #9ca3af;
    border-radius: 8px;
    font-size: 14px;
    color: #2d3748;
    background: #ffffff;
    transition: all 0.2s ease;
    font-family: inherit;
}

.info-input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.info-input::placeholder {
    color: #999;
    font-weight: 400;
}

/* ===== INPUT FIELDS ===== */
.input-field {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #9ca3af;
    border-radius: 8px;
    font-size: 14px;
    color: #2d3748;
    background: #ffffff;
    transition: all 0.2s ease;
    font-family: inherit;
}

.input-field:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.input-field::placeholder {
    color: #999;
    font-weight: 400;
}

/* ===== FILE INPUT ===== */
.file-input-container {
    margin-bottom: 24px;
}

.file-input-container input[type="file"] {
    display: none;
}

.file-input-label {
    display: block;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-input-label.hidden {
    display: none !important;
}

.label-content {
    background: #f7fafc;
    color: #2d3748;
    padding: 20px 16px;
    border: 2px dashed #007bff;
    border-radius: 10px;
    text-align: center;
    transition: all 0.2s ease;
}

.label-content:hover {
    background: #edf2f7;
    border-color: #0056b3;
}

.file-input-label.dragover .label-content {
    border-color: #0056b3;
    background: #e3f2fd;
}

.label-content i {
    font-size: 20px;
    margin-bottom: 8px;
    display: block;
    color: #007bff;
}

.primary-text {
    font-size: 16px;
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
    color: #2d3748;
}

.secondary-text {
    font-size: 14px;
    color: #666;
    font-weight: 400;
}

/* ===== DOCUMENT LABEL ===== */
.document-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    padding: 12px 16px;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    border-left: 3px solid #007bff;
    transition: all 0.2s ease;
}

.document-label:hover {
    background: #edf2f7;
    border-color: #007bff;
}

.document-label i {
    color: #007bff;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* ===== PHOTO LABEL ===== */
.photo-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    padding: 12px 16px;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    border-left: 3px solid #007bff;
    transition: all 0.2s ease;
}

.photo-label:hover {
    background: #edf2f7;
    border-color: #007bff;
}

.photo-label i {
    color: #007bff;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* ===== PREVIEW SECTION ===== */
.preview-section {
    margin-bottom: 30px;
    padding: 24px;
    background: #f7fafc;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    opacity: 1;
}

.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.preview-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.preview-header h3 i {
    color: #007bff;
}

.remove-file-btn {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 16px;
}

.remove-file-btn:hover {
    background: #c82333;
    transform: scale(1.05);
}

.image-preview-container {
    text-align: center;
}

#imagePreview {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 2px solid white;
}

/* ===== PDF PREVIEW ===== */
.pdf-preview {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    border: 2px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.pdf-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: #dc3545;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

/* PDF icon görünürlüğü: kırmızı arka plan üzerinde ikon beyaz olsun */
.pdf-icon i {
    color: #ffffff !important;
    font-size: 36px;
}

.pdf-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.pdf-info p {
    font-size: 14px;
    color: #666;
    margin-bottom: 4px;
}

/* ===== SUBMIT SECTION ===== */
.submit-section {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #e8e8e8;
}

.submit-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 140px;
    justify-content: center;
}

.submit-btn:hover {
    background: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

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

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ===== LOADING SECTION ===== */
.loading-section {
    padding: 60px 40px;
    text-align: center;
}

.loading-content {
    max-width: 400px;
    margin: 0 auto;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 24px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 12px;
}

.loading-content p {
    color: #666;
    font-size: 16px;
    margin-bottom: 24px;
}

.loading-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: #007bff;
    border-radius: 50%;
    animation: dots 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes dots {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ===== RESULTS SECTION ===== */
.results-section {
    padding: 40px;
}

.results-header {
    text-align: center;
    margin-bottom: 40px;
}

.success-icon {
    width: 48px;
    height: 48px;
    background: #28a745;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.success-icon i {
    font-size: 20px;
    color: white;
}

.results-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.results-header p {
    color: #666;
    font-size: 16px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.result-item {
    background: #f8f9fa;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.2s ease;
}

