:root {
    --bg-main: #0b0f19;
    --bg-card: #151d30;
    --accent: #06d6a0;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #222f4d;
    --error: #ff5964;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navbar */
header {
    border-bottom: 1px solid var(--border);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent);
    color: #000;
    padding: 10px 22px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.1s, opacity 0.2s;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--border);
}

/* Forms (Login/Register) */
.auth-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.auth-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.auth-card h2 {
    margin-bottom: 8px;
    font-size: 1.8rem;
}

.auth-card p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-group input {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: #fff;
    font-size: 1rem;
}

.form-group input:focus {
    border-color: var(--accent);
    outline: none;
}

.alert-error {
    background-color: rgba(255, 89, 100, 0.1);
    color: var(--error);
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 89, 100, 0.2);
}

/* Hero Section (Landing) */
.hero {
    text-align: center;
    padding: 100px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero .cta-group .btn {
    margin: 0 10px;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 12px;
}

.license-box {
    background-color: var(--bg-main);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 6px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.2rem;
    color: var(--accent);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}

.badge {
    background-color: rgba(6, 214, 160, 0.1);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.lang-picker {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
}

.lang-picker:focus {
    border-color: var(--accent);
}

/* Grid de Funcionalidades */
.features-section {
    padding: 80px 20px;
    text-align: center;
}

.features-section h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.features-section h2 span {
    color: var(--accent);
}

.features-section .subtitle {
    color: var(--text-muted);
    margin-bottom: 60px;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
    border-radius: 12px;
    text-align: left;
    transition: border-color 0.2s;
}

.feature-card:hover {
    border-color: var(--accent);
}

.feature-card .icon {
    font-size: 1.8rem;
    margin-bottom: 16px;
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Tabela de Comandos Rápidos */
.commands-section {
    padding: 60px 20px;
    background-color: rgba(21, 29, 48, 0.5);
    border-radius: 16px;
    border: 1px solid var(--border);
    margin: 40px auto;
    max-width: 900px;
}

.commands-section h2 {
    margin-bottom: 30px;
    text-align: center;
    font-size: 2rem;
}

.commands-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.commands-table th,
.commands-table td {
    padding: 14px;
    border-bottom: 1px solid var(--border);
}

.commands-table th {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.commands-table code {
    background-color: var(--bg-main);
    color: var(--accent);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 1rem;
}

/* Seção de Preços (Pricing) */
.pricing-section {
    padding: 80px 20px;
    text-align: center;
}

.pricing-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.pricing-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 16px;
    width: 100%;
    max-width: 360px;
    text-align: left;
    position: relative;
}

.pricing-card.premium {
    border-color: var(--accent);
}

.pricing-card .plan-badge {
    position: absolute;
    top: 20px;
    right: 20px;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 20px 0;
}

.pricing-card .price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 30px;
    line-height: 2.2;
    color: var(--text-muted);
}

.pricing-card ul li::before {
    content: "✓ ";
    color: var(--accent);
    font-weight: bold;
    margin-right: 8px;
}