:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-gradient: linear-gradient(135deg, #81FBB8 0%, #28C76F 100%);
    --warning-gradient: linear-gradient(135deg, #FFE17D 0%, #FFCD3C 100%);
    --error-gradient: linear-gradient(135deg, #FF8A80 0%, #FF5722 100%);
    --dark-gradient: linear-gradient(135deg, #2C3E50 0%, #3498DB 100%);
    --light-gradient: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-white: #ffffff;
    --bg-gray: #f7fafc;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: var(--primary-gradient);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo {
    height: 60px;
    margin-top: 7px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.login-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.signup-btn {
    background: var(--accent-gradient);
    font-weight: 600;
    box-shadow: var(--shadow);
}

.signup-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-toggle {
    display: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
    background: var(--primary-gradient);
    padding: 150px 0 100px;
    color: white;
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
    position: relative;
    z-index: 2;
}

.dashboard-preview {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    transform: perspective(1000px) rotateX(5deg);
    transition: transform 0.3s ease;
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateX(0deg) translateY(-10px);
}

.preview-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.preview-dots {
    display: flex;
    gap: 0.5rem;
    margin-right: 1rem;
}

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff5f57;
}

.preview-dots span:nth-child(2) {
    background: #ffbd2e;
}

.preview-dots span:nth-child(3) {
    background: #28ca42;
}

.preview-title {
    font-weight: 600;
    color: var(--text-dark);
}

.preview-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-gradient);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
}

.stat i {
    color: #667eea;
}

.inbox-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-gray);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.inbox-from {
    font-weight: 600;
    color: var(--text-dark);
}

.inbox-subject {
    color: var(--text-light);
    font-size: 0.875rem;
}

.inbox-time {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.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: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-gray);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
}

.btn-danger {
    background: var(--error-gradient);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.full-width {
    width: 100%;
    justify-content: center;
}

.btn-loader {
    display: none;
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .btn-loader {
    display: flex;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 100px 0;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(102,126,234,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.feature-card {
    padding: 2rem;
    border-radius: 16px;
    background: white;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--primary-gradient);
    color: white;
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="waves" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M0,50 Q25,25 50,50 T100,50 V100 H0 Z" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23waves)"/></svg>');
}

.pricing .section-title {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.pricing .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    color: var(--text-dark);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box, var(--accent-gradient) border-box;
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gradient);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 2rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.period {
    font-size: 1rem;
    color: var(--text-light);
    margin-left: 0.5rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.pricing-features i {
    color: #28ca42;
    font-size: 0.875rem;
}

/* How it Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-card::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -1rem;
    width: 2rem;
    height: 2px;
    background: var(--primary-gradient);
    opacity: 0.3;
}

.step-card:last-child::after {
    display: none;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.step-content p {
    color: var(--text-light);
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--light-gradient);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-lg);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-gray);
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--text-light);
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
    color: #667eea;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--dark-gradient);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    z-index: 2;
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--primary-gradient);
    position: relative;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="auth-pattern" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23auth-pattern)"/></svg>');
}

.auth-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 750px;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s ease-out;
    position: relative;
    z-index: 2;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    height: 60px;
    margin-bottom: 1.5rem;
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.auth-header p {
    color: var(--text-light);
}

.auth-form {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input[type="file"] {
    display: none;
}

.file-upload-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-gray);
}

.file-upload-text:hover {
    border-color: #667eea;
    background: white;
}

.file-upload-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(90deg, #667eea, #00f2fe);
    color: #fff;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 0.2rem;
    transition: background 0.18s, color 0.18s;
    border: none;
    box-shadow: 0 2px 8px 0 rgba(44,62,80,0.08);
}
.file-upload-label:hover {
    background: linear-gradient(90deg, #4b2996, #00bcd4);
    color: #fff;
}
.file-upload-label i {
    font-size: 1.1em;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
}

.checkmark {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-footer {
    text-align: center;
    color: var(--text-light);
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.success-message,
.error-message {
    display: none;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
}

