/* Pengaturan Dasar */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: #f5f6fa; color: #2d3436; }

.dashboard-container { display: flex; min-height: 100vh; }

/* --- SIDEBAR --- */
.sidebar {
    width: 260px;
    background-color: #ffffff;
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
    padding: 20px;
    display: flex;
    flex-direction: column;
}
.logo-area { text-align: center; margin-bottom: 40px; padding-top: 10px; }
.logo-img { width: 80px; margin-bottom: 10px; }
.logo-area h2 { color: #0984e3; font-size: 20px; letter-spacing: 1px; }

.nav-menu { list-style: none; }
.nav-menu li {
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    color: #636e72;
    transition: 0.3s;
}
.nav-menu li i { margin-right: 15px; width: 20px; text-align: center; }
.nav-menu li:hover { background-color: #f1f2f6; }
.nav-menu li.active { background-color: #0984e3; color: white; box-shadow: 0 4px 10px rgba(9, 132, 227, 0.3); }

/* --- KONTEN UTAMA --- */
.main-content { flex: 1; padding: 30px 40px; overflow-y: auto; }

/* Header */
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.header h1 { font-size: 28px; color: #2d3436; }
.subtitle { color: #b2bec3; font-size: 14px; margin-top: 5px; }
.date-box { background: white; padding: 10px 20px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); color: #636e72; font-weight: 500; }
.date-box i { margin-right: 8px; color: #0984e3; }

/* Grid Kotak Sensor */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.card {
    background: white; padding: 20px; border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    display: flex; align-items: center; transition: 0.3s;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 8px 25px rgba(0,0,0,0.08); }
.card-icon {
    width: 50px; height: 50px; border-radius: 12px;
    background-color: #e3f2fd; color: #0984e3;
    display: flex; justify-content: center; align-items: center; font-size: 24px; margin-right: 15px;
}
.card-data h4 { color: #b2bec3; font-size: 14px; font-weight: 500; margin-bottom: 5px; }
.card-data h2 { color: #2d3436; font-size: 24px; }

/* Grafik */
.chart-card {
    background: white; padding: 25px; border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03); width: 100%;
}
.chart-card h3 { margin-bottom: 20px; color: #2d3436; }
/* =========================================
   SISTEM PINDAH TAB
   ========================================= */
.konten-tab {
    display: none; /* Sembunyikan semua tab secara default */
    animation: fadeIn 0.5s; /* Efek transisi halus */
}

.konten-tab.aktif {
    display: block; /* Tampilkan hanya tab yang punya class 'aktif' */
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
/* =========================================
   RESPONSIF UNTUK LAYAR HP (MOBILE VIEW)
   ========================================= */
@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column; /* Mengubah susunan dari kiri-kanan menjadi atas-bawah */
    }

    /* 1. Menyesuaikan Sidebar menjadi Header Atas */
    .sidebar {
        width: 100%;
        padding: 15px;
    }

    /* 2. Merapikan Logo agar sejajar dengan teks */
    .logo-area {
        margin-bottom: 15px;
        padding-top: 0;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }
    .logo-img {
        width: 45px;
        margin-bottom: 0;
    }
    .logo-area h2 {
        font-size: 18px;
    }

    /* 3. Membuat tombol menu berjajar ke samping (kiri-kanan) */
    .nav-menu {
        display: flex;
        gap: 10px;
    }
    .nav-menu li {
        flex: 1; /* Membuat lebar tombol sama rata */
        margin-bottom: 0;
        padding: 10px;
        font-size: 14px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .nav-menu li i {
        margin-right: 8px;
    }

    /* 4. Menyesuaikan area konten agar tidak terlalu mepet */
    .main-content {
        padding: 15px;
    }
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .date-box {
        width: 100%;
        text-align: center;
    }
    .card-data h2 {
        font-size: 20px;
    }
}