:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #0f172a;
    --accent-color: #38bdf8;
    --background-light: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #94a3b8;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--background-light);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a {
    margin-left: 2rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    color: var(--white);
    display: flex;
    align-items: center;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 600px;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #93c5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: #e2e8f0;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Features Section */
.features {
    padding: 5rem 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.section-title p {
    color: var(--text-light);
}

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

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
    border: 1px solid #f1f5f9;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: #eff6ff;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* LGPD Section */
.lgpd-section {
    padding: 4rem 5%;
    background: #f1f5f9;
    text-align: center;
}

.lgpd-content {
    max-width: 800px;
    margin: 0 auto;
}

.lgpd-badge {
    background: #dcfce7;
    color: #166534;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    display: inline-block;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Access Request */
.access-request {
    padding: 5rem 5%;
    background: var(--white);
    text-align: center;
}

.contact-box {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 1rem;
    color: var(--white);
}

.contact-email {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 700;
    margin: 1rem 0;
    display: block;
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 2rem 5%;
    text-align: center;
}

/* Login Form Styles (Embedded in page or separate) */
.login-container {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 6rem;
    }
    
    .hero-content {
        margin-bottom: 3rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--secondary-color);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    transition: all 0.3s;
    z-index: 100;
}

.sidebar-header {
    padding: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
    overflow-y: auto;
}

.menu-label {
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 0.5rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-light);
    transition: all 0.2s;
}

.sidebar-menu a:hover, 
.sidebar-menu a.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border-left: 3px solid var(--primary-color);
}

.sidebar-menu i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-footer a {
    color: #ef4444; /* Red for logout */
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    background: #f1f5f9;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--white);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 90;
}

.page-content {
    padding: 2rem;
}

.card {
    background: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e2e8f0;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f1f5f9;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--secondary-color);
}

/* Chat styles */
.chat-window {
    height: 500px;
    display: flex;
    flex-direction: column;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    background: #f8fafc;
}

.message {
    margin-bottom: 1rem;
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    font-size: 0.95rem;
}

.message.user {
    background: var(--primary-color);
    color: var(--white);
    align-self: flex-end;
    margin-left: auto;
    border-bottom-right-radius: 0.25rem;
}

.message.ai {
    background: var(--white);
    border: 1px solid #e2e8f0;
    color: var(--text-dark);
    align-self: flex-start;
    border-bottom-left-radius: 0.25rem;
}

.chat-input-area {
    padding: 1rem;
    background: var(--white);
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 0.5rem;
}

.chat-input-area input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}
.status-active { background: #dcfce7; color: #166534; }
.status-inactive { background: #fee2e2; color: #991b1b; }