* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Navigation */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 140px);
    padding: 2rem 0;
}

.header-section {
    text-align: center;
    margin-bottom: 3rem;
}

.header-section h1 {
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 2rem;
    font-weight: 700;
}

/* Tool Container */
.tool-container {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.input-section,
.output-section {
    margin-bottom: 1.5rem;
}

.input-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

textarea {
    width: 100%;
    min-height: 200px;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    resize: vertical;
    transition: border-color 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: #2563eb;
}

textarea[readonly] {
    background-color: #f9fafb;
}

/* Buttons */
.button-section {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background: #4b5563;
    transform: translateY(-2px);
}

.btn-success {
    background: #059669;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #047857;
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Stats */
.stats {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
    padding: 1rem;
    background: #f1f5f9;
    border-radius: 8px;
    flex-wrap: wrap;
}

.stats span {
    font-weight: 600;
    color: #475569;
}

/* Privacy Section */
.privacy-section {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.privacy-section h3 {
    color: #1e293b;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.privacy-section p {
    color: #64748b;
}

/* Footer */
.footer {
    background: #1e293b;
    color: #94a3b8;
    text-align: center;
    padding: 2rem 0;
    margin-top: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .header-section h1 {
        font-size: 2rem;
    }

    .button-section {
        flex-direction: column;
    }

    .stats {
        flex-direction: column;
        gap: 0.5rem;
    }

    .tool-container {
        padding: 1.5rem;
    }

    .output-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* Contact Page Styles */
.contact-content {
    display: flex;
    gap: 3rem;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.contact-info {
    flex: 1 1 300px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.07);
    padding: 2rem 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-form-section {
    flex: 1 1 350px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.07);
    padding: 2rem 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    color: #2563eb;
    font-size: 1.4rem;
    font-weight: 700;
}

.contact-form .form-group {
    margin-bottom: 1.2rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: #374151;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
    background: #f9fafb;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2563eb;
    background: #fff;
}

.contact-form button {
    width: 100%;
    margin-top: 0.5rem;
}

/* Center content for privacy and terms pages */
.policy-content {
    max-width: 700px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.07);
    padding: 2.5rem 2rem;
}

.policy-section + .policy-section {
    margin-top: 2rem;
}

.policy-section h2 {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 0.7rem;
    font-weight: 700;
    text-align: center;
}

.policy-section h3 {
    font-size: 1.2rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.page-header h1 {
    font-size: 2.7rem;
    color: #1e293b;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.5rem;
}

.page-header p {
    text-align: center;
    color: #64748b;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .contact-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    .policy-content {
        padding: 1.5rem 0.5rem;
    }
}