/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

/* Variáveis de cores temáticas para cripto */
:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --accent-green: #10b981;
    --light-green: #34d399;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #f1f5f9;
    --shadow: rgba(0, 0, 0, 0.1);
    --border: #e2e8f0;
}

/* Estilos principais */

/* Frontend styles */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
}

header {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
    color: var(--text-light);
    padding: 1rem 0;
    box-shadow: 0 4px 6px var(--shadow);
    transition: all 0.3s ease;
}

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

.nav-container h1 a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.nav-container h1 a:hover {
    color: var(--light-green);
}

.nav-container ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-container li {
    margin-left: 1rem;
}

.nav-container a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-container a:hover {
    color: var(--light-green);
}

.language-switcher {
    margin-left: 1rem;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.posts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.post {
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 10px;
    background: white;
    box-shadow: 0 2px 4px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.post:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px var(--shadow);
}

.post h3 a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.post h3 a:hover {
    color: var(--accent-green);
}

.post-full {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px var(--shadow);
}

footer {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
    color: var(--text-light);
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
    box-shadow: 0 -4px 6px var(--shadow);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        text-align: center;
    }

    .nav-container ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .posts {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .post {
        padding: 1rem;
    }

    main {
        padding: 0 0.5rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.5rem 0;
    }

    .nav-container h1 {
        font-size: 1.2rem;
    }

    .nav-container li {
        margin-left: 0.5rem;
    }

    .post-full {
        padding: 1rem;
    }
}

/* Admin styles */
.admin-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--light-bg);
}

.admin-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
    color: var(--text-light);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px var(--shadow);
}

.admin-content {
    display: flex;
    flex: 1;
}

.admin-sidebar {
    width: 250px;
    background-color: white;
    padding: 1rem;
    box-shadow: 2px 0 4px var(--shadow);
    transition: width 0.3s ease;
}

.admin-sidebar ul {
    list-style: none;
    padding: 0;
}

.admin-sidebar li {
    margin-bottom: 1rem;
}

.admin-sidebar a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    display: block;
    padding: 0.5rem;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.admin-sidebar a:hover {
    background-color: var(--accent-green);
    color: white;
}

.admin-main {
    flex: 1;
    padding: 1rem;
    background-color: var(--light-bg);
}

.dashboard .stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.stat-card {
    border: 1px solid var(--border);
    padding: 1.5rem;
    flex: 1;
    min-width: 200px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 4px var(--shadow);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px var(--shadow);
}

th, td {
    border: 1px solid var(--border);
    padding: 0.75rem;
    text-align: left;
}

th {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-green));
    color: white;
    font-weight: 500;
}

form {
    margin-top: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px var(--shadow);
}

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

input, textarea, select {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-family: 'Roboto', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

/* Animações gerais */
* {
    box-sizing: border-box;
}

button, .btn {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-family: 'Roboto', sans-serif;
    font-weight: 500;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

button:hover, .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #ef4444);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #b91c1c, #dc2626);
}