/* Light mode styling for Pricing Intelligence */

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

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

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

/* Navigation */
.navbar {
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
    padding: 1rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1a1a1a;
}

.navbar nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.navbar a {
    color: #555;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.navbar a:hover {
    color: #1a1a1a;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-large, .btn-login {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    font-weight: 500;
}

.btn-primary {
    background-color: #28a745;
    color: #fff !important;
}

.btn-primary:hover {
    background-color: #218838;
    color: #fff !important;
}

.btn-secondary {
    background-color: #e9ecef;
    color: #333;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background-color: #dee2e6;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-login {
    background-color: transparent;
    color: #1a1a1a;
    font-weight: 500;
}

.btn-login:hover {
    color: #28a745;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-bottom: 1px solid #e0e0e0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #666;
}

/* How it works */
.how-it-works {
    padding: 4rem 0;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background-color: #fff;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.step .icon {
    width: 3rem;
    height: 3rem;
    background-color: #28a745;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.step p {
    color: #666;
}

/* Features */
.features {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.feature {
    padding: 1.5rem;
    background-color: #fff;
    border-radius: 8px;
    border-left: 3px solid #28a745;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.feature h4 {
    margin-bottom: 0.5rem;
    color: #1a1a1a;
    font-weight: 600;
}

.feature p {
    color: #666;
    font-size: 0.9rem;
}

/* Pricing */
.pricing {
    padding: 4rem 0;
}

.pricing h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card:hover {
    border-color: #28a745;
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.1);
}

.card.highlighted {
    border-color: #28a745;
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.15);
}

.card h3 {
    color: #1a1a1a;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.card .price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #28a745;
    margin-bottom: 1.5rem;
}

.card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.card li {
    padding: 0.5rem 0;
    color: #555;
}

/* FAQ */
.faq {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.faq h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

.faq-items {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e0e0e0;
}

.faq-item h4 {
    color: #1a1a1a;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.faq-item p {
    color: #666;
}

/* CTA Section */
.cta {
    padding: 4rem 0;
    text-align: center;
    background-color: #28a745;
}

.cta h2 {
    color: #fff;
    margin-bottom: 1rem;
}

.cta p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}

.cta .btn-large {
    background-color: #fff;
    color: #28a745;
    font-weight: 700;
}

.cta .btn-large:hover {
    background-color: #f0f0f0;
}

/* Footer */
footer {
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    padding: 2rem 0;
    margin-top: 4rem;
}

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

footer p {
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
}

footer nav {
    display: flex;
    gap: 2rem;
}

footer a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
    font-weight: 500;
}

footer a:hover {
    color: #28a745;
}

/* Auth Container */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    background-color: #f8f9fa;
}

.auth-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 3rem;
    width: 100%;
    max-width: 560px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.auth-card h1 {
    color: #1a1a1a;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.auth-card > p {
    color: #666;
    margin-bottom: 2rem;
}

/* Forms */
.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0.75rem;
    color: #333;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #28a745;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.auth-link {
    text-align: center;
    color: #666;
    margin-top: 2rem;
    font-size: 0.9rem;
}

.auth-link a {
    color: #28a745;
    text-decoration: none;
    font-weight: 500;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Dashboard */
.dashboard-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
    background-color: #f8f9fa;
}

.sidebar {
    background-color: #fff;
    border-right: 1px solid #e0e0e0;
    padding: 2rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.sidebar .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 2rem;
    text-decoration: none;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #555;
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar a:hover {
    color: #1a1a1a;
    background-color: #f0f0f0;
}

.sidebar a.active {
    color: #28a745;
    background-color: #f0f0f0;
    border-left-color: #28a745;
}

.sidebar a.logout {
    margin-top: auto;
    color: #dc3545;
}

/* Dashboard Main */
.dashboard-main {
    display: flex;
    flex-direction: column;
}

.top-bar {
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar h2 {
    color: #1a1a1a;
}

.top-bar-info {
    display: flex;
    flex-direction: column;
}

.user-info {
    color: #999;
    font-size: 0.9rem;
}

.dashboard-content {
    padding: 2rem;
    flex: 1;
}

.dashboard-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid #e0e0e0;
}

.dashboard-card h3 {
    color: #28a745;
    margin-bottom: 1rem;
    font-weight: 600;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
}

.card h4 {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.big-text {
    font-size: 2rem;
    font-weight: bold;
    color: #28a745;
    margin-bottom: 0.5rem;
}

.card small {
    color: #999;
}

/* Admin */
.admin-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.admin-main {
    display: flex;
    flex-direction: column;
}

.admin-content {
    padding: 2rem;
    flex: 1;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left-color: #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left-color: #ffeaa7;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left-color: #bee5eb;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-container, .admin-container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .steps, .features-grid, .pricing-cards {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    footer .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}