.result-item:hover {
    background: #f1f3f4;
    border-color: #007bff;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.result-label {
    font-size: 12px;
    font-weight: 600;
    color: #007bff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-label i {
    font-size: 14px;
    opacity: 0.8;
}

.result-value {
    font-size: 16px;
    font-weight: 500;
    color: #1a1a1a;
    word-break: break-word;
    line-height: 1.5;
}

/* ===== PDF DOWNLOAD SECTION ===== */
.pdf-download-section {
    background: #f8f9fa;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    margin-top: 30px;
}

.download-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
    color: #666;
    font-size: 16px;
}

.download-info i {
    color: #dc3545;
    font-size: 20px;
}

.download-btn {
    background: #dc3545;
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.download-btn:hover {
    background: #c82333;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

/* ===== ERROR SECTION ===== */
.error-section {
    padding: 60px 40px;
    text-align: center;
}

.error-content {
    max-width: 400px;
    margin: 0 auto;
}

.error-icon {
    width: 48px;
    height: 48px;
    background: #dc3545;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.error-icon i {
    font-size: 20px;
    color: white;
}

.warning-icon {
    width: 48px;
    height: 48px;
    background: #ffc107;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.warning-icon i {
    font-size: 20px;
    color: white;
}

.error-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.error-content p {
    color: #666;
    font-size: 16px;
    margin-bottom: 30px;
}

.retry-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.retry-btn:hover {
    background: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

/* ===== FOOTER ===== */
.main-footer {
    background: white;
    border-top: 1px solid #e8e8e8;
    padding: 24px 0;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-logo-img {
    height: 32px;
    width: auto;
    opacity: 0.7;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.footer-info {
    text-align: right;
}

.footer-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 4px;
    font-weight: 400;
}

.footer-info p:last-child {
    margin-bottom: 0;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .header-content h1 {
        font-size: 24px;
    }
    
    .card-header,
    .upload-form,
    .results-section,
    .error-section {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
    }
    
    .submit-btn {
        width: 100%;
        padding: 16px 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .card-header,
    .upload-form,
    .results-section,
    .error-section {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .header-content h1 {
        font-size: 20px;
    }
    
    .card-header h2 {
        font-size: 20px;
    }
    
    .remove-file-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .input-label,
    .input-field {
        padding: 14px 16px;
    }
}

/* ===== PDF PREVIEW STYLES ===== */
.image-preview-container img[src*="data:image/svg+xml"] {
    border: 2px dashed #dee2e6;
    border-radius: 12px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 24px;
    max-width: 100%;
    height: auto;
}

/* ===== PDF FILE TYPE INDICATOR ===== */
.pdf-preview {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border: 2px dashed #e2e8f0;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    color: #4a5568;
}

.pdf-preview i {
    font-size: 48px;
    margin-bottom: 16px;
    color: #dc3545;
}

.pdf-preview h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #2d3748;
}

.pdf-preview p {
    font-size: 14px;
    margin-bottom: 8px;
    color: #4a5568;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-card {
    animation: fadeInUp 0.6s ease-out;
}

.result-item {
    animation: fadeInUp 0.4s ease-out;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #007bff;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* ===== FOCUS STYLES ===== */
*:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* ===== SELECTION STYLES ===== */
::selection {
    background: rgba(0, 123, 255, 0.2);
    color: #1a1a1a;
}

/* ===== PRINT STYLES ===== */
@media print {
    .main-header,
    .main-footer,
    .submit-section,
    .loading-section {
        display: none !important;
    }
    
    .form-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    body {
        background: white;
    }
}

/* ===== MULTI-STEP FORM STYLES ===== */
.progress-container {
    padding: 32px 32px 24px;
    background: #f8f9fa;
    border-bottom: 1px solid #e8e8e8;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: #e8e8e8;
    border-radius: 2px;
    margin-bottom: 24px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #007bff;
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 16.66%; /* 1/6 steps */
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    position: relative;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #e8e8e8;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.step.active .step-number {
    background: #007bff;
    color: white;
}

.step.completed .step-number {
    background: #28a745;
    color: white;
}

.step-label {
    font-size: 12px;
    color: #666;
    text-align: center;
    font-weight: 500;
    transition: color 0.3s ease;
}