.success-message {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-message {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.success-message.show,
.error-message.show {
    display: block;
    animation: slideIn 0.3s ease-out;
}

.success-message i,
.error-message i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.success-message h3 {
    margin: 0.5rem 0;
    font-size: 1.25rem;
}

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.sidebar {
    width: 250px;
    background: white;
    box-shadow: var(--shadow);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--primary-gradient);
}

.sidebar-logo {
    height: 60px;
    margin-left: 30px;
    width: auto;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-gradient);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-item:hover::before,
.nav-item.active::before {
    transform: scaleY(1);
}

.nav-item:hover,
.nav-item.active {
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.1) 0%, transparent 100%);
    color: #667eea;
}

.nav-item i {
    font-size: 1.125rem;
    width: 20px;
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 2rem;
    min-height: 100vh;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
}

.top-bar h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    flex-direction: column;
    text-align: right;
}

.welcome-text {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 600;
}

.plan-info {
    font-size: 0.875rem;
    color: var(--text-light);
}

.alert-container {
    margin-bottom: 1rem;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease-out;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert-error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.content-sections {
    position: relative;
}

.content-section {
    display: none;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
}

.content-section.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.stat-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.stat-content p {
    color: var(--text-light);
    font-size: 0.875rem;
}

.quick-actions {
    margin-top: 2rem;
}

.quick-actions h2 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.section-header {
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.section-header p {
    color: var(--text-light);
}

.create-email-form {
    max-width: 600px;
    margin-bottom: 2rem;
}

.email-input-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.25rem;
}

.email-input-container input {
    flex: 1;
    border: none;
    padding: 0.5rem;
    background: transparent;
}

.email-input-container input:focus {
    outline: none;
    box-shadow: none;
}

.email-separator {
    font-weight: 600;
    color: var(--text-dark);
    padding: 0 0.5rem;
}

.email-input-container select {
    flex: 1;
    border: none;
    padding: 0.5rem;
    background: transparent;
}

.email-input-container select:focus {
    outline: none;
    box-shadow: none;
}

.message-container {
    margin-top: 1rem;
}

.message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.message-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid #28a745;
}

.message-error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.message-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border-left: 4px solid #ffc107;
}

.inbox-controls {
    display: flex;
    gap: 1rem;
    align-items: end;
    margin-bottom: 2rem;
}

.inbox-controls .form-group {
    flex: 1;
    margin-bottom: 0;
}

.inbox-content {
    min-height: 300px;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.email-list {
    space-y: 1rem;
}

.email-item {
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    background: white;
    transition: all 0.3s ease;
}

.email-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.email-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
}

.email-from {
    font-weight: 600;
    color: var(--text-dark);
}

.email-date {
    font-size: 0.875rem;
    color: var(--text-light);
}

.email-subject {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.email-body {
    color: var(--text-light);
    line-height: 1.6;
}

.history-content {
    min-height: 300px;
}

.history-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.history-item {
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: white;
    transition: all 0.3s ease;
}

.history-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.history-item h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.history-item p {
    color: var(--text-light);
    font-size: 0.875rem;
}

.settings-content {
    max-width: 600px;
}

.settings-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.settings-card:hover {
    box-shadow: var(--shadow-lg);
}

.settings-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.setting-item label {
    font-weight: 600;
    color: var(--text-dark);
}

.setting-item span {
    color: var(--text-light);
    font-weight: 500;
}

.renew-form {
    margin-top: 1rem;
}

.renewal-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.renewal-warning i {
    color: #856404;
    font-size: 1.25rem;
}

.renewal-warning-text {
    color: #856404;
}

.renewal-warning-text h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.renewal-warning-text p {
    font-size: 0.875rem;
    margin: 0;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(-100%);
        opacity: 1;
    }
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-gradient);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .step-card::after {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .mobile-menu-toggle {
        display: block;
        position: fixed;
        top: 20px;
        left: 20px;
        width: 48px;
        height: 48px;
        background: var(--primary-gradient);
        border: none;
        border-radius: 12px;
        color: white;
        font-size: 1.2rem;
        cursor: pointer;
        z-index: 1001;
        box-shadow: var(--shadow-lg);
        transition: all 0.3s ease;
    }
    
