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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

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

/* Cards e containers */
.card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 3rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.social-links {
    margin-top: 15px;
}

.social-links a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s;
    display: inline-block;
}

.social-links a:hover {
    transform: translateY(-3px);
    text-decoration: underline;
}

/* Botões */
.btn {
    display: inline-block;
    background: #764ba2;
    color: white;
    padding: 10px 25px;
    border-radius: 50px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-danger {
    background: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

input, textarea, select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
    transition: border 0.3s;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #764ba2;
}

button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

button:hover {
    transform: scale(1.02);
}

/* Alertas */
.alert {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Posts na timeline */
.post {
    background: #f9f9f9;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 5px solid #764ba2;
    transition: box-shadow 0.3s;
}

.post:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Dashboard nav */
.dashboard-nav {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.dashboard-nav a {
    background: white;
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    color: #764ba2;
    font-weight: bold;
    transition: all 0.3s;
}

.dashboard-nav a:hover {
    background: #764ba2;
    color: white;
}

/* Responsivo */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    .card {
        padding: 20px;
    }
    header h1 {
        font-size: 2rem;
    }
}