:root {
    --bg-main: #121417;
    --bg-sidebar: #1a1d21;
    --bg-card: #1e2227;
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --primary: #3b82f6;
    --border: #2d333b;
    --hover: #2a2f36;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* SIDEBAR */
.sidebar {
    width: 240px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    letter-spacing: 2px;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 0.5rem;
    color: var(--text-muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.2s;
    cursor: pointer;
}

.nav-item:hover, .nav-item.active {
    background-color: var(--hover);
    color: var(--text-main);
}

.nav-item i { margin-right: 12px; }

/* MAIN CONTENT */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.date-filters {
    display: flex;
    gap: 10px;
    background: var(--bg-card);
    padding: 5px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.date-filters input {
    background: transparent;
    border: none;
    color: white;
    padding: 5px;
}

/* CARDS */
.grid-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.kpi-label { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.5rem; }
.kpi-value { font-size: 1.8rem; font-weight: 700; }

/* MODAL FILTROS */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--bg-sidebar);
    width: 800px;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border);
}

.filter-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.filter-group { margin-bottom: 1.5rem; }
.filter-group h4 { margin-bottom: 1rem; font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; }

.filter-options { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: white;
    padding: 6px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}