    .sidebar {
        transform: translateX(-100%);
        left: 0;
        top: 0;
        height: 100vh;
        width: 250px;
        position: fixed;
        z-index: 1002;
        transition: transform 0.3s ease;
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        transition: margin-left 0.3s ease;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0,0,0,0.3);
        z-index: 1001;
        transition: opacity 0.3s ease;
        opacity: 0;
    }
    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
    .main-content {
        margin-left: 0;
        padding: 1rem 0.5rem;
        width: 100vw;
        max-width: 100vw;
        box-sizing: border-box;
        overflow-x: hidden;
    }
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        width: 100%;
        margin: 0;
    }
    .stat-card {
        width: 100%;
        min-width: 0;
        box-sizing: border-box;
        margin: 0 auto 1rem auto;
        padding: 1rem;
    }
    .dashboard-container {
        width: 100vw;
        max-width: 100vw;
        overflow-x: hidden;
    }
    .top-bar {
        padding: 0.5rem 0.5rem;
        margin-bottom: 1rem;
        min-height: unset;
        align-items: center;
        gap: 0.5rem;
    }
    .top-bar h1 {
        font-size: 1rem;
        margin-bottom: 0;
    }
    .user-info {
        font-size: 0.95rem;
        gap: 0.1rem;
    }
    .welcome-text {
        font-size: 1rem;
        font-weight: 500;
    }
    .plan-info {
        font-size: 0.85rem;
    }
    .btn-danger {
        padding: 0.9rem 0.9rem;
        font-size: 1.1rem;
        min-width: unset;
        border-radius: 8px;
    }
    .stat-content h3 {
        font-size: 1.25rem;
    }
    .stat-content p {
        font-size: 0.95rem;
    }
    .quick-actions h2 {
        font-size: 1.1rem;
    }
    .stat-card {
        padding: 0.75rem;
    }
    .main-content {
        font-size: 0.98rem;
    }
    .dashboard-title {
        font-size: 1.5rem;
        font-weight: 700;
        color: #111;
        margin-bottom: 1rem;
        margin-top: 0.5rem;
        letter-spacing: -1px;
        text-align: center;
    }
    @media (max-width: 768px) {
        .dashboard-title {
            font-size: 2rem;
            margin-bottom: 0.8rem;
            margin-top: 0.2rem;
            text-align: center;
            color: #111;
        }
    }
    .mobile-menu-toggle {
        top: 25px;
    }
}