.step.active .step-label {
    color: #007bff;
    font-weight: 600;
}

.step.completed .step-label {
    color: #28a745;
    font-weight: 600;
}

/* ===== MOBİL RESPONSIVE TASARIM ===== */
@media (max-width: 768px) {
    /* Progress container'ı kompakt yap */
    .progress-container {
        padding: 20px 16px 16px;
    }
    
    /* Progress bar'ı göster, step'leri gizle */
    .progress-steps {
        display: none !important;
    }
    
    /* Progress bar'ı daha ince yap */
    .progress-bar {
        height: 3px;
        margin-bottom: 0;
    }
    
    /* Form step padding'ini azalt */
    .form-step {
        padding: 24px 16px;
    }
    
    /* Step header'ı daha kompakt yap */
    .step-header {
        margin-bottom: 20px;
    }
    
    .step-header h2 {
        font-size: 24px;
        margin-bottom: 8px;
    }
    
    .step-header p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    /* Progress container'ı daha da kompakt */
    .progress-container {
        padding: 16px 12px 12px;
    }
    
    /* Progress bar'ı en ince yap */
    .progress-bar {
        height: 2px;
    }
    
    /* Form step padding'ini daha da azalt */
    .form-step {
        padding: 20px 12px;
    }
    
    /* Step header'ı daha da kompakt */
    .step-header {
        margin-bottom: 16px;
    }
    
    .step-header h2 {
        font-size: 20px;
        margin-bottom: 6px;
    }
    
    .step-header p {
        font-size: 13px;
    }
    
    /* Form grid'i mobilde tek sütun yap */
    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .form-group.span-2 {
        grid-column: 1;
    }
}

/* Form Steps */
.form-step {
    display: none;
    padding: 40px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.form-step.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.4s ease-out;
}

.step-header {
    text-align: center;
    margin-bottom: 32px;
}

.step-icon {
    width: 64px;
    height: 64px;
    background: #007bff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.step-icon i {
    font-size: 24px;
    color: white;
}

.step-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.step-header p {
    color: #666;
    font-size: 16px;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

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

.form-group.span-2 {
    grid-column: span 2;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1.5px solid #9ca3af;
    border-radius: 6px;
    font-size: 14px;
    color: #333;
    background: white;
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Error states */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border: 2px solid #dc3545 !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15) !important;
}

.form-group input.error:focus,
.form-group select.error:focus,
.form-group textarea.error:focus {
    border: 2px solid #dc3545 !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25) !important;
}

/* Navigation Buttons */
.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 40px;
    border-top: 1px solid #e8e8e8;
    background: #f8f9fa;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 120px;
    justify-content: center;
}

.prev-btn {
    background: #6c757d;
    color: white;
}

.prev-btn:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

.next-btn {
    background: #007bff;
    color: white;
}

.next-btn:hover {
    background: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

.submit-btn {
    background: #28a745;
    color: white;
}

.submit-btn:hover {
    background: #218838;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.nav-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Responsive Design for Multi-Step Form */
@media (max-width: 768px) {
    .progress-steps {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .step {
        flex: 0 0 calc(33.333% - 16px);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.span-2 {
        grid-column: span 1;
    }
    
    .form-navigation {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }
    
    .nav-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .step {
        flex: 0 0 calc(50% - 16px);
    }
    
    .step-label {
        font-size: 11px;
    }
    
    .form-step {
        padding: 24px;
    }
    
    .step-header h2 {
        font-size: 20px;
    }
}

/* ===== HOMEPAGE STYLES ===== */
.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.system-card {
    background: white;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.system-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border-color: #007bff;
    text-decoration: none;
    color: inherit;
}

.system-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.system-icon i {
    font-size: 20px;
    color: white;
}

.system-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.system-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 16px;
}

.system-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.system-features li {
    font-size: 13px;
    color: #888;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.system-features li:before {
    content: "✓";
    color: #28a745;
    font-weight: bold;
}

.welcome-section {
    text-align: center;
    margin-bottom: 48px;
}

.welcome-section h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.welcome-section p {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .systems-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .welcome-section h1 {
        font-size: 24px;
    }
    
    .welcome-section p {
        font-size: 16px;
    }
}