:root {
    --primary: #4b0082; 
    --secondary: #2e0854;
    --bg: #f4f2f7;
    --text: #1e293b;
    --white: #ffffff;
    --accent: #f3e8ff;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg);
    color: var(--text);
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: 280px 1fr 300px;
    gap: 20px;
}

header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 30px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    color: white;
    box-shadow: 0 4px 15px rgba(75, 0, 130, 0.2);
    position: relative;
}

.site-title-container {
    display: flex;
    flex-direction: column; 
    align-items: flex-start;
}

.site-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-title h3 {
    margin: 0;
    font-size: 1.8em;
    text-transform: lowercase;
}

.site-subtitle {
    font-size: 0.75em;
    opacity: 0.8;
    margin-left: 32px;
    font-weight: 400;
    margin-top: 5px;
}

.jabuticaba-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 0.6;
}
.jab-top { font-size: 0.6em; margin-bottom: 2px; }
.jab-bottom { display: flex; gap: 2px; font-size: 0.6em; }

.ad-header {
    width: 70%;
    height: 90px;
    background: rgba(255,255,255,0.1);
    border: 1px dashed rgba(255,255,255,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.8em;
    color: rgba(255,255,255,0.7);
}

/* Sidebars e Content */
.left-sidebar {
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.category-group { margin-bottom: 25px; }

.category-group h3 {
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #94a3b8;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.left-sidebar li a {
    text-decoration: none;
    color: var(--text);
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 0.95em;
}

.left-sidebar li a:hover {
    background-color: var(--accent);
    color: var(--primary);
    padding-left: 15px;
}

.left-sidebar li a i { width: 20px; text-align: center; color: var(--primary); }

.content { display: flex; flex-direction: column; gap: 20px; }

.tool-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-top: 5px solid var(--primary);
}

.tool-header { display: flex; align-items: center; gap: 20px; margin-bottom: 20px; }

.tool-icon-circle {
    width: 60px;
    height: 60px;
    background: var(--accent);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
}

.tool-info h2 { margin: 0; font-size: 1.4em; }
.tool-info p { margin: 5px 0 0; color: #64748b; }

.upload-area {
    border: 2px dashed #cbd5e1;
    padding: 40px;
    text-align: center;
    border-radius: 12px;
    background: #f8fafc;
    cursor: pointer;
    transition: border 0.3s;
}

.upload-area:hover { border-color: var(--primary); }

.upload-button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 15px;
    transition: transform 0.2s;
}

.upload-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(75, 0, 130, 0.3);
}

/* Ads */
.ad-box {
    background: #eee;
    border: 1px solid #ddd;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 8px;
    font-size: 0.8em;
    margin-top: 10px;
}

.ad-sidebar-right { width: 300px; height: 530px; margin: 20px auto 0; }
.ad-content { width: 100%; height:390px; }

footer {
    grid-column: 1 / -1;
    padding: 40px;
    text-align: center;
    background: var(--secondary);
    color: #f1f5f9;
    border-radius: 12px;
    margin-top: 20px;
}

footer a { text-decoration: none; color: white; transition: 0.3s; }
footer a:hover { opacity: 0.7; }

/* Responsivo */
@media (max-width: 1100px) {
    .container { grid-template-columns: 1fr; }
    .ad-header { display: none; }
}