.quick-actions-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 16px 0 rgba(44,62,80,0.07);
    padding: 1.2rem 1.2rem 1.5rem 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}
.quick-actions-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 1.1rem;
    border-left: 4px solid #6c47c7;
    padding-left: 0.7rem;
    letter-spacing: -0.5px;
}
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.btn-primary, .btn-secondary {
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 2px 8px 0 rgba(102,126,234,0.08);
    transition: transform 0.13s, box-shadow 0.13s;
}
.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 18px 0 rgba(102,126,234,0.13);
}
@media (max-width: 768px) {
    .quick-actions-card {
        padding: 1rem 0.7rem 1.2rem 0.7rem;
        border-radius: 12px;
        margin-top: 1.1rem;
        margin-bottom: 1.1rem;
    }
    .quick-actions-title {
        font-size: 1rem;
        padding-left: 0.5rem;
        margin-bottom: 0.7rem;
    }
    .action-buttons {
        gap: 0.6rem;
    }
    .btn-primary, .btn-secondary {
        font-size: 0.98rem;
        border-radius: 8px;
        padding: 0.7rem 0.5rem;
    }
}
.quick-actions-card .btn-primary, .quick-actions-card .btn-secondary {
    background: #fff;
    color: #3a2e7c;
    border: none;
    border-radius: 14px;
    box-shadow: 0 2px 8px 0 rgba(44,62,80,0.10);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1rem 1.1rem;
    font-size: 1.08rem;
    transition: box-shadow 0.18s, transform 0.18s, background 0.18s, color 0.18s;
}
.quick-actions-card .btn-primary i {
    font-size: 1.35em;
    color: #667eea;
}
.quick-actions-card .btn-secondary i {
    font-size: 1.35em;
    color: #00bcd4;
}
.quick-actions-card .btn-primary:hover, .quick-actions-card .btn-secondary:hover {
    box-shadow: 0 8px 24px 0 rgba(44,62,80,0.16);
    transform: translateY(-2px) scale(1.03);
    background: #f7faff;
    color: #222;
}
.payment-details-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 12px 0 rgba(44,62,80,0.08);
    padding: 1.2rem 1.5rem 1.2rem 1.5rem;
    margin-bottom: 1.2rem;
}
.payment-details-card h3 {
    margin-bottom: 0.7rem;
    font-size: 1.1rem;
    color: #6c47c7;
    font-weight: 700;
}
.payment-details-list {
    list-style: disc inside;
    padding-left: 0.5rem;
    margin-bottom: 0;
}
.payment-details-list li {
    margin-bottom: 0.7rem;
    font-size: 1rem;
    line-height: 1.7;
}
.payment-section {
    margin-bottom: 1.1rem;
}
.payment-section-title {
    font-size: 1.08rem;
    color: #6c47c7;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.payment-row {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.3rem;
    font-size: 1rem;
    flex-wrap: nowrap;
}
@media (max-width: 600px) {
    .payment-row {
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.3rem;
    }
}
.payment-label {
    font-weight: 600;
    min-width: 120px;
    color: #222;
}
.payment-value {
    font-family: 'Inter', monospace;
    color: #3a2e7c;
    font-size: 1.01em;
}
.copy-btn {
    background: #f3f4fa;
    border: none;
    border-radius: 6px;
    padding: 0.25rem 0.6rem;
    margin-left: 0.3rem;
    color: #6c47c7;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    vertical-align: middle;
    display: inline-flex;
    align-items: center;
}
.copy-btn i {
    font-size: 1.1em;
}
.copy-btn:hover {
    background: #e6e6fa;
    color: #4b2996;
}
@media (max-width: 600px) {
    .payment-row {
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.3rem;
    }
    .payment-label {
        min-width: 0;
    }
    .payment-details-card {
        margin: 0 auto;
        text-align: center;
    }
    .payment-section-title {
        text-align: center;
    }
    .payment-row {
        justify-content: center;
    }
}
.agree-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 1rem;
}
@media (min-width: 1025px) {
    .payment-details-card {
        padding: 2rem 2.5rem 2rem 2.5rem;
        border-radius: 20px;
    }
    .payment-details-list li {
        font-size: 1.15rem;
    }
    .copy-btn {
        font-size: 1.1rem;
        padding: 0.3rem 0.8rem;
    }
    .agree-row {
        font-size: 1.1rem;
    }
}
.form-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
@media (min-width: 768px) {
    .form-row {
        flex-direction: row;
        gap: 2rem;
    }
    .form-row .form-group {
        flex: 1 1 0;
    }
}
.chatbot-open-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(90deg, #667eea, #00f2fe);
    color: #fff;
    border: none;
