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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--cor-texto);
    background-color: var(--cor-fundo);
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: var(--cor-branca);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--cor-branca);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--cor-branca);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-links a:hover {
    background-color: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: var(--cor-branca);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.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 1000 100" fill="%23ffffff" opacity="0.1"><polygon points="1000,100 1000,0 0,100"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-description {
    font-size: 1.3rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--cor-destaque);
    color: var(--cor-branca);
    box-shadow: 0 4px 15px rgba(229, 62, 62, 0.3);
}

.btn-primary:hover {
    background: #c53030;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 62, 62, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--cor-branca);
    border: 2px solid var(--cor-branca);
}

.btn-secondary:hover {
    background: var(--cor-branca);
    color: var(--cor-primaria);
    transform: translateY(-2px);
}

/* Blog Posts */
.blog-posts {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--cor-primaria);
    font-size: 2.5rem;
    font-weight: 700;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--cor-destaque);
    margin: 1rem auto;
    border-radius: 2px;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.post-card {
    background: var(--cor-branca);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.post-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
}

.post-content {
    padding: 2rem;
}

.post-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--cor-primaria);
    font-weight: 600;
    line-height: 1.4;
}

.post-excerpt {
    color: var(--cor-texto);
    margin-bottom: 1.5rem;
    line-height: 1.7;
    opacity: 0.8;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: #718096;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

/* Painel Administrativo */
.admin-panel {
    padding: 3rem 0;
    max-width: 1000px;
    margin: 0 auto;
}

.admin-section {
    background: var(--cor-branca);
    border-radius: 12px;
    padding: 2.5rem;
    margin-bottom: 2.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid #e2e8f0;
}

.admin-title {
    margin-bottom: 2rem;
    color: var(--cor-primaria);
    font-size: 1.5rem;
    font-weight: 600;
    border-bottom: 3px solid var(--cor-destaque);
    padding-bottom: 0.75rem;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--cor-primaria);
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--cor-branca);
}

.form-control:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

textarea.form-control {
    min-height: 200px;
    resize: vertical;
}

.btn-admin {
    background: var(--cor-primaria);
    color: var(--cor-branca);
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-admin:hover {
    background: var(--cor-secundaria);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 54, 93, 0.3);
}

.btn-danger {
    background: #e53e3e;
    color: var(--cor-branca);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    background: #c53030;
    transform: translateY(-1px);
}

.message {
    padding: 1.25rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    background-color: #c6f6d5;
    color: #22543d;
    border-left: 4px solid #38a169;
    font-weight: 500;
}

.message.error {
    background-color: #fed7d7;
    color: #c53030;
    border-left-color: #e53e3e;
}

.posts-list {
    list-style: none;
}

.post-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    transition: background-color 0.3s ease;
}

.post-item:hover {
    background-color: #f7fafc;
}

.post-item:last-child {
    border-bottom: none;
}

.post-actions {
    display: flex;
    gap: 0.75rem;
}

/* Login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    padding: 2rem;
}

.login-form {
    background: var(--cor-branca);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 450px;
}

.login-title {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--cor-primaria);
    font-size: 2rem;
    font-weight: 700;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: var(--cor-branca);
    text-align: center;
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

/* Responsividade */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-links {
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .post-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .post-actions {
        align-self: stretch;
        justify-content: flex-end;
    }
    
    .admin-section {
        padding: 1.5rem;
    }
    
    .login-form {
        padding: 2rem;
        margin: 1rem;
    }
}

/* Utilitários */
.text-center {
    text-align: center;
}

.mb-3 {
    margin-bottom: 2rem;
}

.mt-3 {
    margin-top: 2rem;
}

.no-posts {
    text-align: center;
    color: #718096;
    font-style: italic;
    padding: 3rem;
    background: var(--cor-branca);
    border-radius: 12px;
    border: 2px dashed #e2e8f0;
}