    box-shadow: 0 4px 16px 0 rgba(44,62,80,0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    transition: background 0.18s, box-shadow 0.18s;
}
.chatbot-open-btn:hover {
    background: linear-gradient(90deg, #4b2996, #00bcd4);
}
.chatbot-widget {
    position: fixed;
    bottom: 100px;
    right: 32px;
    width: 340px;
    max-width: 95vw;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 8px 32px 0 rgba(44,62,80,0.18);
    z-index: 10000;
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: fadeInUp 0.3s;
}
.chatbot-widget.open {
    display: flex;
}
.chatbot-header {
    background: linear-gradient(90deg, #667eea, #00f2fe);
    color: #fff;
    padding: 1rem 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.chatbot-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}
.chatbot-messages {
    padding: 1rem 1.2rem;
    height: 220px;
    max-height: 220px;
    overflow-y: auto;
    background: #f7f9fc;
    font-size: 1rem;
    color: #222;
    flex: 1 1 auto;
}
.chatbot-input-row {
    display: flex;
    align-items: center;
    padding: 0.7rem 1.2rem;
    background: #f7f9fc;
    border-top: 1px solid #e2e8f0;
}
#chatbotInput {
    flex: 1 1 auto;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    margin-right: 0.7rem;
}
#chatbotSendBtn {
    background: linear-gradient(90deg, #667eea, #00f2fe);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.18s;
}
#chatbotSendBtn:hover {
    background: linear-gradient(90deg, #4b2996, #00bcd4);
}
@media (max-width: 600px) {
    .chatbot-widget {
        right: 1vw;
        left: 1vw;
        bottom: 70px;
        width: 98vw;
        max-width: 98vw;
        border-radius: 10px;
    }
    .chatbot-open-btn {
        right: 2vw;
        bottom: 12px;
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
    .chatbot-header, .chatbot-messages, .chatbot-input-row {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    .chatbot-header {
        font-size: 1rem;
        padding-top: 0.7rem;
        padding-bottom: 0.7rem;
    }
    .chatbot-messages {
        font-size: 0.97rem;
        padding-top: 0.7rem;
        padding-bottom: 0.7rem;
        height: 160px;
        max-height: 160px;
    }
    .chatbot-input-row {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
    #chatbotInput {
        font-size: 1rem;
        padding: 0.5rem 0.7rem;
    }
    #chatbotSendBtn {
        font-size: 1rem;
        padding: 0.5rem 0.7rem;
    }
}
.contact-section {
    background: #fff;
    padding: 3rem 0 2.5rem 0;
    border-radius: 18px;
    box-shadow: 0 4px 24px 0 rgba(44,62,80,0.07);
    margin: 2.5rem auto 2rem auto;
    max-width: 600px;
}
.contact-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #6c47c7;
    margin-bottom: 2rem;
}
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.contact-row {
    display: flex;
    gap: 1.2rem;
}
.contact-row .form-group {
    flex: 1 1 0;
}
.contact-form .form-group label {
    font-weight: 600;
    color: #222;
    margin-bottom: 0.3rem;
    display: block;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    margin-top: 0.2rem;
    margin-bottom: 0.2rem;
    background: #f7f9fc;
    transition: border 0.18s;
}
.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #667eea;
    outline: none;
}
.contact-form button {
    align-self: flex-end;
    margin-top: 0.5rem;
}
@media (max-width: 700px) {
    .contact-section {
        padding: 2rem 0.5rem 1.5rem 0.5rem;
        border-radius: 12px;
        max-width: 98vw;
    }
    .contact-title {
        font-size: 1.3rem;
        margin-bottom: 1.2rem;
    }
    .contact-row {
        flex-direction: column;
        gap: 0.7rem;
    }
    .contact-form button {
        width: 100%;
        align-self: stretch;
    }
}
.back-home-btn {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 2px 8px 0 rgba(44,62,80,0.07);
    color: #222;
    font-weight: 600;
    font-size: 1.08rem;
    padding: 0.8rem 1.5rem;
    text-align: center;
    transition: background 0.18s, box-shadow 0.18s, color 0.18s;
    margin: 0 auto 1.2rem auto;
    display: block;
    max-width: 260px;
}
.back-home-btn:hover {
    background: #f0f6ff;
    color: #667eea;
    box-shadow: 0 4px 16px 0 rgba(102,126,234,0.13);
    border-color: #b3c6f7;
}
@media (max-width: 600px) {
    .back-home-btn {
        font-size: 1rem;
        padding: 0.7rem 1rem;
        border-radius: 9px;
        max-width: 98vw;
        margin-left: auto;
        margin-right: auto;
        display: block;
        width: fit-content;
        text-align: center;
    }
}